#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 unstructured mesh";
char meshdescription[MED_COMMENT_SIZE+1]="";
med_int meshdim;
med_int spacedim;
med_sorting_type sortingtype;
med_int nstep;
med_mesh_type meshtype;
med_axis_type axistype;
char axisname[2*MED_SNAME_SIZE+1]="";
char unitname[2*MED_SNAME_SIZE+1]="";
char dtunit[MED_SNAME_SIZE+1]="";
med_float *coordinates = NULL;
med_int nnodes = 0;
med_int npoly = 0;
med_int indexsize;
med_int *index = NULL;
med_int *connectivity = NULL;
med_int connectivitysize;
med_bool coordinatechangement;
med_bool geotransformation;
int i;
int k,ind1,ind2;
int ret=-1;
fid = MEDfileOpen("UsesCase_MEDmesh_13.med",MED_ACC_RDONLY);
if (fid < 0) {
MESSAGE("ERROR : open file in READ ONLY ACCESS mode ...");
goto ERROR;
}
if (MEDmeshInfoByName(fid, meshname, &spacedim, &meshdim, &meshtype, meshdescription,
dtunit, &sortingtype, &nstep, &axistype, axisname, unitname) < 0) {
MESSAGE("ERROR : mesh info ...");
goto ERROR;
}
if ((nnodes = MEDmeshnEntity(fid, meshname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_POINT1,
MED_COORDINATE, MED_NO_CMODE,&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : number of nodes ...");
goto ERROR;
}
if ((indexsize = MEDmeshnEntity(fid,meshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_POLYGON,MED_INDEX_NODE,MED_NODAL,
&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : read number of polygon ...");
goto ERROR;
}
npoly = indexsize-1;
if ((connectivitysize = MEDmeshnEntity(fid,meshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_POLYGON,MED_CONNECTIVITY,MED_NODAL,
&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : read connevity size ...");
goto ERROR;
}
if ((coordinates = (med_float*) malloc(sizeof(med_float)*nnodes*spacedim)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshNodeCoordinateRd(fid, meshname, MED_NO_DT, MED_NO_IT, MED_FULL_INTERLACE,
coordinates) < 0) {
MESSAGE("ERROR : nodes coordinates ...");
free(coordinates);
goto ERROR;
}
free(coordinates);
index = (med_int *) malloc(sizeof(med_int)*indexsize);
connectivity = (med_int *) malloc(sizeof(med_int)*connectivitysize);
if (MEDmeshPolygonRd(fid,meshname,MED_NO_DT,MED_NO_IT,MED_CELL,MED_NODAL,
index,connectivity) < 0) {
MESSAGE("ERROR : read polygon connectivity ...");
free(index);
free(connectivity);
goto ERROR;
}
free(index);
free(connectivity);
ret=0;
ERROR:
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file");
ret=-1;
}
return ret;
}