MED fichier: Fichier source de UsesCase_MEDfield_7.c

MED fichier

- Documentation MED
- Guides d'utilisation
- Guides de référence

UsesCase_MEDfield_7.c
Aller à la documentation de ce fichier.
1 /* This file is part of MED.
2 *
3 * COPYRIGHT (C) 1999 - 2019 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 7 : write a field with computing steps and profiles
20 */
21
22 #include <med.h>
23 #define MESGERR 1
24 #include <med_utils.h>
25
26 #include <string.h>
27
28
29 int main (int argc, char **argv) {
30 med_idt fid;
31 const char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
32 const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
33 const med_int ncomponent = 1;
34 const char componentname[MED_SNAME_SIZE+1] = "TEMPERATURE";
35 const char componentunit[MED_SNAME_SIZE+1] = "C";
36 const med_float tria3values_step1_profile1[3] = {1000., 4000., 8000.};
37 const med_float tria3values_step2_profile1[8] = {1500., 0., 0., 4500., 0., 0., 0., 8500.};
38 const med_float tria3values_step2_profile2[8] = { 0., 2500., 3500., 0., 5500., 6500., 7500., 0.};
39 const med_float quad4values_step1[4] = {10000., 20000., 30000., 40000.};
40 const med_float quad4values_step2[4] = {15000., 25000., 35000., 45000.};
41 const char profile1name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE1";
42 const med_int profile1[3] = {1, 4, 8};
43 const med_int profile1size = 3;
44 const char profile2name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE2";
45 const med_int profile2[5] = {2, 3, 5, 6, 7};
46 const med_int profile2size = 5;
47 const med_int ntria3 = 8;
48 const med_int nquad4 = 4;
49 int ret=-1;
50
51 /* file creation */
52 fid = MEDfileOpen("UsesCase_MEDfield_7.med",MED_ACC_CREAT);
53 if (fid < 0) {
54 MESSAGE("ERROR : file creation ...");
55 goto ERROR;
56 }
57
58 /* create mesh link */
59 if (MEDlinkWr(fid,meshname,"./UsesCase_MEDmesh_1.med") < 0) {
60 MESSAGE("ERROR : create mesh link ...");
61 goto ERROR;
62 }
63
64 /* create the profiles in the file */
65 if (MEDprofileWr(fid, profile1name, profile1size, profile1 ) < 0) {
66 MESSAGE("ERROR : create profile ...");
67 goto ERROR;
68 }
69
70 if (MEDprofileWr(fid, profile2name, profile2size, profile2 ) < 0) {
71 MESSAGE("ERROR : create profile ...");
72 goto ERROR;
73 }
74
75 /* field creation : temperature field : 1 component in celsius degree
76 * the mesh is the 2D unstructured mesh of UsecaseMEDmesh_1.c
77 * use case.
78 * Computation step unit in 'ms'
79 */
80 if (MEDfieldCr(fid, fieldname, MED_FLOAT64, ncomponent,
81 componentname, componentunit,"ms", meshname) < 0) {
82 MESSAGE("ERROR : create field");
83 goto ERROR;
84 }
85
86 /* two computation steps */
87 /* write values at cell centers : 8 MED_TRIA3 and 4 MED_QUAD4 */
88
89 /* STEP 1 : dt1 = 5.5, it = 1*/
90 /* MED_TRIA3 : with a profile of 3 values in compact memory storage mode */
91 if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL,MED_TRIA3,
92 MED_COMPACT_STMODE, profile1name, MED_NO_LOCALIZATION,
93 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
94 (unsigned char*) tria3values_step1_profile1) < 0) {
95 MESSAGE("ERROR : write field values on MED_TRIA3");
96 goto ERROR;
97 }
98 /* MED_QUAD4 : with no profile */
99 if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL, MED_QUAD4,
100 MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
101 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, nquad4,
102 (unsigned char*) quad4values_step1) < 0) {
103 MESSAGE("ERROR : write field values on MED_QUAD4 ");
104 goto ERROR;
105 }
106
107 /* STEP 2 : dt2 = 8.9, it = 1*/
108 /* MED_TRIA3 : with a profile of 3 values then a profile of 5 values in global memory storage mode */
109 if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
110 MED_GLOBAL_STMODE, profile1name, MED_NO_LOCALIZATION,
111 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
112 (unsigned char*) tria3values_step2_profile1) < 0) {
113 MESSAGE("ERROR : write field values on MED_TRIA3 ...");
114 goto ERROR;
115 }
116 if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
117 MED_GLOBAL_STMODE, profile2name, MED_NO_LOCALIZATION,
118 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
119 (unsigned char*) tria3values_step2_profile2) < 0) {
120 MESSAGE("ERROR : write field values on MED_TRIA3 ...");
121 goto ERROR;
122 }
123
124 /* MED_QUAD4 : with no profile */
125 if (MEDfieldValueWithProfileWr(fid, fieldname, 2, 1, 8.9, MED_CELL, MED_QUAD4,
126 MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
127 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, nquad4,
128 (unsigned char*) quad4values_step2) < 0) {
129 MESSAGE("ERROR : write field values on MED_QUAD4 ... ");
130 goto ERROR;
131 }
132
133 ret=0;
134 ERROR:
135
136 /* close file */
137 if (MEDfileClose(fid) < 0) {
138 MESSAGE("ERROR : close file ...");
139 ret=-1;
140 }
141
142 return ret;
143 }
144
MED_QUAD4
#define MED_QUAD4
Definition: med.h:201
MED_TRIA3
#define MED_TRIA3
Definition: med.h:200
med_utils.h
MEDfileOpen
MEDC_EXPORT med_idt MEDfileOpen(const char *const filename, const med_access_mode accessmode)
Ouverture d'un fichier MED.
Definition: MEDfileOpen.c:41
MED_FULL_INTERLACE
Definition: med.h:94
MED_ACC_CREAT
Definition: med.h:121
MED_GLOBAL_STMODE
Definition: med.h:107
MED_NO_LOCALIZATION
#define MED_NO_LOCALIZATION
Definition: med.h:272
med_float
double med_float
Definition: med.h:331
MEDprofileWr
MEDC_EXPORT med_err MEDprofileWr(const med_idt fid, const char *const profilename, const med_int profilesize, const med_int *const profilearray)
Cette routine permet d'écrire un profil dans un fichier MED.
Definition: MEDprofileWr.c:40
MED_ALL_CONSTITUENT
#define MED_ALL_CONSTITUENT
Definition: med.h:296
MESSAGE
#define MESSAGE(chaine)
Definition: med_utils.h:316
MED_FLOAT64
Definition: med.h:163
MEDfileClose
MEDC_EXPORT med_err MEDfileClose(med_idt fid)
Fermeture d'un fichier MED.
Definition: MEDfileClose.c:30
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_COMPACT_STMODE
Definition: med.h:108
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_CELL
Definition: med.h:141
med_int
int med_int
Definition: med.h:337
MED_NO_PROFILE
#define MED_NO_PROFILE
Definition: med.h:278
med_idt
hid_t med_idt
Definition: med.h:326
main
int main(int argc, char **argv)
Definition: UsesCase_MEDfield_7.c:29
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:46
MED_NAME_SIZE
#define MED_NAME_SIZE
Definition: med.h:79
MED_SNAME_SIZE
#define MED_SNAME_SIZE
Definition: med.h:80
med.h