MED fichier: usecases/c/UsesCase_MEDfield_15.c

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usecases/c/UsesCase_MEDfield_15.c
/* This file is part of MED.
*
* COPYRIGHT (C) 1999 - 2017 EDF R&D, CEA/DEN
* MED is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MED is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with MED. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Field use case 15 : write a field in a MED file with
* values defined on struct elements
*/
#include <med.h>
#define MESGERR 1
#include <med_utils.h>
#include <string.h>
int main (int argc, char **argv) {
med_idt fid=0,mfid=0;
const char meshname[MED_NAME_SIZE+1] = "COMPUT_MESH";
const char fieldname[MED_NAME_SIZE+1] = "SPEED";
const med_int ncomponent = 3;
/* 123456789012345612345678901234561234567890123456 */
const char componentname[3*MED_SNAME_SIZE+1] = "Vx Vy Vz";
const char componentunit[3*MED_SNAME_SIZE+1] = "m/s m/s m/s";
med_geometry_type geotype=MED_NONE;
const med_int npart = 3;
char structelementname[MED_NAME_SIZE+1]="";
const med_float part_speed1[3*3] = { 1.1, 2.2, 3.3,
4.4, 5.5, 6.6,
7.7, 8.8, 9.9 };
int ret=-1;
/* File creation to write the field */
fid = MEDfileOpen("UsesCase_MEDfield_15.med",MED_ACC_CREAT);
if (fid < 0) {
MESSAGE("ERROR : file creation ...");
goto ERROR;
}
/* Create mesh link */
if (MEDlinkWr(fid,meshname,"./UsesCase_MEDstructElement_1.med") < 0) {
MESSAGE("ERROR : create mesh link ...");
goto ERROR;
}
/*
* Read struct element geometric type
*/
if (( mfid=MEDfileObjectsMount(fid, "UsesCase_MEDstructElement_1.med",MED_ELSTRUCT)) < 0 ) {
MESSAGE("ERROR : file mounting ...");
goto ERROR;
}
strcpy(structelementname, MED_PARTICLE_NAME);
geotype = MEDstructElementGeotype(fid,structelementname);
/*
* Speed field creation for particles :
* - 3 component
* - component unit : m/s
* - mesh is the 3D computation mesh of UsesCase_MEDstructElement_1 use case.
* - computation step unit in 'ms'
*/
if (MEDfieldCr(fid, fieldname, MED_FLOAT64,
ncomponent, componentname, componentunit,
"ms", meshname) < 0) {
MESSAGE("ERROR : create field");
goto ERROR;
}
if (MEDfieldValueWithProfileWr(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT, MED_STRUCT_ELEMENT, geotype,
MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
npart, (unsigned char*) part_speed1) < 0) {
MESSAGE("ERROR : write field values on MED_PARTICLE ");
goto ERROR;
}
if ( MEDfileObjectsUnmount(fid, mfid, MED_ELSTRUCT) < 0 ) {
MESSAGE("ERROR : file unmounting ...");
goto ERROR;
}
ret=0;
ERROR:
/* close file */
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file ...");
ret=-1;
}
return ret;
}