=== !LaGriT Example: Triangulate a Polygon, Use refine, smooth to Change Mesh Size and Quality  ===
  * tri1 
  * tri2 
  * tri3 
  * tri4 
  * tri5 
  * tri6 

'''input.lgi '''
{{{

*--* ex_triangulate_polygon
*--* Header Begin
*--* LAGriT Example Input file
* Carl Gable
* gable -at- lanl -dot- gov
*
*--*
*----------------------------------------------------
*--* Triangulate a polygon and then use refine/rivara to refine
*--* mesh to desired element size. Refine different parts of the
*--* mesh to different resolution.
*--*
*--* Also smooth and reconnect the mesh finishing with a call to
*--* recon/1 to eliminate all obtuse angles on boundaries.
*--*
*--*----------------------------------------------------
*--* Header End
*--* ex_triangulate_polygon
*--*
}}}