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00023 #include <med.h>
00024 #define MESGERR 1
00025 #include <med_utils.h>
00026 
00027 #include <string.h>
00028 
00029 int main (int argc, char **argv) {
00030   med_idt fid;
00031   char meshname[MED_NAME_SIZE+1]="";
00032   med_bool localmesh;
00033   const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
00034   med_field_type fieldtype;
00035   char componentname[MED_SNAME_SIZE+1]="";
00036   char componentunit[MED_SNAME_SIZE+1]="";
00037   char dtunit[MED_SNAME_SIZE+1]="";
00038   med_float *verticesvalues = NULL;
00039   med_float *tria3values = NULL;
00040   med_float *quad4values = NULL;
00041   med_int nstep, nvalues;
00042   const med_int ncomponent = 1;
00043   int ret=-1;
00044 
00045   
00046   fid = MEDfileOpen("UsesCase_MEDfield_1.med",MED_ACC_RDONLY);
00047   if (fid < 0) {
00048     MESSAGE("ERROR : open file ...");
00049     goto ERROR;
00050   }
00051 
00052   
00053 
00054 
00055 
00056 
00057   
00058 
00059 
00060   if (MEDfieldInfoByName(fid, fieldname, meshname, &localmesh, &fieldtype,
00061                          componentname, componentunit, dtunit, &nstep) < 0) {
00062     MESSAGE("ERROR : Field info by name ...");
00063     goto ERROR;
00064   } 
00065   
00066   
00067 
00068 
00069 
00070 
00071   
00072   if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE)) < 0) {
00073     MESSAGE("ERROR : read number of values ...");
00074     goto ERROR;
00075   }
00076 
00077   if ((verticesvalues = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00078     MESSAGE("ERROR : memory allocation ...");
00079     goto ERROR;
00080   }
00081   if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE,
00082                       MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) verticesvalues) < 0) {
00083     MESSAGE("ERROR : read fields values on vertices ...");
00084     free(verticesvalues);
00085     goto ERROR;
00086   }
00087   free(verticesvalues);
00088   
00089   
00090   if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, 
00091                                 MED_TRIA3)) < 0) {
00092     MESSAGE("ERROR : read number of values ...");
00093     goto ERROR;
00094   }
00095   if ((tria3values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00096     MESSAGE("ERROR : memory allocation ...");
00097     goto ERROR;
00098   }
00099   if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, MED_TRIA3,
00100                       MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) tria3values) < 0) {
00101     MESSAGE("ERROR : read fields values for MED_TRIA3 cells ...");
00102     free(tria3values);
00103     goto ERROR;
00104   }
00105   free(tria3values);
00106 
00107   
00108   if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, 
00109                                 MED_QUAD4)) < 0) {
00110     MESSAGE("ERROR : read number of values ...");
00111     goto ERROR;
00112   }
00113   if ((quad4values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00114     MESSAGE("ERROR : memory allocation ...");
00115     goto ERROR;
00116   }
00117   if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, MED_QUAD4,
00118                       MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) quad4values) < 0) {
00119     MESSAGE("ERROR : read fields values for MED_QUAD4 cells ...");
00120     free(quad4values);
00121     goto ERROR;
00122   }  
00123   free(quad4values);
00124 
00125   ret=0;
00126  ERROR:
00127 
00128   
00129   if (MEDfileClose(fid) < 0) {
00130     MESSAGE("ERROR : close file ...");
00131     ret=-1;
00132   } 
00133 
00134   return ret;
00135 }