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UsesCase_MEDfield_15.c
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1 /* This file is part of MED.
2 *
3 * COPYRIGHT (C) 1999 - 2021 EDF R&D, CEA/DEN
4 * MED is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * MED is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with MED. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 /*
19 * Field use case 15 : write a field in a MED file with
20 * values defined on struct elements
21 */
22
23 #include <med.h>
24 #define MESGERR 1
25 #include <med_utils.h>
26
27 #include <string.h>
28
29
30 int main (int argc, char **argv) {
31 med_idt fid=0,mfid=0;
32 const char meshname[MED_NAME_SIZE+1] = "COMPUT_MESH";
33 const char fieldname[MED_NAME_SIZE+1] = "SPEED";
34 const med_int ncomponent = 3;
35 /* 123456789012345612345678901234561234567890123456 */
36 const char componentname[3*MED_SNAME_SIZE+1] = "Vx Vy Vz";
37 const char componentunit[3*MED_SNAME_SIZE+1] = "m/s m/s m/s";
38 med_geometry_type geotype=MED_NONE;
39 const med_int npart = 3;
40 char structelementname[MED_NAME_SIZE+1]="";
41 const med_float part_speed1[3*3] = { 1.1, 2.2, 3.3,
42 4.4, 5.5, 6.6,
43 7.7, 8.8, 9.9 };
44 int ret=-1;
45
46
47 /* File creation to write the field */
48 fid = MEDfileOpen("UsesCase_MEDfield_15.med",MED_ACC_CREAT);
49 if (fid < 0) {
50 MESSAGE("ERROR : file creation ...");
51 goto ERROR;
52 }
53
54 /* Create mesh link */
55 if (MEDlinkWr(fid,meshname,"./UsesCase_MEDstructElement_1.med") < 0) {
56 MESSAGE("ERROR : create mesh link ...");
57 goto ERROR;
58 }
59
60 /*
61 * Read struct element geometric type
62 */
63 if (( mfid=MEDfileObjectsMount(fid, "UsesCase_MEDstructElement_1.med",MED_ELSTRUCT)) < 0 ) {
64 MESSAGE("ERROR : file mounting ...");
65 goto ERROR;
66 }
67
68 strcpy(structelementname,MED_PARTICLE_NAME);
69 geotype = MEDstructElementGeotype(fid,structelementname);
70
71
72 /*
73 * Speed field creation for particles :
74 * - 3 component
75 * - component unit : m/s
76 * - mesh is the 3D computation mesh of UsesCase_MEDstructElement_1 use case.
77 * - computation step unit in 'ms'
78 */
79 if (MEDfieldCr(fid, fieldname, MED_FLOAT64,
80 ncomponent, componentname, componentunit,
81 "ms", meshname) < 0) {
82 MESSAGE("ERROR : create field");
83 goto ERROR;
84 }
85
86 if (MEDfieldValueWithProfileWr(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT, MED_STRUCT_ELEMENT, geotype,
87 MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
88 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
89 npart, (unsigned char*) part_speed1) < 0) {
90 MESSAGE("ERROR : write field values on MED_PARTICLE ");
91 goto ERROR;
92 }
93
94 if ( MEDfileObjectsUnmount(fid, mfid, MED_ELSTRUCT) < 0 ) {
95 MESSAGE("ERROR : file unmounting ...");
96 goto ERROR;
97 }
98
99 ret=0;
100 ERROR:
101
102 /* close file */
103 if (MEDfileClose(fid) < 0) {
104 MESSAGE("ERROR : close file ...");
105 ret=-1;
106 }
107
108 return ret;
109 }
110
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
main
int main(int argc, char **argv)
Definition: UsesCase_MEDfield_15.c:30
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
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.h
med_float
double med_float
Definition: med.h:336
MEDfileObjectsMount
MEDC_EXPORT med_idt MEDfileObjectsMount(const med_idt fid, const char *const filename, const med_class medclass)
Cette routine permet de monter dans le fichier courant un type de données (exemples les maillages,...
Definition: MEDfileObjectsMount.c:40
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