#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 *triaconnectivity = NULL;
med_int ntria3 = 0;
med_int *quadconnectivity = NULL;
med_int nquad4 = 0;
med_bool coordinatechangement;
med_bool geotransformation;
int i;
med_int nfamily, ngroup;
med_int familynumber;
char *groupname=NULL;
char familyname[MED_NAME_SIZE+1]="";
med_int *familynumbers = NULL;
int ret=-1;
fid = MEDfileOpen("UsesCase_MEDmesh_10.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_NO_GEOTYPE,
MED_COORDINATE, MED_NO_CMODE,&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : number of nodes ...");
goto ERROR;
}
if ((ntria3 = MEDmeshnEntity(fid, meshname, MED_NO_DT, MED_NO_IT, MED_CELL,MED_TRIA3,
MED_CONNECTIVITY, MED_NODAL,&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : number of MED_TRIA3 ...");
goto ERROR;
}
if ((nquad4 = MEDmeshnEntity(fid, meshname, MED_NO_DT, MED_NO_IT, MED_CELL,MED_QUAD4,
MED_CONNECTIVITY, MED_NODAL, &coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : number of MED_QUAD4 ...");
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);
if ((triaconnectivity = (med_int *) malloc(sizeof(med_int)*ntria3*3)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshElementConnectivityRd(fid, meshname, MED_NO_DT, MED_NO_IT, MED_CELL,
MED_TRIA3, MED_NODAL, MED_FULL_INTERLACE, triaconnectivity) < 0) {
MESSAGE("ERROR : MED_TRIA3 connectivity ...");
free(triaconnectivity);
goto ERROR;
}
free(triaconnectivity);
if ((quadconnectivity = (med_int *) malloc(sizeof(med_int)*nquad4*4)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshElementConnectivityRd(fid, meshname, MED_NO_DT, MED_NO_IT, MED_CELL,
MED_QUAD4, MED_NODAL, MED_FULL_INTERLACE, quadconnectivity) < 0) {
MESSAGE("ERROR : MED_TRIA3 connectivity ...");
free(quadconnectivity);
goto ERROR;
}
free(quadconnectivity);
if ((nfamily = MEDnFamily(fid,meshname)) < 0) {
MESSAGE("ERROR : read number of family ...");
goto ERROR;
}
for (i=0; i<nfamily ; i++) {
if ((ngroup = MEDnFamilyGroup(fid, meshname, i+1)) < 0) {
MESSAGE("ERROR : read number of group in a family ...");
goto ERROR;
}
if (ngroup > 0) {
if ((groupname = (char*) malloc(sizeof(char)*MED_LNAME_SIZE*ngroup+1)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDfamilyInfo(fid, meshname, i+1, familyname, &familynumber, groupname) < 0) {
MESSAGE("ERROR : family info ...");
free(groupname);
goto ERROR;
}
free(groupname);
}
}
if ((familynumbers = (med_int *) malloc(sizeof(med_int)*nnodes)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshEntityFamilyNumberRd(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_NODE,MED_NONE,familynumbers ) < 0)
for (i=0; i<nnodes; i++) *(familynumbers+i) = 0;
for (i=0; i<nnodes; i++) printf("%d - ", *(familynumbers+i));
if (familynumbers)
free (familynumbers);
if ((familynumbers = (med_int *) malloc(sizeof(med_int)*ntria3)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshEntityFamilyNumberRd(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_CELL,MED_TRIA3,familynumbers ) < 0)
for (i=0; i<ntria3; i++) *(familynumbers+i) = 0;
free (familynumbers);
if ((familynumbers = (med_int *) malloc(sizeof(med_int)*nquad4)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
goto ERROR;
}
if (MEDmeshEntityFamilyNumberRd(fid, meshname, MED_NO_DT, MED_NO_IT,
MED_CELL,MED_QUAD4,familynumbers ) < 0)
for (i=0; i<nquad4; i++) *(familynumbers+i) = 0;
free (familynumbers);
ret=0;
ERROR:
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file");
ret= -1;
}
return ret;
}