#include <med.h>
#define MESGERR 1
#include <med_utils.h>
#include <string.h>
int main (int argc, char **argv) {
med_idt fid;
char meshname[MED_NAME_SIZE+1]="";
med_bool localmesh;
const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
med_field_type fieldtype;
char componentname[MED_SNAME_SIZE+1]="";
char componentunit[MED_SNAME_SIZE+1]="";
char dtunit[MED_SNAME_SIZE+1]="";
med_float *verticesvalues = NULL;
med_float *tria3values = NULL;
med_float *quad4values = NULL;
med_int nstep, nvalues;
const med_int ncomponent = 1;
int ret=-1;
fid = MEDfileOpen("UsesCase_MEDfield_1.med",MED_ACC_RDONLY);
if (fid < 0) {
MESSAGE("ERROR : open file ...");
goto ERROR;
}
if (MEDfieldInfoByName(fid, fieldname, meshname, &localmesh, &fieldtype,
componentname, componentunit, dtunit, &nstep) < 0) {
MESSAGE("ERROR : Field info by name ...");
goto ERROR;
}
if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE)) < 0) {
MESSAGE("ERROR : read number of values ...");
goto ERROR;
}
if ((verticesvalues = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE,
MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) verticesvalues) < 0) {
MESSAGE("ERROR : read fields values on vertices ...");
free(verticesvalues);
goto ERROR;
}
free(verticesvalues);
if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL,
MED_TRIA3)) < 0) {
MESSAGE("ERROR : read number of values ...");
goto ERROR;
}
if ((tria3values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, MED_TRIA3,
MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) tria3values) < 0) {
MESSAGE("ERROR : read fields values for MED_TRIA3 cells ...");
free(tria3values);
goto ERROR;
}
free(tria3values);
if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL,
MED_QUAD4)) < 0) {
MESSAGE("ERROR : read number of values ...");
goto ERROR;
}
if ((quad4values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, MED_QUAD4,
MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) quad4values) < 0) {
MESSAGE("ERROR : read fields values for MED_QUAD4 cells ...");
free(quad4values);
goto ERROR;
}
free(quad4values);
ret=0;
ERROR:
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file ...");
ret=-1;
}
return ret;
}