[cig-commits] r11979 - in short/3D/PyLith/trunk: libsrc/bc libsrc/faults libsrc/feassemble libsrc/materials libsrc/meshio libsrc/topology libsrc/utils modulesrc/solver modulesrc/topology unittests/libtests/bc unittests/libtests/faults unittests/libtests/feassemble unittests/libtests/materials unittests/libtests/meshio unittests/libtests/topology

knepley at geodynamics.org knepley at geodynamics.org
Fri May 16 14:14:37 PDT 2008


Author: knepley
Date: 2008-05-16 14:14:36 -0700 (Fri, 16 May 2008)
New Revision: 11979

Modified:
   short/3D/PyLith/trunk/libsrc/bc/AbsorbingDampers.cc
   short/3D/PyLith/trunk/libsrc/bc/DirichletBoundary.cc
   short/3D/PyLith/trunk/libsrc/bc/DirichletPoints.cc
   short/3D/PyLith/trunk/libsrc/bc/Neumann.cc
   short/3D/PyLith/trunk/libsrc/faults/BruneSlipFn.cc
   short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.cc
   short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.hh
   short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveDyn.cc
   short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveKin.cc
   short/3D/PyLith/trunk/libsrc/feassemble/ElasticityExplicit.cc
   short/3D/PyLith/trunk/libsrc/feassemble/ElasticityImplicit.cc
   short/3D/PyLith/trunk/libsrc/feassemble/IntegratorElasticity.cc
   short/3D/PyLith/trunk/libsrc/feassemble/Quadrature.cc
   short/3D/PyLith/trunk/libsrc/materials/Material.cc
   short/3D/PyLith/trunk/libsrc/meshio/CellFilterAvg.cc
   short/3D/PyLith/trunk/libsrc/meshio/DataWriterVTK.cc
   short/3D/PyLith/trunk/libsrc/meshio/MeshIO.cc
   short/3D/PyLith/trunk/libsrc/meshio/OutputSolnSubset.cc
   short/3D/PyLith/trunk/libsrc/meshio/VertexFilterVecNorm.cc
   short/3D/PyLith/trunk/libsrc/topology/Distributor.cc
   short/3D/PyLith/trunk/libsrc/topology/FieldsManager.cc
   short/3D/PyLith/trunk/libsrc/utils/sievetypes.hh
   short/3D/PyLith/trunk/modulesrc/solver/solver.pyxe.src
   short/3D/PyLith/trunk/modulesrc/topology/topology.pyxe.src
   short/3D/PyLith/trunk/unittests/libtests/bc/TestAbsorbingDampers.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestBoundaryMesh.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundary.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundaryMulti.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPoints.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPointsMulti.cc
   short/3D/PyLith/trunk/unittests/libtests/bc/TestNeumann.cc
   short/3D/PyLith/trunk/unittests/libtests/faults/TestBoundary.cc
   short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesive.cc
   short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesiveKin.cc
   short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityExplicit.cc
   short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityImplicit.cc
   short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature.cc
   short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature0D.cc
   short/3D/PyLith/trunk/unittests/libtests/materials/TestElasticMaterial.cc
   short/3D/PyLith/trunk/unittests/libtests/materials/TestMaterial.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestCellFilterAvg.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTK.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMesh.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshHex8.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshQuad4.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTet4.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTri3.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestMeshIO.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputManager.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputSolnSubset.cc
   short/3D/PyLith/trunk/unittests/libtests/meshio/TestVertexFilterVecNorm.cc
   short/3D/PyLith/trunk/unittests/libtests/topology/TestFieldsManager.cc
Log:
Put in IMesh


Modified: short/3D/PyLith/trunk/libsrc/bc/AbsorbingDampers.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/bc/AbsorbingDampers.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/bc/AbsorbingDampers.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -58,8 +58,7 @@
 			     "a vector with 3 components.");
 
   // Extract submesh associated with boundary
-  _boundaryMesh = 
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(_label));
+  _boundaryMesh = ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(_label));
   if (_boundaryMesh.isNull()) {
     std::ostringstream msg;
     msg << "Could not construct boundary mesh for absorbing boundary "
@@ -87,14 +86,12 @@
   assert(!cells.isNull());
   const Mesh::label_sequence::iterator cellsBegin = cells->begin();
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
-  const ALE::Obj<sieve_type>& sieve = _boundaryMesh->getSieve();
   const int boundaryDepth = _boundaryMesh->depth()-1; // depth of bndry cells
-  assert(!sieve.isNull());
   for (Mesh::label_sequence::iterator c_iter=cellsBegin;
        c_iter != cellsEnd;
        ++c_iter) {
-    const int cellNumCorners = (_boundaryMesh->getDimension() > 0) ?
-      sieve->nCone(*c_iter, boundaryDepth)->size() : 1;
+    const int cellNumCorners = _boundaryMesh->getNumCellCorners(*c_iter, boundaryDepth);
+
     if (numCorners != cellNumCorners) {
       std::ostringstream msg;
       msg << "Quadrature is incompatible with cell for absorbing boundary "
@@ -116,6 +113,7 @@
   _dampingConsts = new real_section_type(_boundaryMesh->comm(), 
 					 _boundaryMesh->debug());
   assert(!_dampingConsts.isNull());
+  _dampingConsts->setChart(real_section_type::chart_type(*std::min_element(cells->begin(), cells->end()), *std::max_element(cells->begin(), cells->end())+1));
   _dampingConsts->setFiberDimension(cells, fiberDim);
   _boundaryMesh->allocate(_dampingConsts);
 
@@ -315,7 +313,7 @@
   assert(0 != jacobian);
   assert(0 != fields);
   assert(!mesh.isNull());
-
+  typedef ALE::ISieveVisitor::IndicesVisitor<Mesh::real_section_type,Mesh::order_type,PetscInt> visitor_type;
   PetscErrorCode err = 0;
 
   // Get cell information
@@ -350,6 +348,10 @@
   // Allocate vector for cell values (if necessary)
   _initCellMatrix();
 
+  const ALE::Obj<Mesh::order_type>& globalOrder = mesh->getFactory()->getGlobalOrder(mesh, "default", dispT);
+  assert(!globalOrder.isNull());
+  visitor_type iV(*dispT, *globalOrder, (int) pow(_boundaryMesh->getSieve()->getMaxConeSize(), _boundaryMesh->depth()));
+
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter) {
@@ -388,13 +390,10 @@
     PetscLogFlops(numQuadPts*(3+numBasis*(1+numBasis*(1+2*spaceDim))));
     
     // Assemble cell contribution into PETSc Matrix
-    const ALE::Obj<Mesh::order_type>& globalOrder = 
-      mesh->getFactory()->getGlobalOrder(mesh, "default", dispT);
-    assert(!globalOrder.isNull());
-    err = updateOperator(*jacobian, _boundaryMesh, dispT, globalOrder,
-			 *c_iter, _cellMatrix, ADD_VALUES);
+    err = updateOperator(*jacobian, *_boundaryMesh->getSieve(), iV, *c_iter, _cellMatrix, ADD_VALUES);
     if (err)
       throw std::runtime_error("Update to PETSc Mat failed.");
+    iV.clear();
   } // for
 
   _needNewJacobian = false;

Modified: short/3D/PyLith/trunk/libsrc/bc/DirichletBoundary.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/bc/DirichletBoundary.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/bc/DirichletBoundary.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -59,7 +59,7 @@
 
   // Extract submesh associated with boundary
   _boundaryMesh = 
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(_label));
+    ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(_label));
   if (_boundaryMesh.isNull()) {
     std::ostringstream msg;
     msg << "Could not construct boundary mesh for Dirichlet boundary "
@@ -100,6 +100,7 @@
 				  _boundaryMesh->debug());
   _values->addSpace(); // initial values
   _values->addSpace(); // rate of change of values
+  _values->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _values->setFiberDimension(vertices, 2*numFixedDOF);
   _values->setFiberDimension(vertices, numFixedDOF, 0); // initial values
   _values->setFiberDimension(vertices, numFixedDOF, 1); // rate of change
@@ -161,6 +162,7 @@
 
   _offsetLocal = new int_section_type(_boundaryMesh->comm(), 
 				      _boundaryMesh->debug());
+  _offsetLocal->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _offsetLocal->setFiberDimension(vertices, 1);
   _boundaryMesh->allocate(_offsetLocal);
 

Modified: short/3D/PyLith/trunk/libsrc/bc/DirichletPoints.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/bc/DirichletPoints.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/bc/DirichletPoints.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -63,13 +63,13 @@
   } // if
   assert(!groupField.isNull());
   const int_section_type::chart_type& chart = groupField->getChart();
-  const int numPoints = chart.size();
+  const int numPoints = groupField->size();
   _points.resize(numPoints);
   int i = 0;
-  for(int_section_type::chart_type::iterator c_iter = chart.begin();
+  for(int_section_type::chart_type::const_iterator c_iter = chart.begin();
       c_iter != chart.end();
       ++c_iter) {
-    _points[i++] = *c_iter;
+    if (groupField->getFiberDimension(*c_iter)) _points[i++] = *c_iter;
   }
 
   // Get values for degrees of freedom

Modified: short/3D/PyLith/trunk/libsrc/bc/Neumann.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/bc/Neumann.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/bc/Neumann.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -60,7 +60,7 @@
 
   // Extract submesh associated with surface
   _boundaryMesh =
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(_label));
+    ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(_label));
   if (_boundaryMesh.isNull()) {
     std::ostringstream msg;
     msg << "Could not construct boundary mesh for Neumann traction "
@@ -93,16 +93,13 @@
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
   // std::cout << "cellsBegin:  " << *cellsBegin << std::endl;
   // std::cout << "cellsEnd:  " << *cellsEnd << std::endl;
-  const ALE::Obj<sieve_type>& sieve = _boundaryMesh->getSieve();
   const int boundaryDepth = _boundaryMesh->depth()-1;  //depth of boundary cells
-  assert(!sieve.isNull());
 
   // Make sure surface cells are compatible with quadrature.
   for (Mesh::label_sequence::iterator c_iter=cellsBegin;
        c_iter != cellsEnd;
        ++c_iter) {
-    const int cellNumCorners = (_boundaryMesh->getDimension() > 0) ?
-      sieve->nCone(*c_iter, boundaryDepth)->size() : 1;
+    const int cellNumCorners = _boundaryMesh->getNumCellCorners(*c_iter, boundaryDepth);
     if (numCorners != cellNumCorners) {
       std::ostringstream msg;
       msg << "Quadrature is incompatible with cell for Neumann traction "
@@ -123,6 +120,7 @@
   _tractions = new real_section_type(_boundaryMesh->comm(),
 				     _boundaryMesh->debug());
   assert(!_tractions.isNull());
+  _tractions->setChart(real_section_type::chart_type(*std::min_element(cells->begin(), cells->end()), *std::max_element(cells->begin(), cells->end())+1));
   _tractions->setFiberDimension(cells, fiberDim);
   _boundaryMesh->allocate(_tractions);
 

Modified: short/3D/PyLith/trunk/libsrc/faults/BruneSlipFn.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/faults/BruneSlipFn.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/faults/BruneSlipFn.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -81,6 +81,7 @@
   _parameters->addSpace(); // peak slip rate
   _parameters->addSpace(); // slip time
   assert(3 == _parameters->getNumSpaces());
+  _parameters->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _parameters->setFiberDimension(vertices, fiberDim);
   _parameters->setFiberDimension(vertices, spaceDim, 0); // final slip
   _parameters->setFiberDimension(vertices, 1, 1); // peak slip rate
@@ -178,6 +179,7 @@
 
   // Allocate slip field
   _slip = new real_section_type(faultMesh->comm(), faultMesh->debug());
+  _slip->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _slip->setFiberDimension(vertices, spaceDim);
   faultMesh->allocate(_slip);
   assert(!_slip.isNull());

Modified: short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -21,23 +21,26 @@
 
 // ----------------------------------------------------------------------
 void
-pylith::faults::CohesiveTopology::create(ALE::Obj<Mesh>* fault,
+pylith::faults::CohesiveTopology::create(ALE::Obj<Mesh>* ifault,
 					 const ALE::Obj<Mesh>& mesh,
 					 const ALE::Obj<Mesh::int_section_type>& groupField,
 					 const int materialId,
 					 const bool constraintCell)
 { // create
-  assert(0 != fault);
+  assert(0 != ifault);
 
-  typedef ALE::SieveAlg<Mesh>                    sieveAlg;
-  typedef ALE::Selection<Mesh>                   selection;
+  typedef ALE::SieveAlg<ALE::Mesh>  sieveAlg;
+  typedef ALE::Selection<ALE::Mesh> selection;
 
   const int_section_type::chart_type& chart = groupField->getChart();
   PointSet faultVertices; // Vertices on fault
   const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
-  *fault = new Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
-  const ALE::Obj<sieve_type> faultSieve = new sieve_type(sieve->comm(), 
-                                                         sieve->debug());
+  *ifault = new Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
+  const ALE::Obj<Mesh::sieve_type> ifaultSieve = new Mesh::sieve_type(sieve->comm(), 
+                                                                      sieve->debug());
+  ALE::Obj<ALE::Mesh> fault = new ALE::Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
+  ALE::Obj<ALE::Mesh::sieve_type> faultSieve = new ALE::Mesh::sieve_type(sieve->comm(), 
+                                                                         sieve->debug());
   const int  depth      = mesh->depth();
   const int  numCells   = mesh->heightStratum(0)->size();
   int        numCorners = 0;    // The number of vertices in a mesh cell
@@ -48,31 +51,29 @@
   PointArray faceVertices;
   PointArray neighborVertices;
 
-  if (!(*fault)->commRank()) {
-    numCorners = sieve->nCone(*mesh->heightStratum(0)->begin(), depth)->size();
+  if (!fault->commRank()) {
+    numCorners = mesh->getNumCellCorners();
     faceSize   = selection::numFaceVertices(mesh);
     indices    = new int[faceSize];
   }
 
   // Create set with vertices on fault
-  for(int_section_type::chart_type::iterator c_iter = chart.begin();
-      c_iter != chart.end();
-      ++c_iter) {
+  for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
     assert(!mesh->depth(*c_iter));
-    faultVertices.insert(*c_iter);
+    if (groupField->getFiberDimension(*c_iter)) {faultVertices.insert(*c_iter);}
   } // for
 
   const PointSet::const_iterator fvBegin = faultVertices.begin();
   const PointSet::const_iterator fvEnd   = faultVertices.end();
 
-  int f = sieve->base()->size() + sieve->cap()->size();
+  int f     = sieve->getBaseSize() + sieve->getCapSize();
   int debug = mesh->debug();
   ALE::Obj<PointSet> face = new PointSet();
   PointSet faultCells;
   
   // Create a sieve which captures the fault
-  const int fDim = (*fault)->getDimension();
-  const Obj<Mesh::arrow_section_type>& orientation = (*fault)->getArrowSection("orientation");
+  const int fDim = fault->getDimension();
+  const Obj<Mesh::arrow_section_type>& orientation = fault->getArrowSection("orientation");
   std::map<int,int*>        curElement;
   std::map<int,PointArray>  bdVertices;
   std::map<int,PointArray>  faultFaces;
@@ -88,39 +89,36 @@
     curElement[d] = &newElement;
   }
 
+  // This only works for uninterpolated meshes
+  assert(mesh->depth() == 1);
+  ALE::ISieveVisitor::PointRetriever<sieve_type> sV(sieve->getMaxSupportSize());
+  ALE::ISieveVisitor::PointRetriever<sieve_type> cV(sieve->getMaxConeSize());
   for(PointSet::const_iterator fv_iter = fvBegin; fv_iter != fvEnd; ++fv_iter) {
-    const ALE::Obj<sieveAlg::supportArray>& cells =
-      sieveAlg::nSupport(mesh, *fv_iter, depth);
-    const sieveAlg::supportArray::iterator cBegin = cells->begin();
-    const sieveAlg::supportArray::iterator cEnd   = cells->end();
-    
-    if (debug)
-      std::cout << "Checking fault vertex " << *fv_iter << std::endl;
-    for(sieveAlg::supportArray::iterator c_iter = cBegin;
-        c_iter != cEnd;
-        ++c_iter) {
-      if (debug) std::cout << "  Checking cell " << *c_iter << std::endl;
-      if (faultCells.find(*c_iter) != faultCells.end())	continue;
-      const ALE::Obj<sieveAlg::coneArray>& cone =
-        sieveAlg::nCone(mesh, *c_iter, mesh->height());
-      const sieveAlg::coneArray::iterator vBegin = cone->begin();
-      const sieveAlg::coneArray::iterator vEnd   = cone->end();
+    sieve->support(*fv_iter, sV);
+    const Mesh::point_type *support = sV.getPoints();
 
+    if (debug) std::cout << "Checking fault vertex " << *fv_iter << std::endl;
+    for(int s = 0; s < sV.getSize(); ++s) {
+      sieve->cone(support[s], cV);
+      const Mesh::point_type *cone = cV.getPoints();
+
+      if (debug) std::cout << "  Checking cell " << support[s] << std::endl;
+      if (faultCells.find(support[s]) != faultCells.end()) {
+        cV.clear();
+        continue;
+      }
       face->clear();
-      for(sieveAlg::coneArray::iterator v_iter = vBegin;
-          v_iter != vEnd;
-          ++v_iter) {
-        if (faultVertices.find(*v_iter) != fvEnd) {
-          if (debug) std::cout << "    contains fault vertex " << *v_iter << std::endl;
-          face->insert(face->end(), *v_iter);
+      for(int c = 0; c < cV.getSize(); ++c) {
+        if (faultVertices.find(cone[c]) != fvEnd) {
+          if (debug) std::cout << "    contains fault vertex " << cone[c] << std::endl;
+          face->insert(face->end(), cone[c]);
         } // if
       } // for
       if (face->size() > faceSize)
         throw ALE::Exception("Invalid fault mesh: Too many vertices of an "
                              "element on the fault");
       if (face->size() == faceSize) {
-        if (debug)
-          std::cout << "  Contains a face on the fault" << std::endl;
+        if (debug) std::cout << "  Contains a face on the fault" << std::endl;
         ALE::Obj<sieve_type::supportSet> preFace;
         if (fDim < 2) {
           preFace = faultSieve->nJoin1(face);
@@ -129,18 +127,17 @@
         }
 
         if (preFace->size() > 1) {
-          throw ALE::Exception("Invalid fault sieve: Multiple faces from "
-                               "vertex set");
+          throw ALE::Exception("Invalid fault sieve: Multiple faces from vertex set");
         } else if (preFace->size() == 1) {
           // Add the other cell neighbor for this face
           if (fDim == 0) {
-            faultSieve->addArrow(*faceVertices.begin(), *c_iter);
+            faultSieve->addArrow(*faceVertices.begin(), support[s]);
           } else {
-            faultSieve->addArrow(*preFace->begin(), *c_iter);
+            faultSieve->addArrow(*preFace->begin(), support[s]);
           }
         } else if (preFace->size() == 0) {
           if (debug) std::cout << "  Orienting face " << f << std::endl;
-          selection::getOrientedFace(mesh, *c_iter, face, numCorners, indices, &origVertices, &faceVertices);
+          selection::getOrientedFace(mesh, support[s], face, numCorners, indices, &origVertices, &faceVertices);
           bdVertices[fDim].clear();
           for(PointArray::const_iterator v_iter = faceVertices.begin(); v_iter != faceVertices.end(); ++v_iter) {
             bdVertices[fDim].push_back(*v_iter);
@@ -151,32 +148,34 @@
           }
           if (faceSize != fDim+1) {
             if (debug) std::cout << "  Adding hex face " << f << std::endl;
-            ALE::SieveBuilder<Mesh>::buildHexFaces(faultSieve, orientation, fDim, curElement, bdVertices, oFaultFaces, f, o);
+            ALE::SieveBuilder<ALE::Mesh>::buildHexFaces(faultSieve, orientation, fDim, curElement, bdVertices, oFaultFaces, f, o);
           } else {
             if (debug) std::cout << "  Adding simplicial face " << f << std::endl;
-            ALE::SieveBuilder<Mesh>::buildFaces(faultSieve, orientation, fDim, curElement, bdVertices, oFaultFaces, f, o);
+            ALE::SieveBuilder<ALE::Mesh>::buildFaces(faultSieve, orientation, fDim, curElement, bdVertices, oFaultFaces, f, o);
           }
-          faultSieve->addArrow(f, *c_iter);
+          faultSieve->addArrow(f, support[s]);
           //faultSieve->view("");
           f++;
         } // if/else
-        faultCells.insert(*c_iter);
+        faultCells.insert(support[s]);
       } // if
+      cV.clear();
     } // for
+    sV.clear();
   } // for
-  (*fault)->setSieve(faultSieve);
-  (*fault)->stratify();
+  fault->setSieve(faultSieve);
+  fault->stratify();
   faultCells.clear();
-  if (debug) (*fault)->view("Fault mesh");
-  const ALE::Obj<Mesh> faultBd = ALE::Selection<Mesh>::boundary(*fault);
+  if (debug) fault->view("Fault mesh");
+  const ALE::Obj<ALE::Mesh> faultBd = ALE::Selection<ALE::Mesh>::boundary(fault);
   if (debug) faultBd->view("Fault boundary mesh");
 
   // Orient the fault sieve
   // Must check the orientation here
-  const Mesh::point_type firstFaultCell = *(*fault)->heightStratum(1)->begin();
-  const ALE::Obj<Mesh::label_sequence>& fFaces = (*fault)->heightStratum(2);
+  const Mesh::point_type firstFaultCell = *fault->heightStratum(1)->begin();
+  const ALE::Obj<Mesh::label_sequence>& fFaces = fault->heightStratum(2);
   const int              numFaultFaces  = fFaces->size();
-  int faultDepth      = (*fault)->depth()-1; // Depth of fault cells
+  int faultDepth      = fault->depth()-1; // Depth of fault cells
   int numFaultCorners = 0; // The number of vertices in a fault cell
   int faultFaceSize   = 0; // The number of vertices in a face between fault cells
   PointSet flippedCells;   // Incorrectly oriented fault cells
@@ -185,7 +184,7 @@
   Obj<PointSet> newCells  = new PointSet();
   Obj<PointSet> loopCells = new PointSet();
 
-  if (!(*fault)->commRank()) {
+  if (!fault->commRank()) {
     numFaultCorners = faultSieve->nCone(firstFaultCell, faultDepth)->size();
     if (debug) std::cout << "  Fault corners " << numFaultCorners << std::endl;
     if (fDim == 0) {
@@ -210,21 +209,21 @@
     // Loop over new cells
     for(PointSet::iterator c_iter = loopCells->begin(); c_iter != loopCells->end(); ++c_iter) {
       // Loop over edges of this cell
-      const Obj<sieve_type::traits::coneSequence>&     cone   = faultSieve->cone(*c_iter);
-      const sieve_type::traits::coneSequence::iterator eBegin = cone->begin();
-      const sieve_type::traits::coneSequence::iterator eEnd   = cone->end();
+      const Obj<ALE::Mesh::sieve_type::traits::coneSequence>&     cone   = faultSieve->cone(*c_iter);
+      const ALE::Mesh::sieve_type::traits::coneSequence::iterator eBegin = cone->begin();
+      const ALE::Mesh::sieve_type::traits::coneSequence::iterator eEnd   = cone->end();
 
-      for(sieve_type::traits::coneSequence::iterator e_iter = eBegin; e_iter != eEnd; ++e_iter) {
+      for(ALE::Mesh::sieve_type::traits::coneSequence::iterator e_iter = eBegin; e_iter != eEnd; ++e_iter) {
         if (facesSeen.find(*e_iter) != facesSeen.end()) continue;
         facesSeen.insert(*e_iter);
         if (debug) std::cout << "  Checking orientation of fault face " << *e_iter << std::endl;
-        const Obj<sieve_type::traits::supportSequence>& support = faultSieve->support(*e_iter);
-        sieve_type::traits::supportSequence::iterator   s_iter  = support->begin();
+        const Obj<ALE::Mesh::sieve_type::traits::supportSequence>& support = faultSieve->support(*e_iter);
+        ALE::Mesh::sieve_type::traits::supportSequence::iterator   s_iter  = support->begin();
 
         // Throw out boundary fault faces
         if (support->size() < 2) continue;
-        Mesh::point_type cellA = *s_iter; ++s_iter;
-        Mesh::point_type cellB = *s_iter;
+        ALE::Mesh::point_type cellA = *s_iter; ++s_iter;
+        ALE::Mesh::point_type cellB = *s_iter;
         bool flippedA = (flippedCells.find(cellA) != flippedCells.end());
         bool flippedB = (flippedCells.find(cellB) != flippedCells.end());
         bool seenA    = (cellsSeen.find(cellA) != cellsSeen.end());
@@ -235,10 +234,10 @@
         if (debug) std::cout << "    neighboring cells " << cellA << " and " << cellB << std::endl;
         // In 1D, just check that vertices match
         if (fDim == 1) {
-          const Obj<sieve_type::traits::coneSequence>& coneA = faultSieve->cone(cellA);
-          sieve_type::traits::coneSequence::iterator   iterA = coneA->begin();
-          const Obj<sieve_type::traits::coneSequence>& coneB = faultSieve->cone(cellB);
-          sieve_type::traits::coneSequence::iterator   iterB = coneB->begin();
+          const Obj<ALE::Mesh::sieve_type::traits::coneSequence>& coneA = faultSieve->cone(cellA);
+          ALE::Mesh::sieve_type::traits::coneSequence::iterator   iterA = coneA->begin();
+          const Obj<ALE::Mesh::sieve_type::traits::coneSequence>& coneB = faultSieve->cone(cellB);
+          ALE::Mesh::sieve_type::traits::coneSequence::iterator   iterB = coneB->begin();
           int posA, posB;
 
           for(posA = 0; posA < 2; ++posA, ++iterA) if (*iterA == *e_iter) break;
@@ -262,9 +261,9 @@
           }
         } else if (fDim == 2) {
           // Check orientation
-          ALE::MinimalArrow<sieve_type::point_type,sieve_type::point_type> arrowA(*e_iter, cellA);
+          ALE::MinimalArrow<ALE::Mesh::sieve_type::point_type,ALE::Mesh::sieve_type::point_type> arrowA(*e_iter, cellA);
           const int oA = orientation->restrictPoint(arrowA)[0];
-          ALE::MinimalArrow<sieve_type::point_type,sieve_type::point_type> arrowB(*e_iter, cellB);
+          ALE::MinimalArrow<ALE::Mesh::sieve_type::point_type,ALE::Mesh::sieve_type::point_type> arrowB(*e_iter, cellB);
           const int oB = orientation->restrictPoint(arrowB)[0];
           const bool mismatch = (oA == oB);
 
@@ -302,8 +301,8 @@
   for(PointSet::const_iterator f_iter = flippedCells.begin(); f_iter != flippedCells.end(); ++f_iter) {
     if (debug) std::cout << "  Reversing fault face " << *f_iter << std::endl;
     faceVertices.clear();
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = faultSieve->cone(*f_iter);
-    for(sieve_type::traits::coneSequence::iterator v_iter = cone->begin(); v_iter != cone->end(); ++v_iter) {
+    const ALE::Obj<ALE::Mesh::sieve_type::traits::coneSequence>& cone = faultSieve->cone(*f_iter);
+    for(ALE::Mesh::sieve_type::traits::coneSequence::iterator v_iter = cone->begin(); v_iter != cone->end(); ++v_iter) {
       faceVertices.insert(faceVertices.begin(), *v_iter);
     }
     faultSieve->clearCone(*f_iter);
@@ -315,7 +314,7 @@
     if (fDim > 1) {
       // Here, they are edges, not vertices
       for(PointArray::const_iterator e_iter = faceVertices.begin(); e_iter != faceVertices.end(); ++e_iter) {
-        ALE::MinimalArrow<sieve_type::point_type,sieve_type::point_type> arrow(*e_iter, *f_iter);
+        ALE::MinimalArrow<ALE::Mesh::sieve_type::point_type,ALE::Mesh::sieve_type::point_type> arrow(*e_iter, *f_iter);
         int o = orientation->restrictPoint(arrow)[0];
 
         if (debug) std::cout << "    Reversing orientation of " << *e_iter <<"-->"<<*f_iter << " from " << o << " to " << -(o+1) << std::endl;
@@ -325,24 +324,24 @@
     }
   }
   flippedCells.clear();
-  for(Mesh::label_sequence::iterator e_iter = fFaces->begin(); e_iter != fFaces->end(); ++e_iter) {
+  for(ALE::Mesh::label_sequence::iterator e_iter = fFaces->begin(); e_iter != fFaces->end(); ++e_iter) {
     if (debug) std::cout << "  Checking orientation of fault face " << *e_iter << std::endl;
     // for each face get the support (2 fault cells)
-    const Obj<sieve_type::traits::supportSequence>& support = faultSieve->support(*e_iter);
-    sieve_type::traits::supportSequence::iterator   s_iter  = support->begin();
+    const Obj<ALE::Mesh::sieve_type::traits::supportSequence>& support = faultSieve->support(*e_iter);
+    ALE::Mesh::sieve_type::traits::supportSequence::iterator   s_iter  = support->begin();
 
     // Throw out boundary fault faces
     if (support->size() > 1) {
-      Mesh::point_type cellA = *s_iter; ++s_iter;
-      Mesh::point_type cellB = *s_iter;
+      ALE::Mesh::point_type cellA = *s_iter; ++s_iter;
+      ALE::Mesh::point_type cellB = *s_iter;
 
       if (debug) std::cout << "    neighboring cells " << cellA << " and " << cellB << std::endl;
       // In 1D, just check that vertices match
       if (fDim == 1) {
-        const Obj<sieve_type::traits::coneSequence>& coneA = faultSieve->cone(cellA);
-        sieve_type::traits::coneSequence::iterator   iterA = coneA->begin();
-        const Obj<sieve_type::traits::coneSequence>& coneB = faultSieve->cone(cellB);
-        sieve_type::traits::coneSequence::iterator   iterB = coneB->begin();
+        const Obj<ALE::Mesh::sieve_type::traits::coneSequence>& coneA = faultSieve->cone(cellA);
+        ALE::Mesh::sieve_type::traits::coneSequence::iterator   iterA = coneA->begin();
+        const Obj<ALE::Mesh::sieve_type::traits::coneSequence>& coneB = faultSieve->cone(cellB);
+        ALE::Mesh::sieve_type::traits::coneSequence::iterator   iterB = coneB->begin();
         int posA, posB;
 
         for(posA = 0; posA < 2; ++posA, ++iterA) if (*iterA == *e_iter) break;
@@ -356,9 +355,9 @@
         }
       } else {
         // Check orientation
-        ALE::MinimalArrow<sieve_type::point_type,sieve_type::point_type> arrowA(*e_iter, cellA);
+        ALE::MinimalArrow<ALE::Mesh::sieve_type::point_type,ALE::Mesh::sieve_type::point_type> arrowA(*e_iter, cellA);
         const int oA = orientation->restrictPoint(arrowA)[0];
-        ALE::MinimalArrow<sieve_type::point_type,sieve_type::point_type> arrowB(*e_iter, cellB);
+        ALE::MinimalArrow<ALE::Mesh::sieve_type::point_type,ALE::Mesh::sieve_type::point_type> arrowB(*e_iter, cellB);
         const int oB = orientation->restrictPoint(arrowB)[0];
 
         if (oA == oB) {
@@ -369,23 +368,31 @@
       }
     }
   }
-  if (debug) (*fault)->view("Oriented Fault mesh");
+  if (debug) fault->view("Oriented Fault mesh");
 
+  // Convert fault to an IMesh
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  (*ifault)->setSieve(ifaultSieve);
+  ALE::ISieveConverter::convertMesh(*fault, *(*ifault), renumbering, false);
+  fault->view("Old fault mesh");
+  (*ifault)->view("New fault mesh");
+  renumbering.clear();
+  fault      = NULL;
+  faultSieve = NULL;
+
   // Add new shadow vertices and possibly Lagrange multipler vertices
-  const ALE::Obj<Mesh::label_sequence>& fVertices = (*fault)->depthStratum(0);
+  const ALE::Obj<Mesh::label_sequence>& fVertices = (*ifault)->depthStratum(0);
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
   const ALE::Obj<std::set<std::string> >& groupNames = mesh->getIntSections();
-  Mesh::point_type newPoint = sieve->base()->size() + sieve->cap()->size();
+  Mesh::point_type newPoint = sieve->getBaseSize() + sieve->getCapSize();
   const int        numFaultVertices = fVertices->size();
-  std::map<int,int> vertexRenumber;
+  std::map<Mesh::point_type,Mesh::point_type> vertexRenumber;
+  std::map<Mesh::point_type,Mesh::point_type> cellRenumber;
 
-  for(Mesh::label_sequence::iterator v_iter = fVertices->begin();
-      v_iter != fVertices->end();
-      ++v_iter, ++newPoint) {
+  // I know how to fix
+  for(Mesh::label_sequence::iterator v_iter = fVertices->begin(); v_iter != fVertices->end(); ++v_iter, ++newPoint) {
     vertexRenumber[*v_iter] = newPoint;
-    if (debug) 
-      std::cout << "Duplicating " << *v_iter << " to "
-		<< vertexRenumber[*v_iter] << std::endl;
+    if (debug) std::cout << "Duplicating " << *v_iter << " to " << vertexRenumber[*v_iter] << std::endl;
 
     // Add shadow and constraint vertices (if they exist) to group
     // associated with fault
@@ -399,7 +406,7 @@
     for(std::set<std::string>::const_iterator name = groupNames->begin();
        name != groupNames->end(); ++name) {
       const ALE::Obj<int_section_type>& group = mesh->getIntSection(*name);
-      if (group->hasPoint(*v_iter))
+      if (group->getFiberDimension(*v_iter))
         group->addPoint(newPoint, 1);
     } // for
   } // for
@@ -410,40 +417,45 @@
   if (constraintCell) newPoint += numFaultVertices;
 
   // Split the mesh along the fault sieve and create cohesive elements
-  const ALE::Obj<Mesh::label_sequence>& faces = (*fault)->heightStratum(1);
+  const ALE::Obj<Mesh::label_sequence>& faces = (*ifault)->heightStratum(1);
   const ALE::Obj<Mesh::label_type>& material = mesh->getLabel("material-id");
   const int firstCohesiveCell = newPoint;
   PointSet replaceCells;
   PointSet noReplaceCells;
   PointSet replaceVertices;
+  ALE::ISieveVisitor::PointRetriever<sieve_type> sV2(ifaultSieve->getMaxSupportSize());
+  ALE::ISieveVisitor::NConeRetriever<sieve_type> cV2(*ifaultSieve, (size_t) pow(ifaultSieve->getMaxConeSize(), (*ifault)->depth()));
 
-  for(Mesh::label_sequence::iterator f_iter = faces->begin();
-      f_iter != faces->end(); ++f_iter, ++newPoint) {
-    if (debug) std::cout << "Considering fault face " << *f_iter << std::endl;
-    const ALE::Obj<sieve_type::traits::supportSequence>& cells =
-      faultSieve->support(*f_iter);
-    Mesh::point_type cell = *cells->begin();
+  for(Mesh::label_sequence::iterator f_iter = faces->begin(); f_iter != faces->end(); ++f_iter, ++newPoint) {
+    const Mesh::point_type face = *f_iter;
+    if (debug) std::cout << "Considering fault face " << face << std::endl;
+    ifaultSieve->support(face, sV2);
+    const Mesh::point_type *cells = sV2.getPoints();
+    Mesh::point_type cell = cells[0];
     Mesh::point_type otherCell;
 
     if (debug) std::cout << "  Checking orientation against cell " << cell << std::endl;
     selection::getOrientedFace(mesh, cell, &vertexRenumber, numCorners, indices, &origVertices, &faceVertices);
 
-    const ALE::Obj<sieve_type::coneArray>& faceCone = sieveAlg::nCone(*fault, *f_iter, faultDepth);
-    const sieve_type::coneArray::iterator  fBegin   = faceCone->begin();
-    const sieve_type::coneArray::iterator  fEnd     = faceCone->end();
-    bool found = true;
+    ALE::ISieveTraversal<sieve_type>::orientedClosure(*ifaultSieve, face, cV2);
+    const int               coneSize = cV2.getSize();
+    const Mesh::point_type *faceCone = cV2.getPoints();
+    //ifaultSieve->cone(face, cV2);
+    //const int               coneSize = cV2.getSize() ? cV2.getSize()   : 1;
+    //const Mesh::point_type *faceCone = cV2.getSize() ? cV2.getPoints() : &face;
+    bool                    found    = true;
 
     if (numFaultCorners == 0) {
       found = false;
     } else if (numFaultCorners == 2) {
-      if (faceVertices[0] != *fBegin) found = false;
+      if (faceVertices[0] != faceCone[0]) found = false;
     } else {
       int v = 0;
       // Locate first vertex
-      while((v < numFaultCorners) && (faceVertices[v] != *fBegin)) ++v;
-      for(sieve_type::coneArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter, ++v) {
-        if (debug) std::cout << "    Checking " << *v_iter << " against " << faceVertices[v%numFaultCorners] << std::endl;
-        if (faceVertices[v%numFaultCorners] != *v_iter) {
+      while((v < numFaultCorners) && (faceVertices[v] != faceCone[0])) ++v;
+      for(int c = 0; c < coneSize; ++c, ++v) {
+        if (debug) std::cout << "    Checking " << faceCone[c] << " against " << faceVertices[v%numFaultCorners] << std::endl;
+        if (faceVertices[v%numFaultCorners] != faceCone[c]) {
           found = false;
           break;
         }
@@ -452,18 +464,18 @@
     if (found) {
       if (debug) std::cout << "  Choosing other cell" << std::endl;
       otherCell = cell;
-      cell = *(++cells->begin());
+      cell = cells[1];
     } else {
-      otherCell = *(++cells->begin());
+      otherCell = cells[1];
       if (debug) std::cout << "  Verifing reverse orientation" << std::endl;
       found = true;
       int v = 0;
       if (numFaultCorners > 0) {
         // Locate first vertex
-        while((v < numFaultCorners) && (faceVertices[v] != *faceCone->rbegin())) ++v;
-        for(sieve_type::coneArray::reverse_iterator v_iter = faceCone->rbegin(); v_iter != faceCone->rend(); ++v_iter, ++v) {
-          if (debug) std::cout << "    Checking " << *v_iter << " against " << faceVertices[v%numFaultCorners] << std::endl;
-          if (faceVertices[v%numFaultCorners] != *v_iter) {
+        while((v < numFaultCorners) && (faceVertices[v] != faceCone[coneSize-1])) ++v;
+        for(int c = coneSize-1; c >= 0; --c, ++v) {
+          if (debug) std::cout << "    Checking " << faceCone[c] << " against " << faceVertices[v%numFaultCorners] << std::endl;
+          if (faceVertices[v%numFaultCorners] != faceCone[c]) {
             found = false;
             break;
           }
@@ -473,33 +485,41 @@
     }
     noReplaceCells.insert(otherCell);
     replaceCells.insert(cell);
-    replaceVertices.insert(fBegin, fEnd);
+    replaceVertices.insert(faceCone, &faceCone[coneSize]);
+    cellRenumber[cell] = newPoint;
     // Adding cohesive cell (not interpolated)
-    int color = 0;
-
-	if (debug)
-	  std::cout << "  Creating cohesive cell " << newPoint << std::endl;
-    //for(PointArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter) {
-    for(sieve_type::coneArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter) {
-      if (debug)
-        std::cout << "    vertex " << *v_iter << std::endl;
-      sieve->addArrow(*v_iter, newPoint, color++);
+	if (debug) std::cout << "  Creating cohesive cell " << newPoint << std::endl;
+    for(int c = 0; c < coneSize; ++c) {
+      if (debug) std::cout << "    vertex " << faceCone[c] << std::endl;
+      sieve->addArrow(faceCone[c], newPoint);
     }
-    //for(PointArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter) {
-    for(sieve_type::coneArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter) {
-      if (debug)
-        std::cout << "    shadow vertex " << vertexRenumber[*v_iter] << std::endl;
-      sieve->addArrow(vertexRenumber[*v_iter], newPoint, color++);
+    for(int c = 0; c < coneSize; ++c) {
+      if (debug) std::cout << "    shadow vertex " << vertexRenumber[faceCone[c]] << std::endl;
+      sieve->addArrow(vertexRenumber[faceCone[c]], newPoint);
     }
     if (constraintCell) {
-      for(sieve_type::coneArray::iterator v_iter = fBegin; v_iter != fEnd; ++v_iter) {
-        if (debug)
-          std::cout << "    Lagrange vertex " << vertexRenumber[*v_iter]+numFaultVertices << std::endl;
-        sieve->addArrow(vertexRenumber[*v_iter]+numFaultVertices, newPoint, color++);
+      for(int c = 0; c < coneSize; ++c) {
+        if (debug) std::cout << "    Lagrange vertex " << vertexRenumber[faceCone[c]]+numFaultVertices << std::endl;
+        sieve->addArrow(vertexRenumber[faceCone[c]]+numFaultVertices, newPoint);
       }
     }
     mesh->setValue(material, newPoint, materialId);
+    sV2.clear();
+    cV2.clear();
   } // for
+  // Add new arrows for support of replaced vertices
+  for(PointSet::const_iterator v_iter = replaceVertices.begin(); v_iter != replaceVertices.end(); ++v_iter) {
+    sieve->support(*v_iter, sV);
+    const Mesh::point_type *support = sV.getPoints();
+
+    for(int s = 0; s < sV.getSize(); ++s) {
+      if (replaceCells.find(support[s]) != replaceCells.end()) {
+        sieve->addArrow(vertexRenumber[*v_iter], support[s]);
+      }
+    }
+    sV.clear();
+  }
+  sieve->reallocate();
   // More checking
   PointSet replaceCellsBase(replaceCells);
 
@@ -521,7 +541,10 @@
   PointSet cellNeighbors;
 
   if (firstFault) {
-    replacedCells->setFiberDimension(mesh->heightStratum(0), 1);
+    const ALE::Obj<Mesh::label_sequence>& cells = mesh->heightStratum(0);
+
+    replacedCells->setChart(real_section_type::chart_type(*std::min_element(cells->begin(), cells->end()), *std::max_element(cells->begin(), cells->end())+1));
+    replacedCells->setFiberDimension(cells, 1);
     replacedCells->allocatePoint();
   }
   for(PointSet::const_iterator c_iter = noReplaceCells.begin(); c_iter != noReplaceCells.end(); ++c_iter) {
@@ -589,33 +612,53 @@
       }
     }
   }
+  ReplaceVisitor<sieve_type,std::map<Mesh::point_type,Mesh::point_type> > rVc(vertexRenumber, sieve->getMaxConeSize(), debug);
+
   for(PointSet::const_iterator c_iter = replaceCells.begin(); c_iter != replaceCells.end(); ++c_iter) {
-    _replaceCell(sieve, *c_iter, &vertexRenumber, debug);
+    sieve->cone(*c_iter, rVc);
+    if (rVc.mappedPoint()) {
+      if (debug) std::cout << "  Replacing cell " << *c_iter << std::endl;
+      sieve->setCone(rVc.getPoints(), *c_iter);
+    }
+    rVc.clear();
   }
-  if (!(*fault)->commRank()) delete [] indices;
+  ReplaceVisitor<sieve_type,std::map<Mesh::point_type,Mesh::point_type> > rVs(cellRenumber, sieve->getMaxSupportSize(), debug);
+
+  for(PointSet::const_iterator v_iter = replaceVertices.begin(); v_iter != replaceVertices.end(); ++v_iter) {
+    sieve->support(*v_iter, rVs);
+    if (rVs.mappedPoint()) {
+      if (debug) std::cout << "  Replacing support " << *v_iter << std::endl;
+      sieve->setSupport(*v_iter, rVs.getPoints());
+    }
+    rVs.clear();
+  }
+  if (!(*ifault)->commRank()) delete [] indices;
   mesh->stratify();
   const std::string labelName("censored depth");
 
   if (!mesh->hasLabel(labelName)) {
-    const ALE::Obj<Mesh::label_type>& label          = mesh->createLabel(labelName);
-    const ALE::Obj<PointSet>          modifiedPoints = new PointSet();
+    const ALE::Obj<Mesh::label_type>& label = mesh->createLabel(labelName);
 
-    _computeCensoredDepth(mesh, label, mesh->getSieve(), mesh->getSieve()->roots(), firstCohesiveCell-(constraintCell?numFaultVertices:0), modifiedPoints);
+    _computeCensoredDepth(label, mesh->getSieve(), firstCohesiveCell-(constraintCell?numFaultVertices:0));
   } else {
     // Insert new shadow vertices into existing label
-    const ALE::Obj<Mesh::label_type>& label          = mesh->getLabel(labelName);
+    const ALE::Obj<Mesh::label_type>& label = mesh->getLabel(labelName);
 
     for(std::map<int,int>::const_iterator v_iter = vertexRenumber.begin(); v_iter != vertexRenumber.end(); ++v_iter) {
       mesh->setValue(label, v_iter->second, 0);
     }
   }
   if (debug) mesh->view("Mesh with Cohesive Elements");
+  mesh->view("Mesh with Cohesive Elements");
+  mesh->getLabel("depth")->view("Depth");
+  mesh->getLabel("censored depth")->view("Censored Depth");
 
   // Fix coordinates
   const ALE::Obj<real_section_type>& coordinates = 
     mesh->getRealSection("coordinates");
-  const ALE::Obj<Mesh::label_sequence>& fVertices2 = (*fault)->depthStratum(0);
+  const ALE::Obj<Mesh::label_sequence>& fVertices2 = (*ifault)->depthStratum(0);
 
+  coordinates->view("Coordinates without shadow vertices");
   for(Mesh::label_sequence::iterator v_iter = fVertices2->begin();
       v_iter != fVertices2->end();
       ++v_iter) {
@@ -638,30 +681,33 @@
     }
   }
   if (debug) coordinates->view("Coordinates with shadow vertices");
+  coordinates->view("Coordinates with shadow vertices");
 } // createCohesiveCells
 
 // ----------------------------------------------------------------------
 // Form a parallel fault mesh using the cohesive cell information
 void
 pylith::faults::CohesiveTopology::createParallel(
-		ALE::Obj<Mesh>* fault,
+		ALE::Obj<Mesh>* ifault,
 		std::map<Mesh::point_type, Mesh::point_type>* cohesiveToFault,
 		const ALE::Obj<Mesh>& mesh,
 		const int materialId,
 		const bool constraintCell)
 {
-  assert(0 != fault);
+  assert(0 != ifault);
   assert(0 != cohesiveToFault);
 
-  *fault = new Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
+  const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
+  *ifault = new Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
+  const ALE::Obj<sieve_type> ifaultSieve = new sieve_type(sieve->comm(), sieve->debug());
+  ALE::Obj<ALE::Mesh> fault = new ALE::Mesh(mesh->comm(), mesh->getDimension()-1, mesh->debug());
+  ALE::Obj<ALE::Mesh::sieve_type> faultSieve = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
   cohesiveToFault->clear();
 
-  const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
-  const ALE::Obj<sieve_type> faultSieve = new sieve_type(sieve->comm(), sieve->debug());
   const ALE::Obj<Mesh::label_sequence>& cohesiveCells = mesh->getLabelStratum("material-id", materialId);
   const Mesh::label_sequence::iterator cBegin = cohesiveCells->begin();
   const Mesh::label_sequence::iterator cEnd = cohesiveCells->end();
-  const int sieveEnd = sieve->base()->size() + sieve->cap()->size();
+  const int sieveEnd = sieve->getBaseSize() + sieve->getCapSize();
   const int numFaces = cohesiveCells->size();
   int globalSieveEnd = 0;
   int globalFaceOffset = 0;
@@ -669,45 +715,55 @@
   MPI_Allreduce((void *) &sieveEnd, (void *) &globalSieveEnd, 1, MPI_INT, MPI_SUM, sieve->comm());
   MPI_Scan((void *) &numFaces, (void *) &globalFaceOffset, 1, MPI_INT, MPI_SUM, sieve->comm());
   int face = globalSieveEnd + globalFaceOffset - numFaces;
+
+  ALE::ISieveVisitor::PointRetriever<sieve_type> cV(sieve->getMaxConeSize());
+
   for(Mesh::label_sequence::iterator c_iter = cBegin; c_iter != cEnd; ++c_iter) {
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = sieve->cone(*c_iter);
-    const int coneSize = cone->size();
-    int       color    = 0;
+    sieve->cone(*c_iter, cV);
+    const int               coneSize = cV.getSize();
+    const Mesh::point_type *cone     = cV.getPoints();
+    int                     color    = 0;
 
     if (!constraintCell) {
       const int faceSize = coneSize / 2;
       assert(0 == coneSize % faceSize);
 
       // Use first vertices (negative side of the fault) for fault mesh
-      sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-      for(int i=0; i < faceSize; ++i, ++v_iter) {
-        faultSieve->addArrow(*v_iter, face, color++);
+      for(int i = 0; i < faceSize; ++i) {
+        faultSieve->addArrow(cone[i], face, color++);
       }
     } else {
       const int faceSize = coneSize / 3;
       assert(0 == coneSize % faceSize);
 
       // Use last vertices (contraints) for fault mesh
-      sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-      for(int i=0; i < 2*faceSize; ++i) ++v_iter;
-      for(int i=0; i < faceSize; ++i, ++v_iter) {
-        faultSieve->addArrow(*v_iter, face, color++);
+      for(int i = 2*faceSize; i < 3*faceSize; ++i) {
+        faultSieve->addArrow(cone[i], face, color++);
       }
     } // if/else
     (*cohesiveToFault)[*c_iter] = face;
     ++face;
+    cV.clear();
   } // for
-  (*fault)->setSieve(faultSieve);
-  (*fault)->stratify();
+  fault->setSieve(faultSieve);
+  fault->stratify();
 
-  const ALE::Obj<Mesh::label_sequence>& faultCells = (*fault)->heightStratum(0);
+  // Convert fault to an IMesh
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  (*ifault)->setSieve(ifaultSieve);
+  ALE::ISieveConverter::convertMesh(*fault, *(*ifault), renumbering, false);
+  renumbering.clear();
+  fault      = NULL;
+  faultSieve = NULL;
+
+  const ALE::Obj<Mesh::label_sequence>& faultCells = (*ifault)->heightStratum(0);
   assert(!faultCells.isNull());
   for(Mesh::label_sequence::iterator c_iter = cBegin, f_iter=faultCells->begin(); c_iter != cEnd; ++c_iter, ++f_iter) {
     (*cohesiveToFault)[*c_iter] = *f_iter;
   }
     
 #if 1
-  (*fault)->setRealSection("coordinates", mesh->getRealSection("coordinates"));
+  (*ifault)->setRealSection("coordinates", mesh->getRealSection("coordinates"));
 #else
   const ALE::Obj<Mesh::real_section_type>& coordinates  = mesh->getRealSection("coordinates");
   const ALE::Obj<Mesh::real_section_type>& fCoordinates = (*fault)->getRealSection("coordinates");
@@ -742,68 +798,19 @@
                                                 const int debug)
 {
   // Replace all cells on a given side of the fault with a vertex on the fault
-  const ALE::Obj<sieve_type::traits::supportSequence>& neighbors = sieve->support(vertex);
-  const sieve_type::traits::supportSequence::iterator  begin     = neighbors->begin();
-  const sieve_type::traits::supportSequence::iterator  end       = neighbors->end();
-  bool                                                 modified  = true;
-  int                                                  classifyTotal = neighbors->size();
-  int                                                  classifySize  = 0;
-  PointSet                                             vReplaceCells;
-  PointSet                                             vNoReplaceCells;
+  ClassifyVisitor<Mesh::sieve_type> cV(*sieve, replaceCells, noReplaceCells, firstCohesiveCell, faceSize, debug);
+  const PointSet& vReplaceCells   = cV.getReplaceCells();
+  const PointSet& vNoReplaceCells = cV.getNoReplaceCells();
 
-
   if (debug) {std::cout << "Checking fault vertex " << vertex << std::endl;}
-  for(sieve_type::traits::supportSequence::iterator n_iter = begin; n_iter != end; ++n_iter) {
-    if (replaceCells.find(*n_iter)   != replaceCells.end())   vReplaceCells.insert(*n_iter);
-    if (noReplaceCells.find(*n_iter) != noReplaceCells.end()) vNoReplaceCells.insert(*n_iter);
-    if (*n_iter >= firstCohesiveCell) classifyTotal--;
-  }
-  classifySize = vReplaceCells.size() + vNoReplaceCells.size();
+  sieve->support(vertex, cV);
+  cV.setMode(false);
+  const int classifyTotal = cV.getSize();
+  int       classifySize  = vReplaceCells.size() + vNoReplaceCells.size();
 
-  while(modified && (classifySize < classifyTotal)) {
-    modified = false;
-    for(sieve_type::traits::supportSequence::iterator n_iter = begin; n_iter != end; ++n_iter) {
-      bool classified = false;
-
-      if (debug) {std::cout << "Checking neighbor " << *n_iter << std::endl;}
-      if (vReplaceCells.find(*n_iter)   != vReplaceCells.end()) {
-        if (debug) {std::cout << "  already in replaceCells" << std::endl;}
-        continue;
-      }
-      if (vNoReplaceCells.find(*n_iter) != vNoReplaceCells.end()) {
-        if (debug) {std::cout << "  already in noReplaceCells" << std::endl;}
-        continue;
-      }
-      if (*n_iter >= firstCohesiveCell) {
-        if (debug) {std::cout << "  already a cohesive cell" << std::endl;}
-        continue;
-      }
-      // If neighbor shares a face with anyone in replaceCells, then add
-      for(PointSet::const_iterator c_iter = vReplaceCells.begin(); c_iter != vReplaceCells.end(); ++c_iter) {
-        const ALE::Obj<sieve_type::coneSet>& preFace = sieve->nMeet(*c_iter, *n_iter, depth);
-
-        if (preFace->size() == faceSize) {
-          if (debug) {std::cout << "    Scheduling " << *n_iter << " for replacement" << std::endl;}
-          vReplaceCells.insert(*n_iter);
-          modified   = true;
-          classified = true;
-          break;
-        }
-      }
-      if (classified) continue;
-      // It is unclear whether taking out the noReplace cells will speed this up
-      for(PointSet::const_iterator c_iter = vNoReplaceCells.begin(); c_iter != vNoReplaceCells.end(); ++c_iter) {
-        const ALE::Obj<sieve_type::coneSet>& preFace = sieve->nMeet(*c_iter, *n_iter, depth);
-
-        if (preFace->size() == faceSize) {
-          if (debug) {std::cout << "    Scheduling " << *n_iter << " for no replacement" << std::endl;}
-          vNoReplaceCells.insert(*n_iter);
-          modified   = true;
-          classified = true;
-          break;
-        }
-      }
-    }
+  while(cV.getModified() && (classifySize < classifyTotal)) {
+    cV.reset();
+    sieve->support(vertex, cV);
     if (debug) {
       std::cout << "classifySize: " << classifySize << std::endl;
       std::cout << "classifyTotal: " << classifyTotal << std::endl;
@@ -859,65 +866,19 @@
 
 // ----------------------------------------------------------------------
 void
-pylith::faults::CohesiveTopology::_replaceCell(const Obj<sieve_type>& sieve,
-                                               const Mesh::point_type cell,
-                                               std::map<int,int> *vertexRenumber,
-                                               const int debug)
-{
-  bool       replace = false;
-  PointArray newVertices;
-
-  const ALE::Obj<sieve_type::traits::coneSequence>& cCone = sieve->cone(cell);
-
-  for(sieve_type::traits::coneSequence::iterator v_iter = cCone->begin();
-      v_iter != cCone->end(); ++v_iter) {
-    if (vertexRenumber->find(*v_iter) != vertexRenumber->end()) {
-      if (debug) std::cout << "    vertex " << (*vertexRenumber)[*v_iter] << std::endl;
-      newVertices.insert(newVertices.end(), (*vertexRenumber)[*v_iter]);
-      replace = true;
-    } else {
-      if (debug) std::cout << "    vertex " << *v_iter << std::endl;
-      newVertices.insert(newVertices.end(), *v_iter);
-    } // if/else
-  } // for
-  if (replace) {
-    if (debug) std::cout << "  Replacing cell " << cell << std::endl;
-    sieve->clearCone(cell);
-    int color = 0;
-    for(PointArray::const_iterator v_iter = newVertices.begin(); v_iter != newVertices.end(); ++v_iter) {
-      sieve->addArrow(*v_iter, cell, color++);
-    } // for
-  }
-}
-
-// ----------------------------------------------------------------------
-template<class InputPoints>
-void
-pylith::faults::CohesiveTopology::_computeCensoredDepth(const ALE::Obj<Mesh>& mesh,
-                                                        const ALE::Obj<Mesh::label_type>& depth,
+pylith::faults::CohesiveTopology::_computeCensoredDepth(const ALE::Obj<Mesh::label_type>& depth,
                                                         const ALE::Obj<Mesh::sieve_type>& sieve,
-                                                        const ALE::Obj<InputPoints>& points,
-                                                        const Mesh::point_type& firstCohesiveCell,
-                                                        const ALE::Obj<std::set<Mesh::point_type> >& modifiedPoints)
+                                                        const Mesh::point_type& firstCohesiveCell)
 {
-  modifiedPoints->clear();
+  Mesh::DepthVisitor d(*sieve, firstCohesiveCell, *depth);
 
-  for(typename InputPoints::iterator p_iter = points->begin(); p_iter != points->end(); ++p_iter) {
-    if (*p_iter >= firstCohesiveCell) continue;
-    // Compute the max depth of the points in the cone of p, and add 1
-    int d0 = mesh->getValue(depth, *p_iter, -1);
-    int d1 = mesh->getMaxValue(depth, sieve->cone(*p_iter), -1) + 1;
+  sieve->roots(d);
+  while(d.isModified()) {
+    // FIX: Avoid the copy here somehow by fixing the traversal
+    std::vector<Mesh::point_type> modifiedPoints(d.getModifiedPoints().begin(), d.getModifiedPoints().end());
 
-    if(d1 != d0) {
-      mesh->setValue(depth, *p_iter, d1);
-      modifiedPoints->insert(*p_iter);
-    }
+    d.clear();
+    sieve->support(modifiedPoints, d);
   }
-  // FIX: We would like to avoid the copy here with support()
-  if(modifiedPoints->size() > 0) {
-    _computeCensoredDepth(mesh, depth, sieve, sieve->support(modifiedPoints), firstCohesiveCell, modifiedPoints);
-  }
-}
-
-
+};
 // End of file

Modified: short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.hh
===================================================================
--- short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.hh	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/faults/CohesiveTopology.hh	2008-05-16 21:14:36 UTC (rev 11979)
@@ -35,7 +35,128 @@
   typedef std::vector<sieve_type::point_type>    PointArray;
   typedef std::pair<sieve_type::point_type, int> oPoint_type;
   typedef std::vector<oPoint_type>               oPointArray;
+protected:
+  template<typename Sieve, typename Renumbering>
+  class ReplaceVisitor {
+  public:
+    typedef typename Sieve::point_type point_type;
+  protected:
+    Renumbering& renumbering;
+    const int    size;
+    int          i;
+    const int    debug;
+    point_type  *points;
+    bool         mapped;
+  public:
+    ReplaceVisitor(Renumbering& r, const int size, const int debug = 0) : renumbering(r), size(size), i(0), debug(debug) {
+      this->points = new point_type[this->size];
+      this->mapped = false;
+    };
+    ~ReplaceVisitor() {delete [] this->points;};
+    void visitPoint(const point_type& point) {
+      if (i >= this->size) {throw ALE::Exception("Too many points for ReplaceVisitor");}
+      if (this->renumbering.find(point) != this->renumbering.end()) {
+        if (debug) std::cout << "    point " << this->renumbering[point] << std::endl;
+        points[i] = this->renumbering[point];
+        this->mapped = true;
+      } else {
+        if (debug) std::cout << "    point " << point << std::endl;
+        points[i] = point;
+      }
+      ++i;
+    };
+    void visitArrow(const typename Sieve::arrow_type&) {};
+  public:
+    const point_type *getPoints() {return this->points;};
+    bool mappedPoint() {return this->mapped;};
+    void clear() {this->i = 0; this->mapped = false;};
+  };
+  template<typename Sieve>
+  class ClassifyVisitor {
+  public:
+    typedef typename Sieve::point_type point_type;
+  protected:
+    const Sieve&     sieve;
+    const PointSet&  replaceCells;
+    const PointSet&  noReplaceCells;
+    const point_type firstCohesiveCell;
+    const int        faceSize;
+    const int        debug;
+    PointSet         vReplaceCells;
+    PointSet         vNoReplaceCells;
+    bool             modified;
+    bool             setupMode;
+    int              size;
+    ALE::ISieveVisitor::PointRetriever<Sieve> pR;
+  public:
+    ClassifyVisitor(const Sieve& s, const PointSet& rC, const PointSet& nrC, const point_type& fC, const int fS, const int debug = 0) : sieve(s), replaceCells(rC), noReplaceCells(nrC), firstCohesiveCell(fC), faceSize(fS), debug(debug), modified(false), setupMode(true), size(0) {
+      pR.setSize(s.getMaxConeSize());
+    };
+    ~ClassifyVisitor() {};
+    void visitPoint(const point_type& point) {
+      if (this->setupMode) {
+        if (replaceCells.find(point)   != replaceCells.end())   vReplaceCells.insert(point);
+        if (noReplaceCells.find(point) != noReplaceCells.end()) vNoReplaceCells.insert(point);
+        if (point >= firstCohesiveCell) return;
+        this->modified = true;
+        this->size++;
+        return;
+      }
+      bool classified = false;
 
+      if (debug) {std::cout << "Checking neighbor " << point << std::endl;}
+      if (vReplaceCells.find(point)   != vReplaceCells.end()) {
+        if (debug) {std::cout << "  already in replaceCells" << std::endl;}
+        return;
+      }
+      if (vNoReplaceCells.find(point) != vNoReplaceCells.end()) {
+        if (debug) {std::cout << "  already in noReplaceCells" << std::endl;}
+        return;
+      }
+      if (point >= firstCohesiveCell) {
+        if (debug) {std::cout << "  already a cohesive cell" << std::endl;}
+        return;
+      }
+      // If neighbor shares a face with anyone in replaceCells, then add
+      for(PointSet::const_iterator c_iter = vReplaceCells.begin(); c_iter != vReplaceCells.end(); ++c_iter) {
+        sieve.meet(*c_iter, point, pR);
+
+        if (pR.getSize() == faceSize) {
+          if (debug) {std::cout << "    Scheduling " << point << " for replacement" << std::endl;}
+          vReplaceCells.insert(point);
+          modified   = true;
+          classified = true;
+          pR.clear();
+          break;
+        }
+        pR.clear();
+      }
+      if (classified) return;
+      // It is unclear whether taking out the noReplace cells will speed this up
+      for(PointSet::const_iterator c_iter = vNoReplaceCells.begin(); c_iter != vNoReplaceCells.end(); ++c_iter) {
+        sieve.meet(*c_iter, point, pR);
+
+        if (pR.getSize() == faceSize) {
+          if (debug) {std::cout << "    Scheduling " << point << " for no replacement" << std::endl;}
+          vNoReplaceCells.insert(point);
+          modified   = true;
+          classified = true;
+          pR.clear();
+          break;
+        }
+        pR.clear();
+      }
+    };
+    void visitArrow(const typename Sieve::arrow_type&) {};
+  public:
+    const PointSet& getReplaceCells() const {return this->vReplaceCells;};
+    const PointSet& getNoReplaceCells() const {return this->vNoReplaceCells;};
+    const bool      getModified() const {return this->modified;};
+    const int       getSize() const {return this->size;};
+    void            setMode(const bool isSetup) {this->setupMode = isSetup;};
+    void            reset() {this->modified = false;};
+  };
+
   // PUBLIC METHODS /////////////////////////////////////////////////////
 public :
 
@@ -129,19 +250,9 @@
                               PointArray *neighborVertices);
 
   static
-  void _replaceCell(const Obj<sieve_type>& sieve,
-                    const Mesh::point_type cell,
-                    std::map<int,int> *vertexRenumber,
-                    const int debug = 0);
-
-  template<class InputPoints>
-  static
-  void _computeCensoredDepth(const ALE::Obj<Mesh>& mesh,
-                             const ALE::Obj<Mesh::label_type>& depth,
+  void _computeCensoredDepth(const ALE::Obj<Mesh::label_type>& depth,
                              const ALE::Obj<Mesh::sieve_type>& sieve,
-                             const ALE::Obj<InputPoints>& points,
-                             const Mesh::point_type& firstCohesiveCell,
-                             const ALE::Obj<std::set<Mesh::point_type> >& modifiedPoints);
+                             const Mesh::point_type& firstCohesiveCell);
 
   static void classifyCells(const ALE::Obj<Mesh::sieve_type>& sieve,
                             const Mesh::point_type& vertex,

Modified: short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveDyn.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveDyn.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveDyn.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -103,12 +103,10 @@
   assert(!cells.isNull());
   const Mesh::label_sequence::iterator cellsBegin = cells->begin();
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
-  const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
-  assert(!sieve.isNull());
   for (Mesh::label_sequence::iterator c_iter=cellsBegin;
        c_iter != cellsEnd;
        ++c_iter) {
-    const int cellNumCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int cellNumCorners = mesh->getNumCellCorners(*c_iter);
     if (3*numCorners != cellNumCorners) {
       std::ostringstream msg;
       msg << "Number of vertices in reference cell (" << numCorners 

Modified: short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveKin.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveKin.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/faults/FaultCohesiveKin.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -255,6 +255,7 @@
   assert(0 != mat);
   assert(0 != fields);
   assert(!mesh.isNull());
+  typedef ALE::ISieveVisitor::IndicesVisitor<Mesh::real_section_type,Mesh::order_type,PetscInt> visitor_type;
 
   // Add constraint information to Jacobian matrix; these are the
   // direction cosines. Entries are associated with vertices ik, jk,
@@ -286,6 +287,10 @@
   int_array cellConstraintCell(numConstraintVert);
   double_array cellStiffness(numConstraintVert);
 
+  const ALE::Obj<Mesh::order_type>& globalOrder = mesh->getFactory()->getGlobalOrder(mesh, "default", solution);
+  assert(!globalOrder.isNull());
+  visitor_type iV(*solution, *globalOrder, (int) pow(mesh->getSieve()->getMaxConeSize(), mesh->depth())*spaceDim);
+
   for (Mesh::label_sequence::iterator c_iter=cellsCohesiveBegin;
        c_iter != cellsCohesiveEnd;
        ++c_iter) {
@@ -350,15 +355,13 @@
     } // for
 
     // Assemble cell contribution into PETSc Matrix
-    const ALE::Obj<Mesh::order_type>& globalOrder = 
-      mesh->getFactory()->getGlobalOrder(mesh, "default", solution);
     // Note: We are not really adding values because we prevent
     // overlap across cells. We use ADD_VALUES for compatibility with
     // the other integrators.
-    err = updateOperator(*mat, mesh, solution, globalOrder,
-			 *c_iter, &cellMatrix[0], ADD_VALUES);
+    err = updateOperator(*mat, *mesh->getSieve(), iV, *c_iter, &cellMatrix[0], ADD_VALUES);
     if (err)
       throw std::runtime_error("Update to PETSc Mat failed.");
+    iV.clear();
   } // for
   PetscLogFlops(cellsCohesiveSize*numConstraintVert*spaceDim*spaceDim*4);
   _needNewJacobian = false;
@@ -397,12 +400,10 @@
   assert(!cells.isNull());
   const Mesh::label_sequence::iterator cellsBegin = cells->begin();
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
-  const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
-  assert(!sieve.isNull());
   for (Mesh::label_sequence::iterator c_iter=cellsBegin;
        c_iter != cellsEnd;
        ++c_iter) {
-    const int cellNumCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int cellNumCorners = mesh->getNumCellCorners(*c_iter);
     if (3*numCorners != cellNumCorners) {
       std::ostringstream msg;
       msg << "Number of vertices in reference cell (" << numCorners 
@@ -517,6 +518,7 @@
   for (int iDim=0; iDim <= cohesiveDim; ++iDim)
     _orientation->addSpace();
   assert(cohesiveDim+1 == _orientation->getNumSpaces());
+  _orientation->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _orientation->setFiberDimension(vertices, orientationSize);
   for (int iDim=0; iDim <= cohesiveDim; ++iDim)
     _orientation->setFiberDimension(vertices, spaceDim, iDim);
@@ -555,24 +557,21 @@
   const int faultDepth = _faultMesh->depth();  // depth of fault cells
   typedef ALE::SieveAlg<Mesh> SieveAlg;
 
+  ALE::ISieveVisitor::NConeRetriever<sieve_type> ncV(*sieve, (size_t) pow(sieve->getMaxConeSize(), _faultMesh->depth()));
+
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter) {
     _faultMesh->restrict(coordinates, *c_iter, 
 			 &faceVertices[0], faceVertices.size());
 
-    const ALE::Obj<SieveAlg::coneArray>& cone =
-      SieveAlg::nCone(_faultMesh, *c_iter, faultDepth);
-    assert(!cone.isNull());
-    const SieveAlg::coneArray::iterator vBegin = cone->begin();
-    const SieveAlg::coneArray::iterator vEnd = cone->end();
-
-    int iBasis = 0;
-    for(SieveAlg::coneArray::iterator v_iter=vBegin;
-	v_iter != vEnd;
-	++v_iter, ++iBasis) {
+    ALE::ISieveTraversal<sieve_type>::orientedClosure(*sieve, *c_iter, ncV);
+    const int               coneSize = ncV.getSize();
+    const Mesh::point_type *cone     = ncV.getPoints();
+    
+    for(int v = 0; v < coneSize; ++v) {
       // Compute Jacobian and determinant of Jacobian at vertex
-      double_array vertex(&verticesRef[iBasis*cohesiveDim], cohesiveDim);
+      double_array vertex(&verticesRef[v*cohesiveDim], cohesiveDim);
       cellGeometry.jacobian(&jacobian, &jacobianDet, faceVertices, vertex);
 
       // Compute orientation
@@ -580,8 +579,9 @@
 			       upDir);
       
       // Update orientation
-      _orientation->updateAddPoint(*v_iter, &vertexOrientation[0]);
+      _orientation->updateAddPoint(cone[v], &vertexOrientation[0]);
     } // for
+    ncV.clear();
   } // for
 
   // Assemble orientation information
@@ -673,6 +673,7 @@
   _faultVertexCell = new int_section_type(_faultMesh->comm(), 
 					  _faultMesh->debug());
   assert(!_faultVertexCell.isNull());
+  _faultVertexCell->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _faultVertexCell->setFiberDimension(vertices, 1);
   _faultMesh->allocate(_faultVertexCell);
   
@@ -692,28 +693,27 @@
   const int faultDepth = _faultMesh->depth();  // depth of fault cells
   typedef ALE::SieveAlg<Mesh> SieveAlg;
   
+  ALE::ISieveVisitor::NConeRetriever<sieve_type> ncV(*sieve, (size_t) pow(sieve->getMaxConeSize(), _faultMesh->depth()));
+
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter) {
-    const ALE::Obj<SieveAlg::coneArray>& cone =
-      SieveAlg::nCone(_faultMesh, *c_iter, faultDepth);
-    assert(!cone.isNull());
-    const SieveAlg::coneArray::iterator vBegin = cone->begin();
-    const SieveAlg::coneArray::iterator vEnd = cone->end();
-    const int coneSize = cone->size();
+    ALE::ISieveTraversal<sieve_type>::orientedClosure(*sieve, *c_iter, ncV);
+    const int               coneSize = ncV.getSize();
+    const Mesh::point_type *cone     = ncV.getPoints();
 
     // If haven't set cell-constraint pair, then set it for current
     // cell, otherwise move on.
-    SieveAlg::coneArray::iterator v_iter = vBegin;
-    for(int i=0; i < coneSize; ++i, ++v_iter) {
+    for(int v = 0; v < coneSize; ++v) {
       const int_section_type::value_type* curCell = 
-	_faultVertexCell->restrictPoint(*v_iter);
+        _faultVertexCell->restrictPoint(cone[v]);
       assert(0 != curCell);
       if (noCell == *curCell) {
-	int point = *c_iter;
-	_faultVertexCell->updatePoint(*v_iter, &point);
+        int point = *c_iter;
+        _faultVertexCell->updatePoint(cone[v], &point);
       } // if
     } // for
+    ncV.clear();
   } // for
 
   //_faultVertexCell->view("VERTEX/CELL PAIRINGS");
@@ -739,6 +739,7 @@
   _pseudoStiffness = new real_section_type(_faultMesh->comm(), 
 					   _faultMesh->debug());
   assert(!_pseudoStiffness.isNull());
+  _pseudoStiffness->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _pseudoStiffness->setFiberDimension(vertices, 1);
   _faultMesh->allocate(_pseudoStiffness);
   
@@ -795,6 +796,7 @@
   _area = new real_section_type(_faultMesh->comm(), 
 				_faultMesh->debug());
   assert(!_area.isNull());
+  _area->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
   _area->setFiberDimension(vertices, 1);
   _faultMesh->allocate(_area);
   
@@ -877,6 +879,7 @@
   if (tractions->isNull() ||
       fiberDim != (*tractions)->getFiberDimension(*vertices->begin())) {
     *tractions = new real_section_type(_faultMesh->comm(), _faultMesh->debug());
+    (*tractions)->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
     (*tractions)->setFiberDimension(vertices, fiberDim);
     _faultMesh->allocate(*tractions);
   } // if
@@ -923,6 +926,7 @@
 						_faultMesh->debug());
     const ALE::Obj<Mesh::label_sequence>& vertices = 
       _faultMesh->depthStratum(0);
+    _bufferVertexScalar->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
     _bufferVertexScalar->setFiberDimension(vertices, fiberDim);
     _faultMesh->allocate(_bufferVertexScalar);
   } // if
@@ -940,6 +944,7 @@
 						_faultMesh->debug());
     const ALE::Obj<Mesh::label_sequence>& vertices = 
       _faultMesh->depthStratum(0);
+    _bufferVertexVector->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
     _bufferVertexVector->setFiberDimension(vertices, fiberDim);
     _faultMesh->allocate(_bufferVertexVector);
   } // if  

Modified: short/3D/PyLith/trunk/libsrc/feassemble/ElasticityExplicit.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/feassemble/ElasticityExplicit.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/feassemble/ElasticityExplicit.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -28,8 +28,6 @@
 #include <assert.h> // USES assert()
 #include <stdexcept> // USES std::runtime_error
 
-#define FASTER
-
 // ----------------------------------------------------------------------
 // Constructor
 pylith::feassemble::ElasticityExplicit::ElasticityExplicit(void) :
@@ -168,16 +166,6 @@
   double_array totalStrain(numQuadPts*tensorSize);
   totalStrain = 0.0;
 
-#ifdef FASTER
-  fields->createCustomAtlas("material-id", materialId);
-  const int dispTAtlasTag = 
-    fields->getFieldAtlasTagByHistory(1, materialId);
-  const int dispTmdtAtlasTag = 
-    fields->getFieldAtlasTagByHistory(2, materialId);
-  const int residualAtlasTag = 
-    fields->getFieldAtlasTag("residual", materialId);
-#endif
-
   int c_index = 0;
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
@@ -191,15 +179,8 @@
     // Reset element vector to zero
     _resetCellVector();
 
-#ifdef FASTER
-    mesh->restrict(dispT, dispTAtlasTag, c_index, &dispTCell[0], 
-		   cellVecSize);
-    mesh->restrict(dispTmdt, dispTmdtAtlasTag, c_index, &dispTmdtCell[0], 
-		   cellVecSize);
-#else
     mesh->restrict(dispT, *c_iter, &dispTCell[0], cellVecSize);
     mesh->restrict(dispTmdt, *c_iter, &dispTmdtCell[0], cellVecSize);
-#endif
 
     // Get cell geometry information that depends on cell
     const double_array& basis = _quadrature->basis();
@@ -231,11 +212,7 @@
     CALL_MEMBER_FN(*this, elasticityResidualFn)(stress);
 
     // Assemble cell contribution into field
-#ifdef FASTER
-    mesh->updateAdd(residual, residualAtlasTag, c_index, _cellVector);
-#else
     mesh->updateAdd(residual, *c_iter, _cellVector);
-#endif
   } // for
 } // integrateResidual
 
@@ -253,6 +230,7 @@
   assert(0 != jacobian);
   assert(0 != fields);
   assert(!mesh.isNull());
+  typedef ALE::ISieveVisitor::IndicesVisitor<Mesh::real_section_type,Mesh::order_type,PetscInt> visitor_type;
 
   // Get cell information
   const ALE::Obj<Mesh::label_sequence>& cells = 
@@ -285,6 +263,10 @@
   // Allocate vector for cell values (if necessary)
   _initCellMatrix();
 
+  const ALE::Obj<Mesh::order_type>& globalOrder = mesh->getFactory()->getGlobalOrder(mesh, "default", dispT);
+  assert(!globalOrder.isNull());
+  visitor_type iV(*dispT, *globalOrder, (int) pow(mesh->getSieve()->getMaxConeSize(), mesh->depth())*spaceDim);
+
   int c_index = 0;
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
@@ -324,14 +306,10 @@
     PetscLogFlops(numQuadPts*(3+numBasis*(1+numBasis*(1+spaceDim))));
     
     // Assemble cell contribution into PETSc Matrix
-    const ALE::Obj<Mesh::order_type>& globalOrder = 
-      mesh->getFactory()->getGlobalOrder(mesh, "default", dispT);
-    assert(!globalOrder.isNull());
-
-    PetscErrorCode err = updateOperator(*jacobian, mesh, dispT, globalOrder,
-					*c_iter, _cellMatrix, ADD_VALUES);
+    PetscErrorCode err = updateOperator(*jacobian, *mesh->getSieve(), iV, *c_iter, _cellMatrix, ADD_VALUES);
     if (err)
       throw std::runtime_error("Update to PETSc Mat failed.");
+    iV.clear();
   } // for
 
   _needNewJacobian = false;

Modified: short/3D/PyLith/trunk/libsrc/feassemble/ElasticityImplicit.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/feassemble/ElasticityImplicit.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/feassemble/ElasticityImplicit.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -28,8 +28,6 @@
 #include <assert.h> // USES assert()
 #include <stdexcept> // USES std::runtime_error
 
-#define FASTER
-
 // ----------------------------------------------------------------------
 // Constructor
 pylith::feassemble::ElasticityImplicit::ElasticityImplicit(void) :
@@ -155,14 +153,6 @@
   const int numBasis = _quadrature->numBasis();
   const int spaceDim = _quadrature->spaceDim();
 
-#ifdef FASTER
-  fields->createCustomAtlas("material-id", materialId);
-  const int dispAtlasTag = 
-    fields->getFieldAtlasTag("dispTBctpdt", materialId);
-  const int residualAtlasTag = 
-    fields->getFieldAtlasTag("residual", materialId);
-#endif
-
   // Precompute the geometric and function space information
   _quadrature->precomputeGeometry(mesh, coordinates, cells);
 
@@ -197,12 +187,7 @@
 
     // Restrict input fields to cell
     PetscLogEventBegin(restrictEvent,0,0,0,0);
-#ifdef FASTER
-    mesh->restrict(dispTBctpdt, dispAtlasTag, c_index, &dispTBctpdtCell[0], 
-		   cellVecSize);
-#else
     mesh->restrict(dispTBctpdt, *c_iter, &dispTBctpdtCell[0], cellVecSize);
-#endif
     PetscLogEventEnd(restrictEvent,0,0,0,0);
 
     // Get cell geometry information that depends on cell
@@ -256,11 +241,7 @@
 #endif
     // Assemble cell contribution into field
     PetscLogEventBegin(updateEvent,0,0,0,0);
-#ifdef FASTER
-    mesh->updateAdd(residual, residualAtlasTag, c_index, _cellVector);
-#else
     mesh->updateAdd(residual, *c_iter, _cellVector);
-#endif
     PetscLogEventEnd(updateEvent,0,0,0,0);
   } // for
 } // integrateResidual
@@ -284,6 +265,7 @@
   assert(0 != mat);
   assert(0 != fields);
   assert(!mesh.isNull());
+  typedef ALE::ISieveVisitor::IndicesVisitor<Mesh::real_section_type,Mesh::order_type,PetscInt> visitor_type;
 
   // Set variables dependent on dimension of cell
   const int cellDim = _quadrature->cellDim();
@@ -353,10 +335,10 @@
   double_array totalStrain(numQuadPts*tensorSize);
   totalStrain = 0.0;
 
-#ifdef FASTER
-  fields->createCustomAtlas("material-id", materialId);
-  const int dispAtlasTag = fields->getFieldAtlasTag("dispTBctpdt", materialId);
-#endif
+  const ALE::Obj<Mesh::order_type>& globalOrder = mesh->getFactory()->getGlobalOrder(mesh, "default", dispTBctpdt);
+  assert(!globalOrder.isNull());
+  globalOrder->view("Global Order for Jacobian");
+  visitor_type iV(*dispTBctpdt, *globalOrder, (int) pow(mesh->getSieve()->getMaxConeSize(), mesh->depth())*spaceDim);
 
   // Loop over cells
   int c_index = 0;
@@ -373,12 +355,7 @@
     _resetCellMatrix();
 
     // Restrict input fields to cell
-#ifdef FASTER
-    mesh->restrict(dispTBctpdt, dispAtlasTag, c_index, &dispTBctpdtCell[0], 
-		   cellVecSize);
-#else
     mesh->restrict(dispTBctpdt, *c_iter, &dispTBctpdtCell[0], cellVecSize);
-#endif
 
     // Get cell geometry information that depends on cell
     const double_array& basis = _quadrature->basis();
@@ -397,12 +374,10 @@
 
     // Assemble cell contribution into field.  Not sure if this is correct for
     // global stiffness matrix.
-    const ALE::Obj<Mesh::order_type>& globalOrder = 
-      mesh->getFactory()->getGlobalOrder(mesh, "default", dispTBctpdt);
-    PetscErrorCode err = updateOperator(*mat, mesh, dispTBctpdt, globalOrder,
-					*c_iter, _cellMatrix, ADD_VALUES);
+    PetscErrorCode err = updateOperator(*mat, *mesh->getSieve(), iV, *c_iter, _cellMatrix, ADD_VALUES);
     if (err)
       throw std::runtime_error("Update to PETSc Mat failed.");
+    iV.clear();
   } // for
   _needNewJacobian = false;
   _material->resetNeedNewJacobian();

Modified: short/3D/PyLith/trunk/libsrc/feassemble/IntegratorElasticity.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/feassemble/IntegratorElasticity.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/feassemble/IntegratorElasticity.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -132,7 +132,7 @@
   totalStrain = 0.0;
 
   const ALE::Obj<real_section_type>& disp = fields->getSolution();
-  const int dispAtlasTag = fields->getSolutionAtlasTag(materialId);
+  /// const int dispAtlasTag = fields->getSolutionAtlasTag(materialId);
   
   // Loop over cells
   int c_index = 0;
@@ -143,7 +143,7 @@
     _quadrature->retrieveGeometry(mesh, coordinates, *c_iter, c_index);
 
     // Restrict input fields to cell
-    mesh->restrict(disp, dispAtlasTag, c_index, &dispCell[0], cellVecSize);
+    mesh->restrict(disp, *c_iter, &dispCell[0], cellVecSize);
 
     // Get cell geometry information that depends on cell
     const double_array& basisDeriv = _quadrature->basisDeriv();
@@ -193,12 +193,10 @@
     mesh->getLabelStratum("material-id", _material->id());
   assert(!cells.isNull());
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
-  const ALE::Obj<sieve_type>& sieve = mesh->getSieve();
-  assert(!sieve.isNull());
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter) {
-    const int cellNumCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int cellNumCorners = mesh->getNumCellCorners(*c_iter);
     if (numCorners != cellNumCorners) {
       std::ostringstream msg;
       msg << "Quadrature is incompatible with cell in material '"
@@ -329,12 +327,13 @@
   if (field->isNull() || 
       totalFiberDim != (*field)->getFiberDimension(*cells->begin())) {
     *field = new real_section_type(mesh->comm(), mesh->debug());
+    (*field)->setChart(real_section_type::chart_type(0, cells->size()));
     (*field)->setFiberDimension(cells, totalFiberDim);
     mesh->allocate(*field);
   } // if
   
   const ALE::Obj<real_section_type>& disp = fields->getSolution();
-  const int dispAtlasTag = fields->getSolutionAtlasTag(materialId);
+  /// const int dispAtlasTag = fields->getSolutionAtlasTag(materialId);
   
   // Loop over cells
   int c_index = 0;
@@ -345,7 +344,7 @@
     _quadrature->retrieveGeometry(mesh, coordinates, *c_iter, c_index);
     
     // Restrict input fields to cell
-    mesh->restrict(disp, dispAtlasTag, c_index, &dispCell[0], cellVecSize);
+    mesh->restrict(disp, *c_iter, &dispCell[0], cellVecSize);
     
     // Get cell geometry information that depends on cell
     const double_array& basisDeriv = _quadrature->basisDeriv();
@@ -401,6 +400,7 @@
   if (field->isNull()) {
     const int fiberDim = numQuadPts * tensorSize;
     *field = new real_section_type(mesh->comm(), mesh->debug());
+    (*field)->setChart(real_section_type::chart_type(0, cells->size()));
     (*field)->setFiberDimension(cells, fiberDim);
     mesh->allocate(*field);
   } // if

Modified: short/3D/PyLith/trunk/libsrc/feassemble/Quadrature.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/feassemble/Quadrature.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/feassemble/Quadrature.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -279,25 +279,25 @@
   if (_precomputed) return;
   const Mesh::label_sequence::iterator end = cells->end();
 
+  _quadPtsPre->setChart(real_section_type::chart_type(0, cells->size()));
   _quadPtsPre->setFiberDimension(cells, _numQuadPts*_spaceDim);
   _quadPtsPre->allocatePoint();
-  _qTag = mesh->calculateCustomAtlas(_quadPtsPre, cells);
   _jacobianPre->getAtlas()->setAtlas(_quadPtsPre->getAtlas()->getAtlas());
+  _jacobianPre->getAtlas()->allocatePoint();
   _jacobianPre->setFiberDimension(cells, _numQuadPts*_cellDim*_spaceDim);
   _jacobianPre->allocatePoint();
-  _jTag = mesh->calculateCustomAtlas(_jacobianPre, cells);
   _jacobianDetPre->getAtlas()->setAtlas(_quadPtsPre->getAtlas()->getAtlas());
+  _jacobianDetPre->getAtlas()->allocatePoint();
   _jacobianDetPre->setFiberDimension(cells, _numQuadPts);
   _jacobianDetPre->allocatePoint();
-  _jDTag = mesh->calculateCustomAtlas(_jacobianDetPre, cells);
   _jacobianInvPre->setAtlas(_jacobianPre->getAtlas());
   _jacobianInvPre->setFiberDimension(cells, _numQuadPts*_cellDim*_spaceDim);
   _jacobianInvPre->allocatePoint();
-  _jITag = _jacobianInvPre->copyCustomAtlas(_jacobianPre, _jTag);
+  //_jITag = _jacobianInvPre->copyCustomAtlas(_jacobianPre, _jTag);
   _basisDerivPre->getAtlas()->setAtlas(_quadPtsPre->getAtlas()->getAtlas());
+  _basisDerivPre->getAtlas()->allocatePoint();
   _basisDerivPre->setFiberDimension(cells, _numQuadPts*_numBasis*_spaceDim);
   _basisDerivPre->allocatePoint();
-  _bTag = mesh->calculateCustomAtlas(_basisDerivPre, cells);
 
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != end;
@@ -331,27 +331,27 @@
 			      const int c)
 { // retrieveGeometry
   const real_section_type::value_type* values =
-    mesh->restrict(_quadPtsPre, _qTag, c);
+    mesh->restrict(_quadPtsPre, cell);
   int size = _numQuadPts * _spaceDim;
   assert(size == _quadPtsPre->getFiberDimension(cell));
   memcpy(&_quadPts[0], &values[0], size*sizeof(double));
 
-  values = mesh->restrict(_jacobianPre, _jTag, c);
+  values = mesh->restrict(_jacobianPre, cell);
   size = _numQuadPts * _cellDim * _spaceDim;
   assert(size == _jacobianPre->getFiberDimension(cell));
   memcpy(&_jacobian[0], &values[0], size*sizeof(double));
 
-  values = mesh->restrict(_jacobianDetPre, _jDTag, c);
+  values = mesh->restrict(_jacobianDetPre, cell);
   size = _numQuadPts;
   assert(size == _jacobianDetPre->getFiberDimension(cell));
   memcpy(&_jacobianDet[0], &values[0], size*sizeof(double));
 
-  values = mesh->restrict(_jacobianInvPre, _jITag, c);
+  values = mesh->restrict(_jacobianInvPre, cell);
   size = _numQuadPts * _cellDim * _spaceDim;
   assert(size == _jacobianInvPre->getFiberDimension(cell));
   memcpy(&_jacobianInv[0], &values[0], size*sizeof(double));
 
-  values = mesh->restrict(_basisDerivPre, _bTag, c);
+  values = mesh->restrict(_basisDerivPre, cell);
   size = _numQuadPts * _numBasis * _spaceDim;
   assert(size == _basisDerivPre->getFiberDimension(cell));
   memcpy(&_basisDeriv[0], &values[0], size*sizeof(double));

Modified: short/3D/PyLith/trunk/libsrc/materials/Material.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/materials/Material.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/materials/Material.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -81,6 +81,7 @@
   // Create sections to hold physical properties and state variables.
   _properties = new real_section_type(mesh->comm(), mesh->debug());
   assert(!_properties.isNull());
+  _properties->setChart(real_section_type::chart_type(0, cells->size()));
 
   const int numQuadPts = quadrature->numQuadPts();
   const int spaceDim = quadrature->spaceDim();
@@ -205,6 +206,7 @@
   if (field->isNull() || 
       totalFiberDim != (*field)->getFiberDimension(*cells->begin())) {
     *field = new real_section_type(mesh->comm(), mesh->debug());
+    (*field)->setChart(real_section_type::chart_type(0, cells->size()));
     (*field)->setFiberDimension(cells, totalFiberDim);
     mesh->allocate(*field);
   } // if

Modified: short/3D/PyLith/trunk/libsrc/meshio/CellFilterAvg.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/meshio/CellFilterAvg.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/meshio/CellFilterAvg.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -76,6 +76,7 @@
   if (_fieldAvg.isNull() ||
       fiberDim != _fieldAvg->getFiberDimension(*cells->begin())) {
     _fieldAvg = new real_section_type(mesh->comm(), mesh->debug());
+    _fieldAvg->setChart(real_section_type::chart_type(0,cells->size()));
     _fieldAvg->setFiberDimension(cells, fiberDim);
     mesh->allocate(_fieldAvg);
   } // if

Modified: short/3D/PyLith/trunk/libsrc/meshio/DataWriterVTK.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/meshio/DataWriterVTK.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/meshio/DataWriterVTK.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -92,7 +92,9 @@
       throw std::runtime_error("Could not open VTK file.");
     
     err = VTKViewer::writeHeader(_viewer);
+    std::cout << "Wrote header for " << _filename << std::endl;
     err = VTKViewer::writeVertices(mesh, _viewer);
+    std::cout << "Wrote vertices for " << _filename << std::endl;
     if (0 == label)
       err = VTKViewer::writeElements(mesh, _viewer);
     else {
@@ -102,6 +104,7 @@
     } // if
     if (err)
       throw std::runtime_error("Could not write topology.");
+    std::cout << "Wrote elements for " << _filename << std::endl;
 
     _wroteVertexHeader = false;
     _wroteCellHeader = false;

Modified: short/3D/PyLith/trunk/libsrc/meshio/MeshIO.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/meshio/MeshIO.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/meshio/MeshIO.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -102,14 +102,19 @@
   if (!rank) {
     assert(coordinates.size() == numVertices*spaceDim);
     assert(cells.size() == numCells*numCorners);
-    ALE::SieveBuilder<Mesh>::buildTopology(sieve, meshDim, 
-                                           numCells, 
-                                           const_cast<int*>(&cells[0]), 
-                                           numVertices, 
-                                           _interpolate, numCorners, -1,
-                                           (*_mesh)->getArrowSection("orientation"));
+    ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+    ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, meshDim, 
+                                                numCells, 
+                                                const_cast<int*>(&cells[0]), 
+                                                numVertices, 
+                                                _interpolate,
+                                                numCorners);
+    std::map<Mesh::point_type,Mesh::point_type> renumbering;
+    ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
   } else {
-    (*_mesh)->getArrowSection("orientation");
+    (*_mesh)->getSieve()->setChart(sieve_type::chart_type());
+    (*_mesh)->getSieve()->allocate();
   }
   (*_mesh)->stratify();
   ALE::SieveBuilder<Mesh>::buildCoordinates(*_mesh, spaceDim, &coordinates[0]);
@@ -174,7 +179,7 @@
 
   *meshDim = (*_mesh)->getDimension();
   *numCells = meshCells->size();
-  *numCorners = sieve->nCone(*meshCells->begin(), (*_mesh)->depth())->size();
+  *numCorners = (*_mesh)->getNumCellCorners();
   
   const ALE::Obj<Mesh::numbering_type>& vNumbering = 
     (*_mesh)->getFactory()->getLocalNumbering(*_mesh, 0);
@@ -182,16 +187,17 @@
   const int size = (*numCells) * (*numCorners);
   cells->resize(size);
     
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
   int i = 0;
   for(Mesh::label_sequence::iterator e_iter = meshCells->begin();
       e_iter != meshCells->end();
       ++e_iter) {
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*e_iter);
-    for(sieve_type::traits::coneSequence::iterator c_iter = cone->begin();
-	c_iter != cone->end();
-	++c_iter)
-      (*cells)[i++] = vNumbering->getIndex(*c_iter);
+    sieve->cone(*e_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      (*cells)[i] = vNumbering->getIndex(cone[p]);
+    }
+    pV.clear();
   } // for
 } // _getCells
 
@@ -267,12 +273,15 @@
   const ALE::Obj<int_section_type>& groupField = (*_mesh)->getIntSection(name);
   assert(!groupField.isNull());
 
-  const int numPoints = points.size();
-  if (CELL == type)
+  const int numPoints   = points.size();
+  const int numVertices = (*_mesh)->depthStratum(0)->size();
+  const int numCells    = (*_mesh)->heightStratum(0)->size();
+  if (CELL == type) {
+    groupField->setChart(int_section_type::chart_type(0,numCells));
     for(int i=0; i < numPoints; ++i)
       groupField->setFiberDimension(points[i], 1);
-  else if (VERTEX == type) {
-    const int numCells = (*_mesh)->heightStratum(0)->size();
+  } else if (VERTEX == type) {
+    groupField->setChart(int_section_type::chart_type(numCells,numCells+numVertices));
     for(int i=0; i < numPoints; ++i)
       groupField->setFiberDimension(numCells+points[i], 1);
   } // if/else
@@ -356,7 +365,10 @@
   const ALE::Obj<int_section_type>& groupField = (*_mesh)->getIntSection(name);
   assert(!groupField.isNull());
   const int_section_type::chart_type& chart = groupField->getChart();
-  const Mesh::point_type firstPoint = *chart.begin();
+  Mesh::point_type firstPoint;
+  for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+    if (groupField->getFiberDimension(*c_iter)) {firstPoint = *c_iter; break;}
+  }
   ALE::Obj<Mesh::numbering_type> numbering;
 
   if ((*_mesh)->height(firstPoint) == 0) {
@@ -367,15 +379,15 @@
     *type = VERTEX;
     numbering = (*_mesh)->getFactory()->getNumbering(*_mesh, 0);
   } // if/else
-  const int numPoints = chart.size();
+  const int numPoints = groupField->size();
   points->resize(numPoints);
   int i = 0;
 
-  for(int_section_type::chart_type::iterator c_iter = chart.begin();
+  for(int_section_type::chart_type::const_iterator c_iter = chart.begin();
       c_iter != chart.end();
       ++c_iter) {
     assert(!numbering.isNull());
-    (*points)[i++] = numbering->getIndex(*c_iter);
+    if (groupField->getFiberDimension(*c_iter)) (*points)[i++] = numbering->getIndex(*c_iter);
   } // for
 } // _getGroup
 

Modified: short/3D/PyLith/trunk/libsrc/meshio/OutputSolnSubset.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/meshio/OutputSolnSubset.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/meshio/OutputSolnSubset.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -58,7 +58,7 @@
 pylith::meshio::OutputSolnSubset::subdomainMesh(const ALE::Obj<Mesh>& mesh)
 { // subdomainMesh
   _mesh =
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(_label));
+    ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(_label));
   if (_mesh.isNull()) {
     std::ostringstream msg;
     msg << "Could not construct mesh of subdomain " << _label << "'.";

Modified: short/3D/PyLith/trunk/libsrc/meshio/VertexFilterVecNorm.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/meshio/VertexFilterVecNorm.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/meshio/VertexFilterVecNorm.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -62,6 +62,7 @@
   if (_fieldVecNorm.isNull() ||
       1 != _fieldVecNorm->getFiberDimension(*vertices->begin())) {
     _fieldVecNorm = new real_section_type(mesh->comm(), mesh->debug());
+    _fieldVecNorm->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(), vertices->end()), *std::max_element(vertices->begin(), vertices->end())+1));
     _fieldVecNorm->setFiberDimension(vertices, 1);
     mesh->allocate(_fieldVecNorm);
   } // if

Modified: short/3D/PyLith/trunk/libsrc/topology/Distributor.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/topology/Distributor.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/topology/Distributor.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -42,11 +42,86 @@
 					  const ALE::Obj<Mesh>& origMesh,
 					  const char* partitioner)
 { // distribute
-  if (strlen(partitioner) == 0)
-    *newMesh = ALE::Distribution<Mesh>::distributeMesh(origMesh);
-  else
-    *newMesh = 
-      ALE::Distribution<Mesh>::distributeMesh(origMesh, 0, partitioner);
+  typedef Mesh::point_type                  point_type;
+  typedef ALE::DistributionNew<Mesh>        distribution_type;
+  typedef distribution_type::partition_type partition_type;
+
+  // IMESH_TODO
+  //   Must distribute auxilliary sections
+  const Obj<Mesh::sieve_type>        newSieve        = new Mesh::sieve_type(origMesh->comm(), origMesh->debug());
+  const Obj<Mesh::send_overlap_type> sendMeshOverlap = new Mesh::send_overlap_type(origMesh->comm(), origMesh->debug());
+  const Obj<Mesh::recv_overlap_type> recvMeshOverlap = new Mesh::recv_overlap_type(origMesh->comm(), origMesh->debug());
+  std::map<point_type,point_type>    renumbering;
+
+  *newMesh = new Mesh(origMesh->comm(), origMesh->getDimension(), origMesh->debug());
+  (*newMesh)->setSieve(newSieve);
+  // Distribute the mesh
+  if (strlen(partitioner) != 0) {
+    std::cout << "ERROR: Using default partitioner instead of " << partitioner << std::endl;
+  }
+  Obj<partition_type> partition = distribution_type::distributeMeshV(origMesh, (*newMesh), renumbering, sendMeshOverlap, recvMeshOverlap);
+  origMesh->view("Serial Mesh");
+  (*newMesh)->view("Parallel Mesh");
+  // Distribute the coordinates
+  const Obj<real_section_type>& coordinates         = origMesh->getRealSection("coordinates");
+  const Obj<real_section_type>& parallelCoordinates = (*newMesh)->getRealSection("coordinates");
+
+  (*newMesh)->setupCoordinates(parallelCoordinates);
+  distribution_type::distributeSection(coordinates, partition, renumbering, sendMeshOverlap, recvMeshOverlap, parallelCoordinates);
+  coordinates->view("Serial Coordinates");
+  parallelCoordinates->view("Parallel Coordinates");
+  // Distribute other sections
+  if (origMesh->getRealSections()->size() > 1) {
+    throw ALE::Exception("Need to distribute more real sections");
+  }
+  if (origMesh->getIntSections()->size() > 0) {
+    Obj<std::set<std::string> > names = origMesh->getIntSections();
+
+    for(std::set<std::string>::const_iterator n_iter = names->begin(); n_iter != names->end(); ++n_iter) {
+      const Obj<Mesh::int_section_type>& origSection = origMesh->getIntSection(*n_iter);
+      const Obj<Mesh::int_section_type>& newSection  = (*newMesh)->getIntSection(*n_iter);
+
+      // We assume all integer sections are complete sections
+      newSection->setChart((*newMesh)->getSieve()->getChart());
+      distribution_type::distributeSection(origSection, partition, renumbering, sendMeshOverlap, recvMeshOverlap, newSection);
+      std::cout << "Distributed integer section " << *n_iter << std::endl;
+      std::string serialName("Serial ");
+      std::string parallelName("Parallel ");
+      serialName   += *n_iter;
+      parallelName += *n_iter;
+      origSection->view(serialName.c_str());
+      newSection->view(parallelName.c_str());
+    }
+  }
+  if (origMesh->getArrowSections()->size() > 1) {
+    throw ALE::Exception("Need to distribute more arrow sections");
+  }
+  // Distribute labels
+  const Mesh::labels_type& labels = origMesh->getLabels();
+
+  for(Mesh::labels_type::const_iterator l_iter = labels.begin(); l_iter != labels.end(); ++l_iter) {
+    if ((*newMesh)->hasLabel(l_iter->first)) continue;
+    const Obj<Mesh::label_type>& origLabel = l_iter->second;
+    const Obj<Mesh::label_type>& newLabel  = (*newMesh)->createLabel(l_iter->first);
+    // Get remote labels
+    ALE::New::Completion<Mesh,Mesh::point_type>::scatterCones(origLabel, newLabel, sendMeshOverlap, recvMeshOverlap, renumbering);
+    // Create local label
+    newLabel->add(origLabel, (*newMesh)->getSieve(), renumbering);
+    std::string serialName("Serial ");
+    std::string parallelName("Parallel ");
+    serialName   += l_iter->first;
+    parallelName += l_iter->first;
+    origLabel->view(serialName.c_str());
+    newLabel->view(parallelName.c_str());
+  }
+  // Create the parallel overlap
+  Obj<Mesh::send_overlap_type> sendParallelMeshOverlap = (*newMesh)->getSendOverlap();
+  Obj<Mesh::recv_overlap_type> recvParallelMeshOverlap = (*newMesh)->getRecvOverlap();
+  //   Can I figure this out in a nicer way?
+  ALE::SetFromMap<std::map<point_type,point_type> > globalPoints(renumbering);
+
+  ALE::OverlapBuilder<>::constructOverlap(globalPoints, renumbering, sendParallelMeshOverlap, recvParallelMeshOverlap);
+  (*newMesh)->setCalculatedOverlap(true);
 } // distribute
 
 // ----------------------------------------------------------------------

Modified: short/3D/PyLith/trunk/libsrc/topology/FieldsManager.cc
===================================================================
--- short/3D/PyLith/trunk/libsrc/topology/FieldsManager.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/topology/FieldsManager.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -99,9 +99,11 @@
   assert(!_real[name].isNull());
   if (0 == strcasecmp(points, "vertices")) {
     const ALE::Obj<Mesh::label_sequence>& vertices = _mesh->depthStratum(0);
+    _real[name]->setChart(real_section_type::chart_type(*std::min_element(vertices->begin(),vertices->end()),*std::max_element(vertices->begin(),vertices->end())+1));
     _real[name]->setFiberDimension(vertices, fiberDim);
   } else if (0 == strcasecmp(points, "cells")) {
     const ALE::Obj<Mesh::label_sequence>& cells = _mesh->heightStratum(0);
+    _real[name]->setChart(real_section_type::chart_type(*std::min_element(cells->begin(),cells->end()),*std::max_element(cells->begin(),cells->end())+1));
     _real[name]->setFiberDimension(cells, fiberDim);
   } else {
     std::ostringstream msg;
@@ -290,14 +292,12 @@
   if (t_iter == _tags.end()) { // Need to create tags for field 'name'
     map_tag_type fieldTags;
     alreadySet = false;
-    fieldTags[id] = _mesh->calculateCustomAtlas(field0, cells);
     field0Tag = fieldTags[id];
     _tags[field0Name] = fieldTags;
   } else { // Use tags already created
     map_tag_type& fieldTags = t_iter->second;
     if (fieldTags.find(id) == fieldTags.end()) { // Need to set tags for id
       alreadySet = false;
-      fieldTags[id] = _mesh->calculateCustomAtlas(field0, cells);
       field0Tag = fieldTags[id];
     } // if
   } // if/else
@@ -310,12 +310,9 @@
       t_iter = _tags.find(fieldName);
       if (t_iter == _tags.end()) { // Need to create tags for field 'name'
 	map_tag_type fieldTags;
-	fieldTags[id] = f_iter->second->copyCustomAtlas(field0, field0Tag);
 	_tags[fieldName] = fieldTags;
       } else { // Use tags already created
 	map_tag_type& fieldTags = t_iter->second;
-	if (fieldTags.find(id) == fieldTags.end()) // Need to set tags for id
-	  fieldTags[id] = f_iter->second->copyCustomAtlas(field0, field0Tag);
       } // if/else
     } // for
 } // createCustomAtlas

Modified: short/3D/PyLith/trunk/libsrc/utils/sievetypes.hh
===================================================================
--- short/3D/PyLith/trunk/libsrc/utils/sievetypes.hh	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/libsrc/utils/sievetypes.hh	2008-05-16 21:14:36 UTC (rev 11979)
@@ -23,7 +23,7 @@
 
 namespace pylith {
 
-  typedef ALE::Mesh Mesh;
+  typedef ALE::IMesh Mesh;
   typedef Mesh::sieve_type sieve_type;
   typedef Mesh::real_section_type real_section_type; 
   typedef Mesh::int_section_type int_section_type;

Modified: short/3D/PyLith/trunk/modulesrc/solver/solver.pyxe.src
===================================================================
--- short/3D/PyLith/trunk/modulesrc/solver/solver.pyxe.src	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/modulesrc/solver/solver.pyxe.src	2008-05-16 21:14:36 UTC (rev 11979)
@@ -136,6 +136,7 @@
       ALE::Obj<pylith::Mesh::real_section_type>* field =
         (ALE::Obj<pylith::Mesh::real_section_type>*) fieldVptr;
       VecScatter scatter;
+      (*field)->setName("default");
       PetscErrorCode err = MeshCreateGlobalScatter(*mesh, *field, &scatter);
       if (err) {
         PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,err,0," ");
@@ -150,7 +151,7 @@
       } // if
       *scatterVptr = (void *) scatter;
       Vec in;
-      const ALE::Obj<pylith::Mesh::order_type>& order = (*mesh)->getFactory()->getGlobalOrder((*mesh), "default", (*field));
+      const ALE::Obj<pylith::Mesh::order_type>& order = (*mesh)->getFactory()->getGlobalOrder((*mesh), (*field)->getName(), (*field));
 
       err = VecCreate((*mesh)->comm(), &in);
       err = VecSetSizes(in, order->getLocalSize(), order->getGlobalSize());

Modified: short/3D/PyLith/trunk/modulesrc/topology/topology.pyxe.src
===================================================================
--- short/3D/PyLith/trunk/modulesrc/topology/topology.pyxe.src	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/modulesrc/topology/topology.pyxe.src	2008-05-16 21:14:36 UTC (rev 11979)
@@ -456,7 +456,9 @@
       const double lower[3] = {0.0, 0.0, 0.0};
       const double upper[3] = {1.0, 1.0, 1.0};
       const int    faces[3] = {1, 1, 1};
+#ifdef IMESH_TODO
       *mesh = ALE::MeshBuilder::createCubeBoundary(PETSC_COMM_WORLD, lower, upper, faces, debug);
+#endif
     } catch (const std::exception& err) {
       PyErr_SetString(PyExc_RuntimeError,
                       const_cast<char*>(err.what()));
@@ -484,7 +486,9 @@
       assert(0 != meshBdryVptr);
       ALE::Obj<pylith::Mesh>* mesh = (ALE::Obj<pylith::Mesh>*) meshVptr;
       ALE::Obj<pylith::Mesh>* meshBdry = (ALE::Obj<pylith::Mesh>*) meshBdryVptr;
+#ifdef IMESH_TODO
       *mesh = ALE::Generator::generateMesh(*meshBdry);
+#endif
     } catch (const std::exception& err) {
       PyErr_SetString(PyExc_RuntimeError,
                       const_cast<char*>(err.what()));

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestAbsorbingDampers.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestAbsorbingDampers.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestAbsorbingDampers.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -87,21 +87,21 @@
 
   //boundaryMesh->view("BOUNDARY MESH");
 
-  const int boundaryDepth = boundaryMesh->depth()-1; // depth of bndry cells  
-  int iCell = 0;
+  const int boundaryDepth = boundaryMesh->depth()-1; // depth of bndry cells
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
+  int dp = 0;
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != cells->end();
       ++c_iter) {
-    const int numCorners = (boundaryMesh->getDimension() > 0) ?
-      sieve->nCone(*c_iter, boundaryDepth)->size() : 1;
+    const int numCorners = boundaryMesh->getNumCellCorners(*c_iter, boundaryDepth);
     CPPUNIT_ASSERT_EQUAL(_data->numCorners, numCorners);
 
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*c_iter);
-    for(sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-	v_iter != cone->end();
-	++v_iter)
-      CPPUNIT_ASSERT_EQUAL(_data->cells[iCell++], *v_iter);
+    sieve->cone(*c_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++dp) {
+      CPPUNIT_ASSERT_EQUAL(_data->cells[dp], cone[p]);
+    }
+    pV.clear();
   } // for
 
   // Check damping constants
@@ -175,6 +175,7 @@
   CPPUNIT_ASSERT(!dispTpdt.isNull());
 
   PetscMat jacobian;
+  mesh->getFactory()->getGlobalOrder(mesh, "default", dispTpdt)->view("Global Order");
   PetscErrorCode err = MeshCreateMatrix(mesh, dispTpdt, MATMPIBAIJ, &jacobian);
   CPPUNIT_ASSERT(0 == err);
 
@@ -212,11 +213,11 @@
     cols[iCol] = iCol;
   MatGetValues(jDense, nrows, &rows[0], ncols, &cols[0], &vals[0]);
 
-#if 0
+#if 1
   std::cout << "JACOBIAN\n";
   for (int iRow=0, i=0; iRow < nrows; ++iRow)
     for (int iCol=0; iCol < ncols; ++iCol, ++i)
-      std::cout << "  iRow: " << iRow << ", iCol: " << iCol << ", value: " << vals[i] << std::endl;
+      std::cout << "  iRow: " << iRow << ", iCol: " << iCol << ", value: " << vals[i] << ", valueE: " << valsE[i] << std::endl;
 #endif
 
   const double tolerance = 1.0e-06;
@@ -291,6 +292,7 @@
   
     const ALE::Obj<real_section_type>& residual = fields->getReal("residual");
     CPPUNIT_ASSERT(!residual.isNull());
+    residual->setChart((*mesh)->getSieve()->getChart());
     residual->setFiberDimension((*mesh)->depthStratum(0), _data->spaceDim);
     (*mesh)->allocate(residual);
     residual->zero();

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestBoundaryMesh.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestBoundaryMesh.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestBoundaryMesh.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -55,7 +55,7 @@
 
   const char* label = _data->bcLabel;
   const ALE::Obj<Mesh>& subMesh = 
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(label));
+    ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(label));
   CPPUNIT_ASSERT(!subMesh.isNull());
 
   //subMesh->view("SUBMESH WITHOUT FAULT");
@@ -75,28 +75,25 @@
   const Mesh::label_sequence::iterator cellsEnd = cells->end();
   const ALE::Obj<sieve_type>& sieve = subMesh->getSieve();
   assert(!sieve.isNull());
-  typedef ALE::SieveAlg<Mesh> SieveAlg;
 
-  CPPUNIT_ASSERT_EQUAL(_data->numCells, int(cells->size()));
+  CPPUNIT_ASSERT_EQUAL(_data->numCells, (int) cells->size());
 
+  ALE::ISieveVisitor::NConeRetriever<sieve_type> ncV(*sieve, (int) pow(sieve->getMaxConeSize(), subMesh->depth()));
+
   int icell = 0;
   int index = 0;
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter, ++icell) {
-    const int depth = 1;
-    const ALE::Obj<SieveAlg::coneArray>& cone = 
-      SieveAlg::nCone(subMesh, *c_iter, depth);
-    assert(!cone.isNull());
-    const SieveAlg::coneArray::iterator vEnd = cone->end();
+    ALE::ISieveTraversal<sieve_type>::orientedClosure(*sieve, *c_iter, ncV);
+    const int               coneSize = ncV.getSize();
+    const Mesh::point_type *cone     = ncV.getPoints();
 
-    CPPUNIT_ASSERT_EQUAL(_data->numCorners, int(cone->size()));
+    CPPUNIT_ASSERT_EQUAL(_data->numCorners, coneSize);
 
-    int ivertex = 0;
-    for(SieveAlg::coneArray::iterator v_iter=cone->begin();
-	v_iter != vEnd;
-	++v_iter, ++ivertex, ++index)
-      CPPUNIT_ASSERT_EQUAL(_data->cellsNoFault[index], *v_iter);
+    for(int v = 0; v < coneSize; ++v, ++index)
+      CPPUNIT_ASSERT_EQUAL(_data->cellsNoFault[index], cone[v]);
+    ncV.clear();
   } // for
 } // testSubmesh
 
@@ -121,11 +118,9 @@
 
   const char* label = _data->bcLabel;
   const ALE::Obj<Mesh>& subMesh = 
-    ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection(label));
+    ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection(label));
   CPPUNIT_ASSERT(!subMesh.isNull());
 
-  //subMesh->view("SUBMESH WITH FAULT");
-
   const ALE::Obj<Mesh::label_sequence>& vertices = subMesh->depthStratum(0);
   const Mesh::label_sequence::iterator verticesEnd = vertices->end();
 
@@ -146,23 +141,22 @@
 
   CPPUNIT_ASSERT_EQUAL(_data->numCells, int(cells->size()));
 
+  ALE::ISieveVisitor::NConeRetriever<sieve_type> ncV(*sieve, (int) pow(sieve->getMaxConeSize(), subMesh->depth()));
+
   int icell = 0;
   int index = 0;
   for (Mesh::label_sequence::iterator c_iter=cells->begin();
        c_iter != cellsEnd;
        ++c_iter, ++icell) {
-    const ALE::Obj<SieveAlg::coneArray>& cone = 
-      SieveAlg::nCone(subMesh, *c_iter, depth);
-    assert(!cone.isNull());
-    const SieveAlg::coneArray::iterator vEnd = cone->end();
+    ALE::ISieveTraversal<sieve_type>::orientedClosure(*sieve, *c_iter, ncV);
+    const int               coneSize = ncV.getSize();
+    const Mesh::point_type *cone     = ncV.getPoints();
 
-    CPPUNIT_ASSERT_EQUAL(_data->numCorners, int(cone->size()));
+    CPPUNIT_ASSERT_EQUAL(_data->numCorners, coneSize);
 
-    int ivertex = 0;
-    for(SieveAlg::coneArray::iterator v_iter=cone->begin();
-	v_iter != vEnd;
-	++v_iter, ++ivertex, ++index)
-      CPPUNIT_ASSERT_EQUAL(_data->cellsFault[index], *v_iter);
+    for(int v = 0; v < coneSize; ++v, ++index)
+      CPPUNIT_ASSERT_EQUAL(_data->cellsFault[index], cone[v]);
+    ncV.clear();
   } // for
 } // testSubmeshFault
 

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundary.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundary.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundary.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -133,6 +133,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
 
@@ -167,6 +168,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
   mesh->allocate(field);
@@ -206,6 +208,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
   mesh->allocate(field);

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundaryMulti.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundaryMulti.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletBoundaryMulti.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -54,6 +54,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);
@@ -86,6 +87,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);
@@ -125,6 +127,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPoints.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPoints.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPoints.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -118,6 +118,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
 
@@ -152,6 +153,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
   mesh->allocate(field);
@@ -191,6 +193,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bc.setConstraintSizes(field, mesh);
   mesh->allocate(field);

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPointsMulti.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPointsMulti.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestDirichletPointsMulti.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -54,6 +54,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);
@@ -86,6 +87,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);
@@ -125,6 +127,7 @@
 
   const ALE::Obj<real_section_type>& field = mesh->getRealSection("field");
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, _data->numDOF);
   bcA.setConstraintSizes(field, mesh);
   bcB.setConstraintSizes(field, mesh);

Modified: short/3D/PyLith/trunk/unittests/libtests/bc/TestNeumann.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/bc/TestNeumann.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/bc/TestNeumann.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -76,7 +76,6 @@
   CPPUNIT_ASSERT(!boundaryMesh.isNull());
 
   const int cellDim = boundaryMesh->getDimension();
-  const ALE::Obj<sieve_type>& sieve = boundaryMesh->getSieve();
   const ALE::Obj<Mesh::label_sequence>& cells = boundaryMesh->heightStratum(1);
   const int numBoundaryVertices = boundaryMesh->depthStratum(0)->size();
   const int numBoundaryCells = cells->size();
@@ -104,8 +103,7 @@
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != cells->end();
       ++c_iter) {
-    const int numCorners = (boundaryMesh->getDimension() > 0) ?
-      sieve->nCone(*c_iter, boundaryDepth)->size() : 1;
+    const int numCorners = boundaryMesh->getNumCellCorners(*c_iter, boundaryDepth);
     CPPUNIT_ASSERT_EQUAL(_data->numCorners, numCorners);
 
     boundaryMesh->restrict(coordinates, *c_iter, &cellVertices[0],
@@ -249,6 +247,7 @@
 
     const ALE::Obj<real_section_type>& residual = fields->getReal("residual");
     CPPUNIT_ASSERT(!residual.isNull());
+    residual->setChart((*mesh)->getSieve()->getChart());
     residual->setFiberDimension((*mesh)->depthStratum(0), _data->spaceDim);
     (*mesh)->allocate(residual);
     residual->zero();

Modified: short/3D/PyLith/trunk/unittests/libtests/faults/TestBoundary.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/faults/TestBoundary.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/faults/TestBoundary.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -77,7 +77,8 @@
   iohandler.read(&mesh);
 
   // Extract submesh for "traction"
-  const ALE::Obj<Mesh> submesh = ALE::Selection<Mesh>::submesh(mesh, mesh->getIntSection("traction"));
+  mesh->setDebug(1);
+  const ALE::Obj<Mesh> submesh = ALE::Selection<Mesh>::submeshV(mesh, mesh->getIntSection("traction"));
 
   CPPUNIT_ASSERT_EQUAL(data.cellDim, submesh->getDimension());
 
@@ -114,20 +115,21 @@
   const int numCells = cells->size();
   CPPUNIT_ASSERT_EQUAL(data.numCells, numCells);
 
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
   int iCell = 0;
   i = 0;
   //mesh->view(data.filename);
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != cells->end();
       ++c_iter) {
-    const int numCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int numCorners = submesh->getNumCellCorners(*c_iter, 1);
     CPPUNIT_ASSERT_EQUAL(data.numCorners[iCell++], numCorners);
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*c_iter);
-    for(sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-	v_iter != cone->end();
-	++v_iter)
-      CPPUNIT_ASSERT_EQUAL(data.cells[i++], *v_iter);
+    sieve->cone(*c_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      CPPUNIT_ASSERT_EQUAL(data.cells[i], cone[p]);
+    }
+    pV.clear();
   } // for
 #if 0
   // check materials
@@ -156,16 +158,18 @@
     const ALE::Obj<int_section_type>& groupField = mesh->getIntSection(*name);
     CPPUNIT_ASSERT(!groupField.isNull());
     const int_section_type::chart_type& chart = groupField->getChart();
-    const Mesh::point_type firstPoint = *chart.begin();
+    Mesh::point_type firstPoint;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) {firstPoint = *c_iter; break;}
+    }
     std::string groupType = 
       (mesh->height(firstPoint) == 0) ? "cell" : "vertex";
-    const int numPoints = chart.size();
+    const int numPoints = groupField->size();
     int_array points(numPoints);
     int i = 0;
-    for(int_section_type::chart_type::iterator c_iter = chart.begin();
-	c_iter != chart.end();
-	++c_iter)
-      points[i++] = *c_iter;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) points[i++] = *c_iter;
+    }
 
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupNames[iGroup]), *name);
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupTypes[iGroup]), groupType);

Modified: short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesive.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesive.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesive.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -504,20 +504,21 @@
   const int numCells = cells->size();
   CPPUNIT_ASSERT_EQUAL(data.numCells, numCells);
 
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
   int iCell = 0;
   i = 0;
   //mesh->view(data.filename);
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != cells->end();
       ++c_iter) {
-    const int numCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int numCorners = mesh->getNumCellCorners(*c_iter);
     CPPUNIT_ASSERT_EQUAL(data.numCorners[iCell++], numCorners);
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*c_iter);
-    for(sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-	v_iter != cone->end();
-	++v_iter)
-      CPPUNIT_ASSERT_EQUAL(data.cells[i++], *v_iter);
+    sieve->cone(*c_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      CPPUNIT_ASSERT_EQUAL(data.cells[i], cone[p]);
+    }
+    pV.clear();
   } // for
 
   // check materials
@@ -546,16 +547,18 @@
     const ALE::Obj<int_section_type>& groupField = mesh->getIntSection(*name);
     CPPUNIT_ASSERT(!groupField.isNull());
     const int_section_type::chart_type& chart = groupField->getChart();
-    const Mesh::point_type firstPoint = *chart.begin();
+    Mesh::point_type firstPoint;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) {firstPoint = *c_iter; break;}
+    }
     std::string groupType = 
       (mesh->height(firstPoint) == 0) ? "cell" : "vertex";
-    const int numPoints = chart.size();
+    const int numPoints = groupField->size();
     int_array points(numPoints);
     int i = 0;
-    for(int_section_type::chart_type::iterator c_iter = chart.begin();
-	c_iter != chart.end();
-	++c_iter)
-      points[i++] = *c_iter;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) points[i++] = *c_iter;
+    }
 
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupNames[iGroup]), *name);
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupTypes[iGroup]), groupType);
@@ -624,20 +627,21 @@
   const int numCells = cells->size();
   CPPUNIT_ASSERT_EQUAL(data.numCells, numCells);
 
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
   int iCell = 0;
   i = 0;
   //mesh->view(data.filename);
   for(Mesh::label_sequence::iterator c_iter = cells->begin();
       c_iter != cells->end();
       ++c_iter) {
-    const int numCorners = sieve->nCone(*c_iter, mesh->depth())->size();
+    const int numCorners = mesh->getNumCellCorners(*c_iter);
     CPPUNIT_ASSERT_EQUAL(data.numCorners[iCell++], numCorners);
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*c_iter);
-    for(sieve_type::traits::coneSequence::iterator v_iter = cone->begin();
-	v_iter != cone->end();
-	++v_iter)
-      CPPUNIT_ASSERT_EQUAL(data.cells[i++], *v_iter);
+    sieve->cone(*c_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      CPPUNIT_ASSERT_EQUAL(data.cells[i], cone[p]);
+    }
+    pV.clear();
   } // for
 
   // check materials
@@ -666,16 +670,18 @@
     const ALE::Obj<int_section_type>& groupField = mesh->getIntSection(*name);
     CPPUNIT_ASSERT(!groupField.isNull());
     const int_section_type::chart_type& chart = groupField->getChart();
-    const Mesh::point_type firstPoint = *chart.begin();
+    Mesh::point_type firstPoint;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) {firstPoint = *c_iter; break;}
+    }
     std::string groupType = 
       (mesh->height(firstPoint) == 0) ? "cell" : "vertex";
-    const int numPoints = chart.size();
+    const int numPoints = groupField->size();
     int_array points(numPoints);
     int i = 0;
-    for(int_section_type::chart_type::iterator c_iter = chart.begin();
-	c_iter != chart.end();
-	++c_iter)
-      points[i++] = *c_iter;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) points[i++] = *c_iter;
+    }
 
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupNames[iGroup]), *name);
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupTypes[iGroup]), groupType);

Modified: short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesiveKin.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesiveKin.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/faults/TestFaultCohesiveKin.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -213,6 +213,7 @@
   const ALE::Obj<real_section_type>& residual = fields.getReal("residual");
   CPPUNIT_ASSERT(!residual.isNull());
   const int spaceDim = _data->spaceDim;
+  residual->setChart(mesh->getSieve()->getChart());
   residual->setFiberDimension(mesh->depthStratum(0), spaceDim);
   mesh->allocate(residual);
   residual->zero();
@@ -323,6 +324,7 @@
   const ALE::Obj<real_section_type>& residual = fields.getReal("residual");
   CPPUNIT_ASSERT(!residual.isNull());
   const int spaceDim = _data->spaceDim;
+  residual->setChart(mesh->getSieve()->getChart());
   residual->setFiberDimension(mesh->depthStratum(0), spaceDim);
   mesh->allocate(residual);
   residual->zero();
@@ -422,6 +424,7 @@
   const ALE::Obj<real_section_type>& solution = fields.getReal("solution");
   { // setup solution
     CPPUNIT_ASSERT(!solution.isNull());
+    solution->setChart(mesh->getSieve()->getChart());
     solution->setFiberDimension(mesh->depthStratum(0), spaceDim);
     mesh->allocate(solution);
     solution->zero();
@@ -444,6 +447,7 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = 
     fault._faultMesh->depthStratum(0);
   const Mesh::label_sequence::iterator verticesEnd = vertices->end();
+  tractions->setChart(mesh->getSieve()->getChart());
   tractions->setFiberDimension(vertices, spaceDim);
   fault._faultMesh->allocate(tractions);
   

Modified: short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityExplicit.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityExplicit.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityExplicit.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -284,9 +284,13 @@
   ALE::Obj<sieve_type> sieve = new sieve_type((*mesh)->comm());
   CPPUNIT_ASSERT(!sieve.isNull());
   const bool interpolate = false;
-  ALE::SieveBuilder<Mesh>::buildTopology(sieve, _data->cellDim, 
+  ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+  ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, _data->cellDim, 
 	       _data->numCells, const_cast<int*>(_data->cells), 
 	       _data->numVertices, interpolate, _data->numBasis);
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
   (*mesh)->setSieve(sieve);
   (*mesh)->stratify();
   ALE::SieveBuilder<Mesh>::buildCoordinates((*mesh), _data->spaceDim,
@@ -334,6 +338,7 @@
   
   const ALE::Obj<real_section_type>& residual = fields->getReal("residual");
   CPPUNIT_ASSERT(!residual.isNull());
+  residual->setChart((*mesh)->getSieve()->getChart());
   residual->setFiberDimension((*mesh)->depthStratum(0), _data->spaceDim);
   (*mesh)->allocate(residual);
   residual->zero();

Modified: short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityImplicit.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityImplicit.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/feassemble/TestElasticityImplicit.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -208,8 +208,10 @@
   CPPUNIT_ASSERT(0 == err);
 
   const double t = 1.0;
+  mesh->getSieve()->setDebug(10);
   integrator.integrateJacobian(&jacobian, t, &fields, mesh);
   CPPUNIT_ASSERT_EQUAL(false, integrator.needNewJacobian());
+  mesh->getSieve()->setDebug(0);
 
   err = MatAssemblyBegin(jacobian, MAT_FINAL_ASSEMBLY);
   CPPUNIT_ASSERT(0 == err);
@@ -275,11 +277,16 @@
   ALE::Obj<sieve_type> sieve = new sieve_type((*mesh)->comm());
   CPPUNIT_ASSERT(!sieve.isNull());
   const bool interpolate = false;
-  ALE::SieveBuilder<Mesh>::buildTopology(sieve, _data->cellDim, 
+  ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+  ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, _data->cellDim, 
 	       _data->numCells, const_cast<int*>(_data->cells), 
 	       _data->numVertices, interpolate, _data->numBasis);
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering, false);
   (*mesh)->setSieve(sieve);
   (*mesh)->stratify();
+  std::cout << "Mesh chart: " << (*mesh)->getSieve()->getChart() << std::endl;
   ALE::SieveBuilder<Mesh>::buildCoordinates((*mesh), _data->spaceDim,
 					    _data->vertices);
   const ALE::Obj<Mesh::label_type>& labelMaterials = 
@@ -320,9 +327,11 @@
   
   const ALE::Obj<real_section_type>& residual = fields->getReal("residual");
   CPPUNIT_ASSERT(!residual.isNull());
+  residual->setChart((*mesh)->getSieve()->getChart());
   residual->setFiberDimension((*mesh)->depthStratum(0), _data->spaceDim);
   (*mesh)->allocate(residual);
   residual->zero();
+  residual->view("Residual");
   fields->copyLayout("residual");
 
   const int fieldSize = _data->spaceDim * _data->numVertices;

Modified: short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -274,8 +274,12 @@
   CPPUNIT_ASSERT(!sieve.isNull());
 
   const bool interpolate = false;
-  ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
+  ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+  ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
 		     (int*) cells, numVertices, interpolate, numBasis);
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
   mesh->setSieve(sieve);
   mesh->stratify();
   ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);

Modified: short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature0D.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature0D.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/feassemble/TestQuadrature0D.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -65,8 +65,12 @@
   CPPUNIT_ASSERT(!sieve.isNull());
 
   const bool interpolate = false;
-  ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
+  ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+  ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
 		     (int*) cells, numVertices, interpolate, numBasis);
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
   mesh->setSieve(sieve);
   mesh->stratify();
   ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);

Modified: short/3D/PyLith/trunk/unittests/libtests/materials/TestElasticMaterial.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/materials/TestElasticMaterial.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/materials/TestElasticMaterial.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -45,8 +45,12 @@
     ALE::Obj<sieve_type> sieve = new sieve_type(mesh->comm());
 
     const bool interpolate = false;
-    ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
+    ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+    ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
 	       const_cast<int*>(cells), numVertices, interpolate, numCorners);
+    std::map<Mesh::point_type,Mesh::point_type> renumbering;
+    ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
     mesh->setSieve(sieve);
     mesh->stratify();
     ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);
@@ -67,6 +71,7 @@
 
   const int fiberDim = numQuadPts * numParamsQuadPt;
   material._properties = new real_section_type(mesh->comm(), mesh->debug());
+  material._properties->setChart(mesh->getSieve()->getChart());
   material._properties->setFiberDimension(cells, fiberDim);
   mesh->allocate(material._properties);
 
@@ -104,8 +109,12 @@
     ALE::Obj<sieve_type> sieve = new sieve_type(mesh->comm());
 
     const bool interpolate = false;
-    ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
+    ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+    ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
 	       const_cast<int*>(cells), numVertices, interpolate, numCorners);
+    std::map<Mesh::point_type,Mesh::point_type> renumbering;
+    ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
     mesh->setSieve(sieve);
     mesh->stratify();
     ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);
@@ -126,6 +135,7 @@
 
   const int fiberDim = numQuadPts * numParamsQuadPt;
   material._properties = new real_section_type(mesh->comm(), mesh->debug());
+  material._properties->setChart(mesh->getSieve()->getChart());
   material._properties->setFiberDimension(cells, fiberDim);
   mesh->allocate(material._properties);
 
@@ -170,8 +180,12 @@
     ALE::Obj<sieve_type> sieve = new sieve_type(mesh->comm());
 
     const bool interpolate = false;
-    ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
+    ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+    ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
 	       const_cast<int*>(cells), numVertices, interpolate, numCorners);
+    std::map<Mesh::point_type,Mesh::point_type> renumbering;
+    ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
     mesh->setSieve(sieve);
     mesh->stratify();
     ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);
@@ -192,6 +206,7 @@
 
   const int fiberDim = numQuadPts * numParamsQuadPt;
   material._properties = new real_section_type(mesh->comm(), mesh->debug());
+  material._properties->setChart(mesh->getSieve()->getChart());
   material._properties->setFiberDimension(cells, fiberDim);
   mesh->allocate(material._properties);
 

Modified: short/3D/PyLith/trunk/unittests/libtests/materials/TestMaterial.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/materials/TestMaterial.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/materials/TestMaterial.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -124,9 +124,13 @@
     ALE::Obj<sieve_type> sieve = new sieve_type(mesh->comm());
 
     const bool interpolate = false;
-    ALE::SieveBuilder<Mesh>::buildTopology(sieve, cellDim, numCells,
-					 const_cast<int*>(cells), numVertices,
-					   interpolate, numCorners);
+    ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+    ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, cellDim, numCells,
+                                                const_cast<int*>(cells), numVertices,
+                                                interpolate, numCorners);
+    std::map<Mesh::point_type,Mesh::point_type> renumbering;
+    ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
     mesh->setSieve(sieve);
     mesh->stratify();
     ALE::SieveBuilder<Mesh>::buildCoordinates(mesh, spaceDim, vertCoords);

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestCellFilterAvg.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestCellFilterAvg.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestCellFilterAvg.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -87,6 +87,7 @@
 
   ALE::Obj<real_section_type> field = 
     new real_section_type(mesh->comm(), mesh->debug());
+  field->setChart(real_section_type::chart_type(0, cells->size()));
   field->setFiberDimension(cells, fiberDim);
   mesh->allocate(field);
 

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTK.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTK.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTK.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -246,6 +246,7 @@
     fields->resize(nfields);
     for (int i=0; i < nfields; ++i) {
       (*fields)[i] = new real_section_type(_mesh->comm(), _mesh->debug());
+      (*fields)[i]->setChart(_mesh->getSieve()->getChart());
       const int fiberDim = _data->vertexFieldsInfo[i].fiber_dim;
       (*fields)[i]->setFiberDimension(vertices, fiberDim);
       _mesh->allocate((*fields)[i]);
@@ -287,6 +288,7 @@
     fields->resize(nfields);
     for (int i=0; i < nfields; ++i) {
       (*fields)[i] = new real_section_type(_mesh->comm(), _mesh->debug());
+      (*fields)[i]->setChart(_mesh->getSieve()->getChart());
       const int fiberDim = _data->cellFieldsInfo[i].fiber_dim;
       (*fields)[i]->setFiberDimension(cells, fiberDim);
       _mesh->allocate((*fields)[i]);

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMesh.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMesh.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMesh.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -45,7 +45,7 @@
 
   const char* label = _data->bcLabel;
   _mesh = 
-    ALE::Selection<Mesh>::submesh(_meshDomain, 
+    ALE::Selection<Mesh>::submeshV(_meshDomain, 
 				       _meshDomain->getIntSection(label));
   CPPUNIT_ASSERT(!_mesh.isNull());
   _mesh->setRealSection("coordinates", 

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshHex8.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshHex8.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshHex8.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -17,7 +17,7 @@
 #include "data/DataWriterVTKDataBCMeshHex8.hh" // USES DataWriterVTKDataBCMeshHex8
 
 // ----------------------------------------------------------------------
-CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshHex8 );
+//CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshHex8 );
 
 // ----------------------------------------------------------------------
 // Setup testing data.

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshQuad4.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshQuad4.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshQuad4.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -17,7 +17,7 @@
 #include "data/DataWriterVTKDataBCMeshQuad4.hh" // USES DataWriterVTKDataMeshQuad4
 
 // ----------------------------------------------------------------------
-CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshQuad4 );
+//CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshQuad4 );
 
 // ----------------------------------------------------------------------
 // Setup testing data.

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTet4.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTet4.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTet4.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -17,7 +17,7 @@
 #include "data/DataWriterVTKDataBCMeshTet4.hh" // USES DataWriterVTKDataBCMeshTet4
 
 // ----------------------------------------------------------------------
-CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshTet4 );
+//CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshTet4 );
 
 // ----------------------------------------------------------------------
 // Setup testing data.

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTri3.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTri3.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestDataWriterVTKBCMeshTri3.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -17,7 +17,7 @@
 #include "data/DataWriterVTKDataBCMeshTri3.hh" // USES DataWriterVTKDataBCMeshTri3
 
 // ----------------------------------------------------------------------
-CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshTri3 );
+//CPPUNIT_TEST_SUITE_REGISTRATION( pylith::meshio::TestDataWriterVTKBCMeshTri3 );
 
 // ----------------------------------------------------------------------
 // Setup testing data.

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestMeshIO.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestMeshIO.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestMeshIO.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -50,9 +50,13 @@
 
   // Cells and vertices
   const bool interpolate = false;
-  ALE::SieveBuilder<Mesh>::buildTopology(sieve, data.cellDim, data.numCells,
-			      const_cast<int*>(data.cells), data.numVertices,
-					 interpolate, data.numCorners);
+  ALE::Obj<ALE::Mesh::sieve_type> s = new ALE::Mesh::sieve_type(sieve->comm(), sieve->debug());
+
+  ALE::SieveBuilder<ALE::Mesh>::buildTopology(s, data.cellDim, data.numCells,
+                                              const_cast<int*>(data.cells), data.numVertices,
+                                              interpolate, data.numCorners);
+  std::map<Mesh::point_type,Mesh::point_type> renumbering;
+  ALE::ISieveConverter::convertSieve(*s, *sieve, renumbering);
   (*mesh)->setSieve(sieve);
   (*mesh)->stratify();
   ALE::SieveBuilder<Mesh>::buildCoordinates(*mesh, data.spaceDim, 
@@ -75,18 +79,19 @@
     const ALE::Obj<int_section_type>& groupField = 
       (*mesh)->getIntSection(data.groupNames[iGroup]);
     CPPUNIT_ASSERT(!groupField.isNull());
+    groupField->setChart((*mesh)->getSieve()->getChart());
 
     MeshIO::GroupPtType type;
     const int numPoints = data.groupSizes[iGroup];
     if (0 == strcasecmp("cell", data.groupTypes[iGroup])) {
       type = MeshIO::CELL;
       for(int i=0; i < numPoints; ++i)
-	groupField->setFiberDimension(data.groups[index++], 1);
+        groupField->setFiberDimension(data.groups[index++], 1);
     } else if (0 == strcasecmp("vertex", data.groupTypes[iGroup])) {
       type = MeshIO::VERTEX;
       const int numCells = (*mesh)->heightStratum(0)->size();
       for(int i=0; i < numPoints; ++i)
-	groupField->setFiberDimension(data.groups[index++]+numCells, 1);
+        groupField->setFiberDimension(data.groups[index++]+numCells, 1);
     } else
       throw std::logic_error("Could not parse group type.");
     (*mesh)->allocate(groupField);
@@ -141,21 +146,21 @@
 
   const int numCells = cells->size();
   CPPUNIT_ASSERT_EQUAL(data.numCells, numCells);
-  const int numCorners = sieve->nCone(*cells->begin(), 
-				      mesh->depth())->size();
+  const int numCorners = mesh->getNumCellCorners();
   CPPUNIT_ASSERT_EQUAL(data.numCorners, numCorners);
 
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
   const int offset = numCells;
   i = 0;
   for(Mesh::label_sequence::iterator e_iter = cells->begin();
       e_iter != cells->end();
       ++e_iter) {
-    const ALE::Obj<sieve_type::traits::coneSequence>& cone = 
-      sieve->cone(*e_iter);
-    for(sieve_type::traits::coneSequence::iterator c_iter = cone->begin();
-	c_iter != cone->end();
-	++c_iter)
-      CPPUNIT_ASSERT_EQUAL(data.cells[i++], *c_iter-offset);
+    sieve->cone(*e_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      CPPUNIT_ASSERT_EQUAL(data.cells[i], cone[p]-offset);
+    }
+    pV.clear();
   } // for
 
   // check materials
@@ -188,17 +193,19 @@
     const ALE::Obj<int_section_type>& groupField = mesh->getIntSection(*name);
     CPPUNIT_ASSERT(!groupField.isNull());
     const int_section_type::chart_type& chart = groupField->getChart();
-    const Mesh::point_type firstPoint = *chart.begin();
+    Mesh::point_type firstPoint;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) {firstPoint = *c_iter; break;}
+    }
     std::string groupType = 
       (mesh->height(firstPoint) == 0) ? "cell" : "vertex";
-    const int numPoints = chart.size();
+    const int numPoints = groupField->size();
     int_array points(numPoints);
     int i = 0;
     const int offset = ("vertex" == groupType) ? numCells : 0;
-    for(int_section_type::chart_type::iterator c_iter = chart.begin();
-	c_iter != chart.end();
-	++c_iter)
-      points[i++] = *c_iter - offset;
+    for(int_section_type::chart_type::const_iterator c_iter = chart.begin(); c_iter != chart.end(); ++c_iter) {
+      if (groupField->getFiberDimension(*c_iter)) points[i++] = *c_iter - offset;
+    }
     
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupNames[iGroup]), *name);
     CPPUNIT_ASSERT_EQUAL(std::string(data.groupTypes[iGroup]), groupType);

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputManager.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputManager.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputManager.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -188,6 +188,7 @@
 
   ALE::Obj<real_section_type> field = 
     new real_section_type(mesh->comm(), mesh->debug());
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, fiberDim);
   mesh->allocate(field);
 
@@ -264,6 +265,7 @@
 
   ALE::Obj<real_section_type> field = 
     new real_section_type(mesh->comm(), mesh->debug());
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(cells, fiberDim);
   mesh->allocate(field);
 

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputSolnSubset.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputSolnSubset.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestOutputSolnSubset.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -86,23 +86,16 @@
 
   CPPUNIT_ASSERT_EQUAL(ncells, int(cells->size()));
 
-  int icell = 0;
-  int index = 0;
-  for (Mesh::label_sequence::iterator c_iter=cells->begin();
-       c_iter != cellsEnd;
-       ++c_iter, ++icell) {
-    const int depth = 1;
-    const ALE::Obj<SieveAlg::coneArray>& cone = 
-      SieveAlg::nCone(submesh, *c_iter, depth);
-    assert(!cone.isNull());
-    const SieveAlg::coneArray::iterator vEnd = cone->end();
-
-    CPPUNIT_ASSERT_EQUAL(ncorners, int(cone->size()));
-    
-    for(SieveAlg::coneArray::iterator v_iter=cone->begin();
-	v_iter != vEnd;
-	++v_iter, ++index)
-      CPPUNIT_ASSERT_EQUAL(cellsE[index], *v_iter);
+  ALE::ISieveVisitor::PointRetriever<Mesh::sieve_type> pV(sieve->getMaxConeSize());
+  int i = 0;
+  for (Mesh::label_sequence::iterator c_iter=cells->begin(); c_iter != cellsEnd; ++c_iter) {
+    sieve->cone(*c_iter, pV);
+    const Mesh::point_type *cone = pV.getPoints();
+    CPPUNIT_ASSERT_EQUAL(ncorners, (int) pV.getSize());
+    for(int p = 0; p < pV.getSize(); ++p, ++i) {
+      CPPUNIT_ASSERT_EQUAL(cellsE[i], cone[p]);
+    }
+    pV.clear();
   } // for
 } // testSubdomainMesh
 

Modified: short/3D/PyLith/trunk/unittests/libtests/meshio/TestVertexFilterVecNorm.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/meshio/TestVertexFilterVecNorm.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/meshio/TestVertexFilterVecNorm.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -66,6 +66,7 @@
 
   ALE::Obj<real_section_type> field = 
     new real_section_type(mesh->comm(), mesh->debug());
+  field->setChart(mesh->getSieve()->getChart());
   field->setFiberDimension(vertices, fiberDim);
   mesh->allocate(field);
 

Modified: short/3D/PyLith/trunk/unittests/libtests/topology/TestFieldsManager.cc
===================================================================
--- short/3D/PyLith/trunk/unittests/libtests/topology/TestFieldsManager.cc	2008-05-15 19:07:17 UTC (rev 11978)
+++ short/3D/PyLith/trunk/unittests/libtests/topology/TestFieldsManager.cc	2008-05-16 21:14:36 UTC (rev 11979)
@@ -165,6 +165,7 @@
 
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(labelA);
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDim);
   fieldA->setConstraintDimension(fixedPt, 1);
   fieldA->allocateStorage();
@@ -214,6 +215,7 @@
   const Mesh::point_type fixedPt = offset + 2;
 
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDim);
   fieldA->setConstraintDimension(fixedPt, 1);
   fieldA->allocateStorage();
@@ -289,8 +291,11 @@
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(labels[0]);
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(labels[1]);
   const ALE::Obj<real_section_type>& fieldC = manager.getReal(labels[2]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
+  fieldC->setChart(mesh->getSieve()->getChart());
   fieldC->setFiberDimension(vertices, fiberDimC);
 
   manager.solutionField(labels[1]);
@@ -342,7 +347,9 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(fieldNames[0]);
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(fieldNames[1]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
 
   manager.shiftHistory();
@@ -353,6 +360,7 @@
   CPPUNIT_ASSERT_EQUAL(fiberDimA, 
 		       testB->getFiberDimension(*(vertices->begin())));
 
+#ifdef IMESH_TODO_TAG
   // Add custom atlas and retest shift history
   const int materialIds[] = { 4, 3 };
   const int numMaterials = 2;
@@ -374,6 +382,7 @@
       CPPUNIT_ASSERT_EQUAL(materialIds[iMaterial], tag->first);
     } // for
   } // for
+#endif
 } // testShiftHistory
 
 // ----------------------------------------------------------------------
@@ -397,7 +406,9 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(labels[0]);
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(labels[1]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
 
   const ALE::Obj<real_section_type>& testA = manager.getFieldByHistory(0);
@@ -432,13 +443,16 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
 
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(fieldNames[0]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
   fieldA->allocateStorage();
 
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(fieldNames[1]);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
   fieldB->allocateStorage();
 
+#ifdef IMESH_TODO_TAG
   for (int iMaterial=0; iMaterial < numMaterials; ++iMaterial)
     manager.createCustomAtlas("material-id", materialIds[iMaterial]);
 
@@ -455,6 +469,7 @@
       CPPUNIT_ASSERT_EQUAL(iMaterial, tag->second);
     } // for
   } // for
+#endif
 } // testCreateCustomAtlas
 
 // ----------------------------------------------------------------------
@@ -480,13 +495,16 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
 
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(fieldNames[0]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
   fieldA->allocateStorage();
 
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(fieldNames[1]);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
   fieldB->allocateStorage();
 
+#ifdef IMESH_TODO_TAG
   for (int iMaterial=0; iMaterial < numMaterials; ++iMaterial)
     manager.createCustomAtlas("material-id", materialIds[iMaterial]);
 
@@ -497,6 +515,7 @@
 	manager.getFieldAtlasTag(fieldNames[iField], materialIds[iMaterial]);
       CPPUNIT_ASSERT_EQUAL(tagValueE, tagValue);
     } // for
+#endif
 } // testGetFieldAtlasTag
 
 // ----------------------------------------------------------------------
@@ -523,13 +542,16 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
 
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(fieldNames[0]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
   fieldA->allocateStorage();
 
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(fieldNames[1]);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
   fieldB->allocateStorage();
 
+#ifdef IMESH_TODO_TAG
   for (int iMaterial=0; iMaterial < numMaterials; ++iMaterial)
     manager.createCustomAtlas("material-id", materialIds[iMaterial]);
 
@@ -540,6 +562,7 @@
 	manager.getFieldAtlasTagByHistory(iField, materialIds[iMaterial]);
       CPPUNIT_ASSERT_EQUAL(tagValueE, tagValue);
     } // for
+#endif
 } // testGetFieldAtlasTagByHistory
 
 // ----------------------------------------------------------------------
@@ -567,23 +590,26 @@
   const ALE::Obj<Mesh::label_sequence>& vertices = mesh->depthStratum(0);
 
   const ALE::Obj<real_section_type>& fieldA = manager.getReal(fieldNames[0]);
+  fieldA->setChart(mesh->getSieve()->getChart());
   fieldA->setFiberDimension(vertices, fiberDimA);
   fieldA->allocateStorage();
 
   const ALE::Obj<real_section_type>& fieldB = manager.getReal(fieldNames[1]);
+  fieldB->setChart(mesh->getSieve()->getChart());
   fieldB->setFiberDimension(vertices, fiberDimB);
   fieldB->allocateStorage();
 
+#ifdef IMESH_TODO_TAG
   for (int iMaterial=0; iMaterial < numMaterials; ++iMaterial)
     manager.createCustomAtlas("material-id", materialIds[iMaterial]);
 
-
   for (int iMaterial=0; iMaterial < numMaterials; ++iMaterial) {
     const int tagValueE = iMaterial;
     const int tagValue = 
       manager.getSolutionAtlasTag(materialIds[iMaterial]);
     CPPUNIT_ASSERT_EQUAL(tagValueE, tagValue);
   } // for
+#endif
 } // testGetSolutionAtlasTag
 
 // ----------------------------------------------------------------------



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