UsesCase_MEDfield_15b.c
Aller à la documentation de ce fichier.
/* This file is part of MED.
*
* COPYRIGHT (C) 1999 - 2021 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>
#include "med_hdfi.h"
#define MESGERR 1
#include <med_utils.h>
#include <string.h>
int main (int argc, char **argv) {
med_idt fid2=0,oid=0;
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_15b.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
*
* UsesCase_MEDstructElement_1_byid.med
*/
fid2 = MEDfileOpen(argv[1],MED_ACC_RDONLY);
if (fid2 < 0) {
MESSAGE("Erreur � l'ouverture du fichier UsesCase_MEDstructElement_1_byid.med");
goto ERROR;
}
if (( mfid=MEDfileObjectsMountById(fid,fid2,"/byid",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:
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file ...");
ret=-1;
}
return ret;
}
MEDfieldCr
MEDC_EXPORT med_err MEDfieldCr(const med_idt fid, const char *const fieldname, const med_field_type fieldtype, const med_int ncomponent, const char *const componentname, const char *const componentunit, const char *const dtunit, const char *const meshname)
Cette fonction crée un champ dans un fichier.
Definition: MEDfieldCr.c:44
MED_FULL_INTERLACE
Definition: med.h:96
MEDfileOpen
MEDC_EXPORT med_idt MEDfileOpen(const char *const filename, const med_access_mode accessmode)
Ouverture d'un fichier MED.
Definition: MEDfileOpen.c:42
med_geometry_type
int med_geometry_type
Definition: med.h:194
MED_SNAME_SIZE
#define MED_SNAME_SIZE
Definition: med.h:82
MED_PARTICLE_NAME
#define MED_PARTICLE_NAME
Definition: med.h:454
med_idt
hid_t med_idt
Definition: med.h:331
MEDfileObjectsMountById
MEDC_EXPORT med_idt MEDfileObjectsMountById(const med_idt fid, const med_idt chfid, const char *const chpath, const med_class medclass)
Cette routine permet le montage d'une collection d'objets de type medclass dans le fichier associé à ...
Definition: MEDfileObjectsMountById.c:43
MED_ACC_RDONLY
Definition: med.h:120
main
int main(int argc, char **argv)
Definition: UsesCase_MEDfield_15b.c:32
MED_STRUCT_ELEMENT
Definition: med.h:144
MEDfileObjectsUnmount
MEDC_EXPORT med_err MEDfileObjectsUnmount(const med_idt fid, const med_idt mid, const med_class medclass)
Une fois le démontage effectué, les données précédemment montées ne sont plus accessibles.
Definition: MEDfileObjectsUnmount.c:33
MED_NO_LOCALIZATION
#define MED_NO_LOCALIZATION
Definition: med.h:275
MESSAGE
#define MESSAGE(chaine)
Definition: med_utils.h:324
MEDlinkWr
MEDC_EXPORT med_err MEDlinkWr(const med_idt fid, const char *const meshname, const char *const link)
Cette routine permet d'écrire un lien dans un fichier MED.
Definition: MEDlinkWr.c:36
med_int
int med_int
Definition: med.h:342
med_hdfi.h
med.h
med_float
double med_float
Definition: med.h:336
MED_NO_DT
#define MED_NO_DT
Definition: med.h:320
MED_NONE
#define MED_NONE
Definition: med.h:231
MED_ACC_CREAT
Definition: med.h:123
MEDstructElementGeotype
MEDC_EXPORT med_geometry_type MEDstructElementGeotype(const med_idt fid, const char *const modelname)
Cette routine renvoie le type géométrique mgeotype associé au modèle d'éléments de structure de nom m...
Definition: MEDstructElementGeotype.c:38
MED_NAME_SIZE
#define MED_NAME_SIZE
Definition: med.h:81
MEDfileClose
MEDC_EXPORT med_err MEDfileClose(med_idt fid)
Fermeture d'un fichier MED.
Definition: MEDfileClose.c:30
MED_ALL_CONSTITUENT
#define MED_ALL_CONSTITUENT
Definition: med.h:299
MEDfieldValueWithProfileWr
MEDC_EXPORT med_err MEDfieldValueWithProfileWr(const med_idt fid, const char *const fieldname, const med_int numdt, const med_int numit, const med_float dt, const med_entity_type entitype, const med_geometry_type geotype, const med_storage_mode storagemode, const char *const profilename, const char *const localizationname, const med_switch_mode switchmode, const med_int componentselect, const med_int nentity, const unsigned char *const value)
Cette fonction permet d'écrire les valeurs d'un champ définies sur des entités d'un maillage pour une...
Definition: MEDfieldValueWithProfileWr.c:48
MED_COMPACT_STMODE
Definition: med.h:110
MED_NO_PROFILE
#define MED_NO_PROFILE
Definition: med.h:281
MED_UNDEF_DT
#define MED_UNDEF_DT
Definition: med.h:322
MED_FLOAT64
Definition: med.h:166
MED_NO_IT
#define MED_NO_IT
Definition: med.h:321
MED_ELSTRUCT
Definition: med.h:189
med_utils.h