#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] = "3D 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[3*MED_SNAME_SIZE+1];
char unitname[3*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 faceIndexSize;
med_int *index = NULL;
med_int *faceindex = NULL;
med_int *connectivity = NULL;
med_int connectivitysize;
med_bool coordinatechangement;
med_bool geotransformation;
int i;
int k,ind1,ind2;
int j, jind1,jind2;
fid = MEDfileOpen("./UsesCase_MEDmesh_15.med",MED_ACC_RDONLY);
if (fid < 0) {
MESSAGE("ERROR : open file in READ ONLY ACCESS mode ...");
return -1;
}
if (MEDmeshInfoByName(fid, meshname, &spacedim, &meshdim, &meshtype, meshdescription,
dtunit, &sortingtype, &nstep, &axistype, axisname, unitname) < 0) {
MESSAGE("ERROR : mesh info ...");
return -1;
}
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 ...");
return -1;
}
if ((indexsize = MEDmeshnEntity(fid,meshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_POLYHEDRON,MED_INDEX_FACE,MED_NODAL,
&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : read number of polyedron ...");
return -1;
}
npoly = indexsize-1;
ISCRUTE(npoly);
if ((faceIndexSize = MEDmeshnEntity(fid,meshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_POLYHEDRON,MED_INDEX_NODE,MED_NODAL,
&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : read number of polyedron ...");
return -1;
}
ISCRUTE(faceIndexSize);
if ((connectivitysize = MEDmeshnEntity(fid,meshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_POLYHEDRON,MED_CONNECTIVITY,MED_NODAL,
&coordinatechangement,
&geotransformation)) < 0) {
MESSAGE("ERROR : read connevity size ...");
return -1;
}
ISCRUTE(connectivitysize);
if ((coordinates = (med_float*) malloc(sizeof(med_float)*nnodes*spacedim)) == NULL) {
MESSAGE("ERROR : memory allocation ...");
return -1;
}
if (MEDmeshNodeCoordinateRd(fid, meshname, MED_NO_DT, MED_NO_IT, MED_FULL_INTERLACE,
coordinates) < 0) {
MESSAGE("ERROR : nodes coordinates ...");
return -1;
}
for (i=0;i<nnodes*spacedim;i++)
printf("%f - ",*(coordinates+i));
printf("\n");
index = (med_int *) malloc(sizeof(med_int)*indexsize);
faceindex = (med_int *) malloc(sizeof(med_int)*faceIndexSize);
connectivity = (med_int *) malloc(sizeof(med_int)*connectivitysize);
if (MEDmeshPolyhedronRd(fid,meshname,MED_NO_DT,MED_NO_IT,MED_CELL,MED_NODAL,
index,faceindex,connectivity) < 0) {
MESSAGE("ERROR : read polygon connectivity ...");
return -1;
}
for (i=0;i<npoly;i++)
{
printf(">> MED_POLYHEDRON "IFORMAT" : \n",i+1);
printf("---- Face Index ----- : [ ");
ind1 = *(index+i)-1;
ind2 = *(index+i+1)-1;
for (k=ind1;k<ind2;k++)
printf(IFORMAT" ",*(faceindex+k));
printf(" ] \n");
printf("---- Connectivity ----- : [ ");
for (k=ind1;k<ind2;k++)
{
jind1 = *(faceindex+k)-1;
jind2 = *(faceindex+k+1)-1;
for (j=jind1;j<jind2;j++)
printf(IFORMAT" ",*(connectivity+j));
printf(" \n");
}
printf(" ] \n");
}
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file");
return -1;
}
if (coordinates)
free(coordinates);
if (index)
free(index);
if (faceindex)
free(faceindex);
if (connectivity)
free(connectivity);
return 0;
}