UsesCase_MEDfield_5.c
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00022 #include <med.h>
00023 #define MESGERR 1
00024 #include <med_utils.h>
00025 
00026 #include <string.h>
00027 
00028 int main (int argc, char **argv) {
00029   med_idt fid;
00030   char meshname[MED_NAME_SIZE+1]="";
00031   med_bool localmesh;
00032   const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
00033   med_field_type fieldtype;
00034   char componentname[MED_SNAME_SIZE+1]="";
00035   char componentunit[MED_SNAME_SIZE+1]="";
00036   char dtunit[MED_SNAME_SIZE+1]="";
00037   med_float *values = NULL;
00038   med_int nstep, nvalues;
00039   med_int ncomponent = 1;
00040   med_int csit, numit, numdt, meshnumit, meshnumdt, it;
00041   med_float dt;
00042   med_geometry_type geotype;
00043   med_geometry_type *geotypes = MED_GET_CELL_GEOMETRY_TYPE;
00044   int ret=-1;
00045 
00046   
00047   fid = MEDfileOpen("UsesCase_MEDfield_4.med",MED_ACC_RDONLY);
00048   if (fid < 0) {
00049     MESSAGE("ERROR : open file ...");
00050     goto ERROR;
00051   }
00052 
00053   
00054 
00055 
00056 
00057 
00058   
00059 
00060 
00061   if (MEDfieldInfoByName(fid, fieldname, meshname, &localmesh, &fieldtype,
00062                          componentname, componentunit, dtunit, &nstep) < 0) {
00063     MESSAGE("ERROR : Field info by name ...");
00064     goto ERROR;
00065   }
00066 
00067   
00068 
00069 
00070   for (csit=0; csit<nstep; csit++) {
00071 
00072     if (MEDfieldComputingStepMeshInfo(fid, fieldname, csit+1, &numdt, &numit, &dt,
00073                                       &meshnumdt, &meshnumit) < 0) {
00074       MESSAGE("ERROR : Computing step info ...");
00075       goto ERROR;
00076     }
00077 
00078   
00079 
00080 
00081     for (it=1; it<=MED_N_CELL_FIXED_GEO; it++) {
00082 
00083       geotype = geotypes[it];
00084 
00085       if ((nvalues = MEDfieldnValue(fid, fieldname, numdt, numit, MED_CELL, geotype)) < 0) {
00086         MESSAGE("ERROR : read number of values ...");
00087         goto ERROR;
00088       }
00089 
00090       if (nvalues) {
00091         if ((values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00092           MESSAGE("ERROR : memory allocation ...");
00093           goto ERROR;
00094         }
00095         if (MEDfieldValueRd(fid, fieldname, numdt, numit, MED_CELL, geotype,
00096                             MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) values) < 0) {
00097           MESSAGE("ERROR : read fields values for cells ..."); 
00098           free(values);
00099           goto ERROR; 
00100         }  
00101         free(values);
00102       }
00103     }
00104   }
00105 
00106   ret=0;
00107  ERROR:
00108    
00109   
00110   if (MEDfileClose(fid) < 0) {
00111     MESSAGE("ERROR : close file ...");             
00112     ret=-1; 
00113   } 
00114 
00115   return ret;
00116 }