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/*@@
@file hdf5_convert_from_sdf.c
@date Tue 24 August 2004
@author Thomas Radke
@desc
Utility program to convert SDF datafiles into IOHDF5
datafiles.
@enddesc
@version $Id$
@@*/
#define MAXDIM 3
#define MAXNAMESIZE 100
#include <stdio.h>
#include <stdlib.h>
/* Cactus includes (defines CCTK_FILEVERSION) */
#include "cctk.h"
/* SDF includes */
#include <bbhutil.h>
#include <sdf_priv.h>
/* HDF5 include */
#include <hdf5.h>
#define GLOBAL_ATTRIBUTES_GROUP "Global Attributes"
/* the rcs ID and its dummy function to use it */
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(CactusPUGHIO_IOHDF5_util_hdf5_convert_from_sdf_c)
/*****************************************************************************/
/* macro definitions */
/*****************************************************************************/
/* uncomment the following to get some debugging output */
/* #define IOHDF5_DEBUG 1 */
/* macro to do an HDF5 call, check its return code, and print a warning
in case of an error */
#define CHECK_ERROR(hdf5_call) \
do \
{ \
int _error_code = hdf5_call; \
\
\
if (_error_code < 0) \
{ \
fprintf (stderr, "WARNING: line %d: HDF5 call '%s' returned " \
"error code %d\n", \
__LINE__, #hdf5_call, _error_code); \
exit (-1); \
} \
} while (0)
/*@@
@routine main
@date Tue 24 August 2004
@author Thomas Radke
@desc
Main routine of the SDF-to-HDF5 converter
@enddesc
@var argc
@vdesc number of command line arguments
@vtype int
@vio in
@endvar
@var argv
@vdesc command line arguments
@vtype char *[]
@vio in
@endvar
@returntype int
@returndesc
0 for success, negative return values indicate an error
@endreturndesc
@@*/
int main (int argc, char **argv)
{
int i, j;
int version, rank, dsize, csize, grouptype;
int *dims;
double timestep;
char *varname, *groupname, *coordname, *tag;
gft_sdf_file_data *infile;
double *coords, *data, *bbox;
hid_t outfile, dataset, dataspace, attr, attrDataspace;
hid_t group, hdf5String;
hsize_t hdf5Dims[MAXDIM];
int iteration, timelevel, ntimelevels;
char hdf5DatasetName[2 * MAXNAMESIZE];
if (argc <= 2)
{
fprintf (stderr, "Usage: %s <inputfile> <outputfile>\n", argv[0]);
fprintf (stderr, " eg. %s foo.sdf bar.h5\n", argv[0]);
return (0);
}
infile = gft_open_sdf_file (argv[1]);
if (! infile)
{
printf ("Could not open SDF input file '%s'\n", argv[1]);
return (-1);
}
outfile = H5Fcreate (argv[2], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
if (outfile < 0)
{
fprintf (stderr, "Could not create HDF5 output file '%s'\n", argv[2]);
return (-1);
}
printf ("\n ----------------------------\n"
" Cactus SDF-to-HDF5 Converter\n"
" ----------------------------\n");
/* add a dummy GLOBAL_ATTRIBUTES_GROUP so that the HDF5 file is recognized as
unchunked Cactus data */
CHECK_ERROR (group = H5Gcreate (outfile, GLOBAL_ATTRIBUTES_GROUP, 0));
CHECK_ERROR (attrDataspace = H5Screate (H5S_SCALAR));
CHECK_ERROR (attr = H5Acreate (group, "nprocs", H5T_NATIVE_INT,
attrDataspace, H5P_DEFAULT));
i = 1;
CHECK_ERROR (H5Awrite (attr, H5T_NATIVE_INT, &i));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (attr = H5Acreate (group, "ioproc_every", H5T_NATIVE_INT,
attrDataspace, H5P_DEFAULT));
i = 1;
CHECK_ERROR (H5Awrite (attr, H5T_NATIVE_INT, &i));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (attr = H5Acreate (group, "unchunked", H5T_NATIVE_INT,
attrDataspace, H5P_DEFAULT));
i = 1;
CHECK_ERROR (H5Awrite (attr, H5T_NATIVE_INT, &i));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (H5Gclose (group));
CHECK_ERROR (hdf5String = H5Tcopy (H5T_C_S1));
/*** FIXME: get iteration number and timelevel information from user ***/
iteration = timelevel = 0;
ntimelevels = 1;
grouptype = CCTK_GF;
groupname = "grid::coordinates";
while (low_read_sdf_stream (1, infile->fp, ×tep, &version, &rank, &dsize,
&csize, &varname, &coordname, &tag, &dims, &bbox,
&coords, &data))
{
/*** FIXME: give the dataset a valid variable name ***/
varname = strdup ("grid::x");
printf ("Processing dataset '%s' (timestep %f)\n", varname, timestep);
/* convert from int to hsize_t */
for (j = 0; j < rank; j++)
{
hdf5Dims[j] = dims[j];
}
CHECK_ERROR (dataspace = H5Screate_simple (rank, hdf5Dims, NULL));
sprintf (hdf5DatasetName, "/%s timelevel %d at iteration %d",
varname, timelevel, iteration);
CHECK_ERROR (dataset = H5Dcreate (outfile, hdf5DatasetName,
H5T_NATIVE_DOUBLE,dataspace,H5P_DEFAULT));
CHECK_ERROR (H5Dwrite (dataset, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL,
H5P_DEFAULT, data));
/* attach necessary attributes */
CHECK_ERROR (H5Tset_size (hdf5String, strlen (groupname)));
CHECK_ERROR (attr = H5Acreate (dataset, "groupname", hdf5String,
attrDataspace, H5P_DEFAULT));
CHECK_ERROR (H5Awrite (attr, hdf5String, groupname));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (attr = H5Acreate (dataset, "grouptype", H5T_NATIVE_INT,
attrDataspace, H5P_DEFAULT));
CHECK_ERROR (H5Awrite (attr, H5T_NATIVE_INT, &grouptype));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (attr = H5Acreate (dataset, "ntimelevels", H5T_NATIVE_INT,
attrDataspace, H5P_DEFAULT));
CHECK_ERROR (H5Awrite (attr, H5T_NATIVE_INT, &ntimelevels));
CHECK_ERROR (H5Aclose (attr));
CHECK_ERROR (H5Dclose (dataset));
CHECK_ERROR (H5Sclose (dataspace));
free (varname);
free (coordname);
free (tag);
free (dims);
free (bbox);
free (coords);
free (data);
/*** FIXME: increment iteration number to distinguish datasets ***/
iteration++;
}
CHECK_ERROR (H5Sclose (attrDataspace));
CHECK_ERROR (H5Tclose (hdf5String));
CHECK_ERROR (H5Fclose (outfile));
gsfd_close (infile);
return (0);
}
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