[cig-commits] r5417 - mc/3D/CitcomS/trunk/visual

tan2 at geodynamics.org tan2 at geodynamics.org
Fri Dec 1 16:03:01 PST 2006


Author: tan2
Date: 2006-12-01 16:03:01 -0800 (Fri, 01 Dec 2006)
New Revision: 5417

Added:
   mc/3D/CitcomS/trunk/visual/h5tovelo.c
Modified:
   mc/3D/CitcomS/trunk/visual/Makefile.am
Log:
Added a program to convert h5 file to velo files for restart

Modified: mc/3D/CitcomS/trunk/visual/Makefile.am
===================================================================
--- mc/3D/CitcomS/trunk/visual/Makefile.am	2006-12-01 23:34:49 UTC (rev 5416)
+++ mc/3D/CitcomS/trunk/visual/Makefile.am	2006-12-02 00:03:01 UTC (rev 5417)
@@ -116,8 +116,10 @@
 	done
 
 if COND_HDF5
-    bin_PROGRAMS = h5tocap
+    bin_PROGRAMS = h5tocap h5tovelo
     h5tocap_SOURCES = h5tocap.c
+    h5tovelo_SOURCES = h5tovelo.c
+    h5tovelo_LDADD = $(LIBHDF5)
 endif
 
 CLEANFILES = $(nodist_visual_DATA)

Added: mc/3D/CitcomS/trunk/visual/h5tovelo.c
===================================================================
--- mc/3D/CitcomS/trunk/visual/h5tovelo.c	2006-12-01 23:34:49 UTC (rev 5416)
+++ mc/3D/CitcomS/trunk/visual/h5tovelo.c	2006-12-02 00:03:01 UTC (rev 5417)
@@ -0,0 +1,561 @@
+/*
+ * h5tovelo.c by Eh Tan and Luis Armendariz.
+ * Copyright (C) 2006, California Institute of Technology.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "hdf5.h"
+
+
+static const char usage[] =
+    "Convert h5 files to velo files, for restart purpose\n"
+    "\n"
+    "Usage: h5tovelo modelname step\n"
+    "\n"
+    "modelname: prefix of the CitcomS HDF5 datafile\n"
+    "step: time step\n";
+
+
+typedef struct field_t
+{
+    const char *name;
+
+    int rank;
+    hsize_t *dims;
+    hsize_t *maxdims;
+
+    hsize_t *offset;
+    hsize_t *count;
+
+    int n;
+    float *data;
+
+} field_t;
+
+
+static field_t *open_field(hid_t cap, const char *name);
+static herr_t read_field(hid_t cap, field_t *field, int iii);
+static herr_t close_field(field_t *field);
+
+static herr_t get_attribute_str(hid_t obj_id, const char *attr_name, char **data);
+static herr_t get_attribute_int(hid_t input, const char *name, int *val);
+static herr_t get_attribute_float(hid_t input, const char *name, float *val);
+static herr_t get_attribute(hid_t obj_id, const char *attr_name, hid_t mem_type_id, void *data);
+static herr_t get_attribute_mem(hid_t obj_id, const char *attr_name, hid_t mem_type_id, void *data);
+
+
+int main(int argc, char *argv[])
+{
+    char filename1[100];
+    char filename2[100];
+    char prefix[100];
+
+    hid_t h5file1, h5file2;
+    hid_t input;
+    herr_t status;
+
+    int caps;
+    int cap;
+
+    int nprocx, nprocy, nprocz;
+    int nodex, nodey, nodez;
+
+    int step;
+    float time;
+
+    field_t *velocity;
+    field_t *temperature;
+
+
+    /************************************************************************
+     * Parse command-line parameters.                                       *
+     ************************************************************************/
+
+    /*
+     * HDF5 file must be specified as first argument.
+     */
+
+    if (argc < 2 || argc > 3)
+    {
+	fputs(usage, stderr);
+        return EXIT_FAILURE;
+    }
+
+    /*
+     * Recognize help arguments.
+     */
+
+    if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0)
+    {
+	fputs(usage, stderr);
+        return EXIT_FAILURE;
+    }
+
+    /*
+     * Construct filenames
+     */
+
+    sscanf(argv[1], "%s", prefix);
+    snprintf(filename1, 99, "%s.h5", prefix);
+    sscanf(argv[2], "%d", &step);
+    snprintf(filename2, 99, "%s.%d.h5", prefix, step);
+
+    /*
+     * Open HDF5 file (read-only). Complain if invalid.
+     */
+
+    h5file1 = H5Fopen(filename1, H5F_ACC_RDONLY, H5P_DEFAULT);
+    if (h5file1 < 0)
+    {
+        fprintf(stderr, "Could not open HDF5 file \"%s\"\n", filename1);
+        return EXIT_FAILURE;
+    }
+
+    /*
+     * Read model parameters from file1
+     */
+
+    input = H5Gopen(h5file1, "input");
+    if (input < 0)
+    {
+        fprintf(stderr, "Could not open /input group in \"%s\"\n", filename1);
+        status = H5Fclose(h5file1);
+        return EXIT_FAILURE;
+    }
+
+    status = get_attribute_int(input, "nproc_surf", &caps);
+    status = get_attribute_int(input, "nprocx", &nprocx);
+    status = get_attribute_int(input, "nprocy", &nprocy);
+    status = get_attribute_int(input, "nprocz", &nprocz);
+    status = get_attribute_int(input, "nodex", &nodex);
+    status = get_attribute_int(input, "nodey", &nodey);
+    status = get_attribute_int(input, "nodez", &nodez);
+
+    status = H5Gclose(input);
+    status = H5Fclose(h5file1);
+
+    /*
+     * Open HDF5 file (read-only). Complain if invalid.
+     */
+
+    h5file2 = H5Fopen(filename2, H5F_ACC_RDONLY, H5P_DEFAULT);
+    if (h5file2 < 0)
+    {
+        fprintf(stderr, "Could not open HDF5 file \"%s\"\n", filename2);
+        return EXIT_FAILURE;
+    }
+
+    input = H5Gopen(h5file2, "/");
+    status = get_attribute_float(input, "time", &time);
+    status = H5Gclose(input);
+
+    /*
+     * Read data from file1 and file2
+     */
+
+    velocity    = open_field(h5file2, "velocity");
+    temperature = open_field(h5file2, "temperature");
+
+
+    /* Iterate over caps */
+    for(cap = 0; cap < caps; cap++)
+    {
+	int px, py, pz;
+	int nno = nodex * nodey * nodez;
+
+	/* Read data from HDF5 file. */
+	read_field(h5file2, velocity, cap);
+	read_field(h5file2, temperature, cap);
+
+	for (py = 0; py < nprocy; py++)
+	    for (px = 0; px < nprocx; px++)
+		for (pz = 0; pz < nprocz; pz++)
+		{
+		    int rank = pz + px*nprocz + py*nprocz*nprocx
+			     + cap*nprocz*nprocx*nprocy;
+		    int lx = (nodex - 1) / nprocx + 1;
+		    int ly = (nodey - 1) / nprocy + 1;
+		    int lz = (nodez - 1) / nprocz + 1;
+		    int sx = px * (lx - 1);
+		    int sy = py * (ly - 1);
+		    int sz = pz * (lz - 1);
+
+		    char filename[100];
+		    FILE *file;
+		    int i, j, k;
+
+		    snprintf(filename, 99, "%s.velo.%d.%d",
+			     prefix, rank, step);
+		    fprintf(stderr, "Writing %s\n", filename);
+
+		    file = fopen(filename, "w");
+		    fprintf(file, "%d %d %.5e\n", step, nno, time);
+		    fprintf(file, "%3d %7d\n", 1, nno);
+
+		    /* Traverse data in Citcom order */
+		    for(j = sy; j < sy+ly; j++)
+			for(i = sx; i < sx+lx; i++)
+			    for(k = sz; k < sz+lz; k++)
+			    {
+				int n = k + j*nodez + i*nodez*nodey;
+				fprintf(file, "%.6e %.6e %.6e %.6e\n",
+					velocity->data[3*n+0],
+					velocity->data[3*n+1],
+					velocity->data[3*n+2],
+					temperature->data[n]);
+			    }
+
+		    fclose(file);
+
+		}
+    }
+
+    status = close_field(velocity);
+    status = close_field(temperature);
+
+    status = H5Fclose(h5file2);
+
+    return 0;
+}
+
+
+static field_t *open_field(hid_t file_id, const char *name)
+{
+    hid_t dataset;
+    hid_t dataspace;
+    herr_t status;
+
+    int d;
+    int rank;
+
+    field_t *field;
+
+    if (file_id < 0)
+        return NULL;
+
+
+    /* Allocate field and initialize. */
+
+    field = (field_t *)malloc(sizeof(field_t));
+
+    field->name = name;
+    field->rank = 0;
+    field->dims = NULL;
+    field->maxdims = NULL;
+    field->n = 0;
+
+    dataset = H5Dopen(file_id, name);
+    if(dataset < 0)
+    {
+        free(field);
+        fprintf(stderr, "Could not open HDF5 dataset \"%s\"\n", name);
+        return NULL;
+    }
+
+    dataspace = H5Dget_space(dataset);
+    if (dataspace < 0)
+    {
+        free(field);
+        fprintf(stderr, "Could not open HDF5 dataspace \"%s\"\n", name);
+        return NULL;
+    }
+
+
+    /* Calculate shape of field. */
+
+    rank = H5Sget_simple_extent_ndims(dataspace);
+
+    field->rank = rank;
+    field->dims = (hsize_t *)malloc(rank * sizeof(hsize_t));
+    field->maxdims = (hsize_t *)malloc(rank * sizeof(hsize_t));
+
+    status = H5Sget_simple_extent_dims(dataspace, field->dims, field->maxdims);
+
+    /* DEBUG
+    printf("Field %s shape (", name);
+    for(d = 0; d < rank; d++)
+        printf("%d,", (int)(field->dims[d]));
+    printf(")\n");
+    // */
+
+
+    /* Allocate memory for hyperslab selection parameters. */
+
+    field->offset = (hsize_t *)malloc(rank * sizeof(hsize_t));
+    field->count  = (hsize_t *)malloc(rank * sizeof(hsize_t));
+
+
+    /* Allocate enough memory for a single cap-slice buffer. */
+
+    field->n = 1;
+    for(d = 1; d < rank; d++)
+	field->n *= field->dims[d];
+
+    field->data = (float *)malloc(field->n * sizeof(float));
+
+
+    /* Release resources. */
+
+    status = H5Sclose(dataspace);
+    status = H5Dclose(dataset);
+
+    return field;
+}
+
+
+static herr_t read_field(hid_t file_id, field_t *field, int iii)
+{
+    hid_t dataset;
+    hid_t filespace;
+    hid_t memspace;
+    herr_t status;
+
+    int d;
+
+    if (file_id < 0 || field == NULL)
+        return -1;
+
+    dataset = H5Dopen(file_id, field->name);
+
+    if (dataset < 0)
+        return -1;
+
+    field->offset[0] = iii;
+    field->count[0] = 1;
+    for(d = 1; d < field->rank; d++)
+    {
+        field->offset[d] = 0;
+        field->count[d]  = field->dims[d];
+    }
+
+
+    /* DEBUG */
+    printf("Reading cap %d on field %s with offset (", iii, field->name);
+    for(d = 0; d < field->rank; d++) printf("%d,", (int)(field->offset[d]));
+    printf(") and count (");
+    for(d = 0; d < field->rank; d++) printf("%d,", (int)(field->count[d]));
+    printf(")\n");
+    // */
+
+
+    filespace = H5Dget_space(dataset);
+
+    status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET,
+                                 field->offset, NULL, field->count, NULL);
+
+    memspace = H5Screate_simple(field->rank, field->count, NULL);
+
+    status = H5Dread(dataset, H5T_NATIVE_FLOAT, memspace,
+                     filespace, H5P_DEFAULT, field->data);
+
+    status = H5Sclose(filespace);
+    status = H5Sclose(memspace);
+    status = H5Dclose(dataset);
+
+    return 0;
+}
+
+
+static herr_t close_field(field_t *field)
+{
+    if (field != NULL)
+    {
+        free(field->dims);
+        free(field->maxdims);
+        free(field->offset);
+        free(field->count);
+        free(field->data);
+        free(field);
+    }
+    return 0;
+}
+
+static herr_t get_attribute_str(hid_t obj_id,
+                                const char *attr_name,
+                                char **data)
+{
+    hid_t attr_id;
+    hid_t attr_type;
+    size_t type_size;
+    herr_t status;
+
+    *data = NULL;
+
+    attr_id = H5Aopen_name(obj_id, attr_name);
+    if (attr_id < 0)
+        return -1;
+
+    attr_type = H5Aget_type(attr_id);
+    if (attr_type < 0)
+        goto out;
+
+    /* Get the size */
+    type_size = H5Tget_size(attr_type);
+    if (type_size < 0)
+        goto out;
+
+    /* malloc enough space for the string, plus 1 for trailing '\0' */
+    *data = (char *)malloc(type_size + 1);
+
+    status = H5Aread(attr_id, attr_type, *data);
+    if (status < 0)
+        goto out;
+
+    /* Set the last character to '\0' in case we are dealing with
+     * null padded or space padded strings
+     */
+    (*data)[type_size] = '\0';
+
+    status = H5Tclose(attr_type);
+    if (status < 0)
+        goto out;
+
+    status = H5Aclose(attr_id);
+    if (status < 0)
+        return -1;
+
+    return 0;
+
+out:
+    H5Tclose(attr_type);
+    H5Aclose(attr_id);
+    if (*data)
+        free(*data);
+    return -1;
+}
+
+static herr_t get_attribute_int(hid_t input, const char *name, int *val)
+{
+    hid_t attr_id;
+    hid_t type_id;
+    H5T_class_t type_class;
+    size_t type_size;
+
+    herr_t status;
+
+    char *strval;
+
+    attr_id = H5Aopen_name(input, name);
+    type_id = H5Aget_type(attr_id);
+    type_class = H5Tget_class(type_id);
+    type_size = H5Tget_size(type_id);
+
+    H5Tclose(type_id);
+    H5Aclose(attr_id);
+
+    switch(type_class)
+    {
+        case H5T_STRING:
+            status = get_attribute_str(input, name, &strval);
+            if (status < 0) return -1;
+            *val = atoi(strval);
+            free(strval);
+            return 0;
+        case H5T_INTEGER:
+            status = get_attribute(input, name, H5T_NATIVE_INT, val);
+            if (status < 0) return -1;
+            return 0;
+        default:
+	    return -1;
+    }
+
+    return -1;
+}
+
+
+static herr_t get_attribute_float(hid_t input, const char *name, float *val)
+{
+    hid_t attr_id;
+    hid_t type_id;
+    H5T_class_t type_class;
+    size_t type_size;
+
+    herr_t status;
+
+    char *strval;
+
+    attr_id = H5Aopen_name(input, name);
+    type_id = H5Aget_type(attr_id);
+    type_class = H5Tget_class(type_id);
+    type_size = H5Tget_size(type_id);
+
+    H5Tclose(type_id);
+    H5Aclose(attr_id);
+
+    switch(type_class)
+    {
+        case H5T_STRING:
+            status = get_attribute_str(input, name, &strval);
+            if (status < 0) return -1;
+            *val = atof(strval);
+            free(strval);
+            return 0;
+        case H5T_FLOAT:
+            status = get_attribute(input, name, H5T_NATIVE_FLOAT, val);
+            if (status < 0) return -1;
+            return 0;
+        default:
+	    return -1;
+    }
+
+    return -1;
+}
+
+
+static herr_t get_attribute(hid_t obj_id,
+                            const char *attr_name,
+                            hid_t mem_type_id,
+                            void *data)
+{
+    herr_t status;
+
+    status = get_attribute_mem(obj_id, attr_name, mem_type_id, data);
+    if (status < 0)
+        return -1;
+
+    return 0;
+}
+
+
+static herr_t get_attribute_mem(hid_t obj_id,
+                                const char *attr_name,
+                                hid_t mem_type_id,
+                                void *data)
+{
+    hid_t attr_id;
+    herr_t status;
+
+    attr_id = H5Aopen_name(obj_id, attr_name);
+    if (attr_id < 0)
+        return -1;
+
+    status = H5Aread(attr_id, mem_type_id, data);
+    if (status < 0)
+    {
+        H5Aclose(attr_id);
+        return -1;
+    }
+
+    status = H5Aclose(attr_id);
+    if (status < 0)
+        return -1;
+
+    return 0;
+}
+
+



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