#include <med.h>
#define MESGERR 1
#include <med_utils.h>
#include <string.h>
int main (int argc, char **argv) {
med_idt fid;
const char meshname[MED_NAME_SIZE+1]="2D structured mesh";
med_int spacedim;
med_int meshdim;
char meshdescription[MED_COMMENT_SIZE+1];
char axisname[2*MED_SNAME_SIZE+1];
char unitname[2*MED_SNAME_SIZE+1];
char dtunit[MED_SNAME_SIZE+1];
med_mesh_type meshtype;
med_axis_type axistype;
med_grid_type gridtype;
med_int axis, size ;
med_float *cooXaxis = NULL;
med_float *cooYaxis = NULL;
med_bool coordinatechangement;
med_bool geotransformation;
med_int nstep;
med_sorting_type sortingtype;
int j;
int ret=-1;
int ncell=0;
char *cellsname=NULL;
fid = MEDfileOpen("UsesCase_MEDmesh_4.med",MED_ACC_RDONLY);
if (fid < 0) {
MESSAGE("ERROR : open file ...");
goto ERROR;
}
if (MEDmeshInfoByName(fid, meshname, &spacedim, &meshdim, &meshtype, meshdescription,
dtunit, &sortingtype, &nstep, &axistype, axisname, unitname) < 0) {
MESSAGE("ERROR : mesh info ...");
goto ERROR;
}
if (MEDmeshGridTypeRd(fid, meshname, &gridtype) < 0) {
MESSAGE("ERROR : read grid type ...");
}
axis = 1;
if ((size = MEDmeshnEntity(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_NODE, MED_NONE, MED_COORDINATE_AXIS1, MED_NO_CMODE,
&coordinatechangement, &geotransformation)) < 0) {
MESSAGE("ERROR : number of coordinates on X axis ...");
goto ERROR;
}
ncell = size-1;
if ((cooXaxis = (med_float *) malloc(sizeof(med_float)*size)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshGridIndexCoordinateRd(fid, meshname, MED_NO_DT, MED_NO_IT,
axis, cooXaxis) < 0) {
MESSAGE("ERROR : read axis X coordinates ...");
free(cooXaxis);
goto ERROR;
}
free(cooXaxis);
axis = 2;
if ((size = MEDmeshnEntity(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_NODE, MED_NONE, MED_COORDINATE_AXIS2, MED_NO_CMODE,
&coordinatechangement, &geotransformation)) < 0) {
MESSAGE("ERROR : number of coordinates on Y axis ...");
goto ERROR;
}
ncell = ncell * (size-1);
if ((cooYaxis = (med_float *) malloc(sizeof(med_float)*size)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshGridIndexCoordinateRd(fid, meshname, MED_NO_DT, MED_NO_IT,
axis, cooYaxis) < 0) {
MESSAGE("ERROR : read axis Y coordinates ...");
free(cooYaxis);
goto ERROR;
}
free(cooYaxis);
cellsname = (char *) malloc((sizeof(char))*ncell*MED_SNAME_SIZE+1);
if (MEDmeshEntityNameRd(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_CELL, MED_QUAD4, cellsname) < 0) {
MESSAGE("ERROR : read cells name ...");
free(cellsname);
goto ERROR;
}
free(cellsname);
ret=0;
ERROR:
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file ...");
ret = -1;
}
return ret;
}