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UsesCase_MEDfield_10.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 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,
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,
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,
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,
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,
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,
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,
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