UsesCase_MEDfield_3.c
Aller à la documentation de ce fichier.00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018 #include <med.h>
00019 #define MESGERR 1
00020 #include <med_utils.h>
00021
00022 #include <string.h>
00023
00024 #include <med.h>
00025 #define MESGERR 1
00026 #include <med_utils.h>
00027
00028 #include <string.h>
00029
00030
00031
00032
00033
00034
00035 int main (int argc, char **argv) {
00036 med_idt fid;
00037 med_idt nfield, i, j;
00038 char meshname[MED_NAME_SIZE+1]="";
00039 med_bool localmesh;
00040 char fieldname[MED_NAME_SIZE+1]="";
00041 med_field_type fieldtype;
00042 char *componentname = NULL;
00043 char *componentunit = NULL;
00044 char dtunit[MED_SNAME_SIZE+1]="";
00045 med_float *values = NULL;
00046 med_int nstep, nvalues;
00047 med_int ncomponent;
00048 med_geometry_type geotype;
00049 med_geometry_type *geotypes = MED_GET_CELL_GEOMETRY_TYPE;
00050 int ret=-1;
00051
00052
00053 fid = MEDfileOpen("UsesCase_MEDfield_1.med",MED_ACC_RDONLY);
00054 if (fid < 0) {
00055 MESSAGE("ERROR : open file ...");
00056 goto ERROR;
00057 }
00058
00059
00060
00061
00062
00063 if ((nfield = MEDnField(fid)) < 0) {
00064 MESSAGE("ERROR : How many fields in the file ...");
00065 goto ERROR;
00066 }
00067
00068 for (i=0; i<nfield; i++) {
00069
00070
00071
00072
00073
00074 if ((ncomponent = MEDfieldnComponent(fid,i+1)) < 0) {
00075 MESSAGE("ERROR : number of field component ...");
00076 goto ERROR;
00077 }
00078
00079 if ((componentname = (char *) malloc(ncomponent*MED_SNAME_SIZE+1)) == NULL) {
00080 MESSAGE("ERROR : memory allocation ...");
00081 goto ERROR;
00082 }
00083
00084 if ((componentunit = (char *) malloc(ncomponent*MED_SNAME_SIZE+1)) == NULL) {
00085 MESSAGE("ERROR : memory allocation ...");
00086 goto ERROR;
00087 }
00088
00089 if (MEDfieldInfo(fid, i+1, fieldname, meshname, &localmesh, &fieldtype,
00090 componentname, componentunit, dtunit, &nstep) < 0) {
00091 MESSAGE("ERROR : Field info ...");
00092 free(componentname); free(componentunit);
00093 goto ERROR;
00094 }
00095 free(componentname); free(componentunit);
00096
00097
00098
00099
00100 if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE)) < 0) {
00101 MESSAGE("ERROR : read number of values ...");
00102 goto ERROR;
00103 }
00104
00105 if (nvalues) {
00106 if ((values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00107 MESSAGE("ERROR : memory allocation ...");
00108 goto ERROR;
00109 }
00110 if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_NODE, MED_NONE,
00111 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) values) < 0) {
00112 MESSAGE("ERROR : read fields values defined on vertices ...");
00113 free(values);
00114 goto ERROR;
00115 }
00116 free(values);
00117 }
00118
00119
00120 for (j=1; j<=MED_N_CELL_FIXED_GEO; j++) {
00121 geotype = geotypes[j];
00122
00123 if ((nvalues = MEDfieldnValue(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL,
00124 geotype)) < 0) {
00125 MESSAGE("ERROR : read number of values ...");
00126 goto ERROR;
00127 }
00128
00129 if (nvalues) {
00130 if ((values = (med_float *) malloc(sizeof(med_float)*nvalues*ncomponent)) == NULL) {
00131 MESSAGE("ERROR : memory allocation ...");
00132 goto ERROR;
00133 }
00134 if (MEDfieldValueRd(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_CELL, geotype,
00135 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, (unsigned char*) values) < 0) {
00136 MESSAGE("ERROR : read fields values for cells ...");
00137 free(values);
00138 goto ERROR;
00139 }
00140 free(values);
00141 }
00142 }
00143 }
00144
00145 ret=0;
00146 ERROR:
00147
00148
00149 if (MEDfileClose(fid) < 0) {
00150 MESSAGE("ERROR : close file ...");
00151 ret=-1;
00152 }
00153
00154 return ret;
00155 }