MED fichier

UsesCase_MEDfield_10.c
Aller à la documentation de ce fichier.
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 10 : write a field in a MED file with computing steps,
20 * profiles, integration points and interpolation families
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;
32 const char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
33 const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
34 const med_int ncomponent = 1;
35 const char componentname[MED_SNAME_SIZE+1] = "TEMPERATURE";
36 const char componentunit[MED_SNAME_SIZE+1] = "C";
37 const med_float tria3values_step1_profile1[9] = {1000.,1010.,1020.,
38 4000.,4010.,4020.,
39 8000.,8010.,8020. };
40 const med_float tria3values_step2_profile1[24] = {1500.,1510.,1520.,
41 0., 0., 0.,
42 0., 0., 0.,
43 4500.,4510,4520.,
44 0., 0., 0.,
45 0., 0., 0.,
46 0., 0., 0.,
47 8500., 8510, 8520 };
48 const med_float tria3values_step2_profile2[32] = { 0., 0., 0., 0.,
49 2500.,2510.,2520,2530.,
50 3500.,3510.,3520.,3530.,
51 0., 0., 0., 0.,
52 5500.,5510.,5520.,5530.,
53 6500.,6510.,6520.,6530.,
54 7500.,7510.,7520.,7530.,
55 0., 0., 0., 0. };
56 const med_int ntria3 = 8;
57 const med_int nquad4 = 4;
58 const med_float quad4values_step1[4] = {10000., 20000., 30000., 40000.};
59 const med_float quad4values_step2[4] = {15000., 25000., 35000., 45000.};
60 const char profile1name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE1";
61 const med_int profile1[3] = {1, 4, 8};
62 const med_int profile1size = 3;
63 const char profile2name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE2";
64 const med_int profile2[5] = {2, 3, 5, 6, 7};
65 const med_int profile2size = 5;
66 const char localization1name[MED_NAME_SIZE+1] = "TRIA3_INTEGRATION_POINTS_3";
67 const med_float weight1[3] = {1.0/6, 1.0/6, 1.0/6};
68 const med_float elementcoordinate[6] = {0.0, 0.0, 1.0, 0.0, 0.0,1.0};
69 const med_float ipoint1coordinate[6] = {1.0/6, 1.0/6, 2.0/3, 1.0/6, 1.0/6, 2.0/6};
70 const char localization2name[MED_NAME_SIZE+1] = "TRIA3_INTEGRATION_POINTS_4";
71 const med_float weight2[6] = {25.0/(24*4), 25.0/(24*4), 25.0/(24*4), -27.0/(24*4)};
72 const med_float ipoint2coordinate[8] = {1.0/5, 1.0/5, 3.0/5, 1.0/5, 1.0/5, 3.0/5, 1.0/3, 1.0/3};
73 med_int nipoint, spacedim;
74 const char interpname[MED_NAME_SIZE+1] = "MED_TRIA3 interpolation family";
75 int ret=-1;
76
77 /* file creation */
78 fid = MEDfileOpen("UsesCase_MEDfield_10.med",MED_ACC_CREAT);
79 if (fid < 0) {
80 MESSAGE("ERROR : file creation ...");
81 goto ERROR;
82 }
83
84 /* create mesh link */
85 if (MEDlinkWr(fid,meshname,"./UsesCase_MEDmesh_1.med") < 0) {
86 MESSAGE("ERROR : create mesh link ...");
87 goto ERROR;
88 }
89
90 /* create the profiles in the file */
91 if (MEDprofileWr(fid, profile1name, profile1size, profile1 ) < 0) {
92 MESSAGE("ERROR : create profile ...");
93 goto ERROR;
94 }
95
96 if (MEDprofileWr(fid, profile2name, profile2size, profile2 ) < 0) {
97 MESSAGE("ERROR : create profile ...");
98 goto ERROR;
99 }
100
101 /* create the localization elements for integration points */
102 spacedim = 2;
103 nipoint = 3;
104 if (MEDlocalizationWr(fid, localization1name, MED_TRIA3, spacedim,
105 elementcoordinate, MED_FULL_INTERLACE,
106 nipoint, ipoint1coordinate, weight1,
107 MED_NO_INTERPOLATION, MED_NO_MESH_SUPPORT) < 0) {
108 MESSAGE("ERROR : create famlily of integration points ...");
109 goto ERROR;
110 }
111
112 spacedim = 2;
113 nipoint = 4;
114 if (MEDlocalizationWr(fid, localization2name, MED_TRIA3, spacedim,
115 elementcoordinate, MED_FULL_INTERLACE,
116 nipoint, ipoint2coordinate, weight2,
117 MED_NO_INTERPOLATION, MED_NO_MESH_SUPPORT) < 0) {
118 MESSAGE("ERROR : create famlily of integration points ...");
119 goto ERROR;
120 }
121
122 /*
123 * Temperature field creation :
124 * - 1 component
125 * - component unit : celsius degree
126 * - mesh is the 2D unstructured mesh of UsecaseMEDmesh_1.c use case.
127 * - computation step unit in 'ms'
128 */
129 if (MEDfieldCr(fid, fieldname, MED_FLOAT64,
130 ncomponent, componentname, componentunit,
131 "ms", meshname) < 0) {
132 MESSAGE("ERROR : create field");
133 goto ERROR;
134 }
135
136 /* write interpolation family name for MED_TRIA3 cell type */
137 /* The interpolation family "interpname" is created in the UsesCase_MEDinterp_1
138 use case */
139 if (MEDfieldInterpWr(fid,fieldname,interpname) <0) {
140 MESSAGE("ERROR : write field interpolation family name ...");
141 goto ERROR;
142 }
143
144 /* two computation steps */
145 /* write values at cell centers : 8 MED_TRIA3 and 4 MED_QUAD4 */
146
147 /* STEP 1 : dt1 = 5.5, it = 1*/
148 /* MED_TRIA3 : with a profile of 3 values in compact memory storage mode
149 and a family of 3 integration points */
150 if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL,MED_TRIA3,
151 MED_COMPACT_STMODE, profile1name, localization1name,
152 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
153 ntria3, (unsigned char*) tria3values_step1_profile1) < 0) {
154 MESSAGE("ERROR : write field values on MED_TRIA3");
155 goto ERROR;
156 }
157 /* MED_QUAD4 : with no profile */
158 if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL, MED_QUAD4,
159 MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
160 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
161 nquad4, (unsigned char*) quad4values_step1) < 0) {
162 MESSAGE("ERROR : write field values on MED_QUAD4 ");
163 goto ERROR;
164 }
165
166 /* STEP 2 : dt2 = 8.9, it = 1*/
167 /* MED_TRIA3 : with a profile of 3 values then a profile of 5 values in global memory storage mode
168 * For each profile, a family of 3 and then 4 integration points */
169 if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
170 MED_GLOBAL_STMODE, profile1name, localization1name,
171 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
172 ntria3, (unsigned char*) tria3values_step2_profile1) < 0) {
173 MESSAGE("ERROR : write field values on MED_TRIA3 ...");
174 goto ERROR;
175 }
176 if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
177 MED_GLOBAL_STMODE, profile2name, localization2name,
178 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
179 ntria3, (unsigned char*) tria3values_step2_profile2) < 0) {
180 MESSAGE("ERROR : write field values on MED_TRIA3 ...");
181 goto ERROR;
182 }
183
184 /* MED_QUAD4 : with no profile */
185 if (MEDfieldValueWithProfileWr(fid, fieldname, 2, 1, 8.9, MED_CELL, MED_QUAD4,
186 MED_COMPACT_STMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
187 MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
188 nquad4, (unsigned char*) quad4values_step2) < 0) {
189 MESSAGE("ERROR : write field values on MED_QUAD4 ... ");
190 goto ERROR;
191 }
192
193 ret=0;
194 ERROR:
195
196 /* close file */
197 if (MEDfileClose(fid) < 0) {
198 MESSAGE("ERROR : close file ...");
199 ret=-1;
200 }
201
202 return ret;
203 }
204
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_TRIA3
#define MED_TRIA3
Definition: med.h:203
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_SNAME_SIZE
#define MED_SNAME_SIZE
Definition: med.h:82
med_idt
hid_t med_idt
Definition: med.h:331
MED_NO_LOCALIZATION
#define MED_NO_LOCALIZATION
Definition: med.h:275
MED_CELL
Definition: med.h:143
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_NO_MESH_SUPPORT
#define MED_NO_MESH_SUPPORT
Definition: med.h:273
MEDfieldInterpWr
MEDC_EXPORT med_err MEDfieldInterpWr(const med_idt fid, const char *const fieldname, const char *const interpname)
Cette routine associe une fonction d'interpolation interpname au champ résultat fieldname.
Definition: MEDfieldInterpWr.c:36
med.h
med_float
double med_float
Definition: med.h:336
MED_ACC_CREAT
Definition: med.h:123
MED_GLOBAL_STMODE
Definition: med.h:109
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_NAME_SIZE
#define MED_NAME_SIZE
Definition: med.h:81
main
int main(int argc, char **argv)
Definition: UsesCase_MEDfield_10.c:30
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_FLOAT64
Definition: med.h:166
MED_NO_INTERPOLATION
#define MED_NO_INTERPOLATION
Definition: med.h:277
MEDlocalizationWr
MEDC_EXPORT med_err MEDlocalizationWr(const med_idt fid, const char *const localizationname, const med_geometry_type geotype, const med_int spacedimension, const med_float *const elementcoordinate, const med_switch_mode switchmode, const med_int nipoint, const med_float *const ipointcoordinate, const med_float *const weight, const char *const geointerpname, const char *const ipointstructmeshname)
Cette routine permet l'écriture d'une localisation localizationname de points d'intégration dans/auto...
Definition: MEDlocalizationWr.c:49
med_utils.h
MED_QUAD4
#define MED_QUAD4
Definition: med.h:204