UsesCase_MEDfield_6.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 #include <med.h>
00029 #define MESGERR 1
00030 #include <med_utils.h>
00031
00032 #include <string.h>
00033
00034 int main (int argc, char **argv) {
00035 med_idt fid;
00036 med_idt nfield, i, j;
00037 char meshname[MED_NAME_SIZE+1]="";
00038 med_bool localmesh;
00039 char fieldname[MED_NAME_SIZE+1]="";
00040 med_field_type fieldtype;
00041 char *componentname = NULL;
00042 char *componentunit = NULL;
00043 char dtunit[MED_SNAME_SIZE+1]="";
00044 med_float *values = NULL;
00045 med_int nstep, nvalues;
00046 med_int ncomponent;
00047 med_int csit, numit, numdt, meshnumit, meshnumdt, it;
00048 med_float dt;
00049 med_geometry_type geotype;
00050 med_geometry_type *geotypes = MED_GET_CELL_GEOMETRY_TYPE;
00051 int k;
00052 int ret=-1;
00053
00054
00055 fid = MEDfileOpen("UsesCase_MEDfield_4.med",MED_ACC_RDONLY);
00056 if (fid < 0) {
00057 MESSAGE("ERROR : open file ...");
00058 goto ERROR;
00059 }
00060
00061
00062
00063
00064
00065 if ((nfield = MEDnField(fid)) < 0) {
00066 MESSAGE("ERROR : How many fields in the file ...");
00067 goto ERROR;
00068 }
00069
00070
00071
00072
00073 for (i=0; i<nfield; i++) {
00074
00075 if ((ncomponent = MEDfieldnComponent(fid,i+1)) < 0) {
00076 MESSAGE("ERROR : number of field component ...");
00077 goto ERROR;
00078 }
00079
00080 if ((componentname = (char *) malloc(ncomponent*MED_SNAME_SIZE+1)) == NULL) {
00081 MESSAGE("ERROR : memory allocation ...");
00082 goto ERROR;
00083 }
00084
00085 if ((componentunit = (char *) malloc(ncomponent*MED_SNAME_SIZE+1)) == NULL) {
00086 MESSAGE("ERROR : memory allocation ...");
00087 goto ERROR;
00088 }
00089
00090 if (MEDfieldInfo(fid, i+1, fieldname, meshname, &localmesh, &fieldtype,
00091 componentname, componentunit, dtunit, &nstep) < 0) {
00092 MESSAGE("ERROR : Field info ...");
00093 free(componentname);
00094 free(componentunit);
00095 goto ERROR;
00096 }
00097 free(componentname);
00098 free(componentunit);
00099
00100
00101
00102
00103 for (csit=0; csit<nstep; csit++) {
00104
00105 if (MEDfieldComputingStepMeshInfo(fid, fieldname, csit+1, &numdt, &numit, &dt,
00106 &meshnumdt, &meshnumit) < 0) {
00107 MESSAGE("ERROR : Computing step info ...");
00108 goto ERROR;
00109 }
00110
00111
00112
00113
00114 for (it=1; it<=MED_N_CELL_FIXED_GEO; it++) {
00115
00116 geotype = geotypes[it];
00117 if ((nvalues = MEDfieldnValue(fid, fieldname, numdt, numit, MED_CELL, geotype)) < 0) {
00118 MESSAGE("ERROR : read number of values ...");
00119 goto ERROR;
00120 }
00121 if (nvalues) {
00122 if ((values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00123 MESSAGE("ERROR : memory allocation ...");
00124 goto ERROR;
00125 }
00126 if (MEDfieldValueRd(fid, fieldname, numdt, numit, MED_CELL, geotype,
00127 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) values) < 0) {
00128 MESSAGE("ERROR : read fields values for cells ...");
00129 free(values);
00130 goto ERROR;
00131 }
00132 free(values);
00133 }
00134
00135 }
00136 }
00137 }
00138
00139 ret=0;
00140 ERROR:
00141
00142
00143 if (MEDfileClose(fid) < 0) {
00144 MESSAGE("ERROR : close file ...");
00145 ret=-1;
00146 }
00147
00148 return ret;
00149 }