UsesCase_MEDfield_13.c

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00001 /*  This file is part of MED.
00002  *
00003  *  COPYRIGHT (C) 1999 - 2015  EDF R&D, CEA/DEN
00004  *  MED is free software: you can redistribute it and/or modify
00005  *  it under the terms of the GNU Lesser General Public License as published by
00006  *  the Free Software Foundation, either version 3 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  MED is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU Lesser General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Lesser General Public License
00015  *  along with MED.  If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 
00018 /* 
00019  * Field use case 13 : write a field on nodes elements in a MED file
00020  */
00021 
00022 #include <med.h>
00023 #define MESGERR 1
00024 #include <med_utils.h>
00025 
00026 #include <string.h>
00027 
00028 
00029 int main (int argc, char **argv) {
00030   med_idt fid;
00031   const char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
00032   const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
00033   const med_int ncomponent = 1;
00034   const char componentname[MED_SNAME_SIZE+1] = "TEMPERATURE";
00035   const char componentunit[MED_SNAME_SIZE+1] = "C";
00036   const med_int nquad4 = 4;
00037   const med_float quad4values_step1[4*4] = { 10000.,  20000.,  30000.,  40000.,
00038                                              50000.,  60000.,  70000.,  80000.,
00039                                              90000., 100000., 110000., 120000.,
00040                                              130000., 140000., 150000., 160000. };
00041   const med_float quad4values_step2[4*4] = { 100.,  200.,  300.,  400.,
00042                                              500.,  600.,  700.,  800.,
00043                                              900., 1000., 1100., 1200.,
00044                                              1300., 1400., 1500., 1600. };
00045   int ret=-1;
00046   
00047   /* file creation */
00048   fid = MEDfileOpen("UsesCase_MEDfield_13.med",MED_ACC_CREAT);
00049   if (fid < 0) {
00050     MESSAGE("ERROR : file creation ...");
00051     goto ERROR;
00052   }
00053 
00054   /* create mesh link */
00055   if (MEDlinkWr(fid,meshname,"./UsesCase_MEDmesh_1.med") < 0) {
00056     MESSAGE("ERROR : create mesh link ...");
00057     goto ERROR;
00058   }
00059   
00060   /* 
00061    * Temperature field  creation : 
00062    * - 1 component 
00063    * - component unit : celsius degree
00064    * - mesh is the 2D unstructured mesh of UsecaseMEDmesh_1.c use case.
00065    * - computation step unit in 'ms'
00066    */ 
00067   if (MEDfieldCr(fid, fieldname, MED_FLOAT64, 
00068                  ncomponent, componentname, componentunit,
00069                  "ms", meshname) < 0) {
00070     MESSAGE("ERROR : create field");
00071     goto ERROR;
00072   }
00073   
00074   /* two computation steps */
00075   /* write values at nodes elements : 4 MED_QUAD4 */
00076 
00077   /* STEP 1 : dt1 = 5.5, it = 1*/
00078   /* MED_QUAD4  : with no profile */ 
00079   if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_NODE_ELEMENT, MED_QUAD4, 
00080                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
00081                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, 
00082                                  nquad4, (unsigned char*) quad4values_step1) < 0) {
00083     MESSAGE("ERROR : write field values on MED_QUAD4 ");
00084     goto ERROR;
00085   }
00086 
00087   /* STEP 2 : dt2 = 8.9, it = 1*/
00088   /* MED_QUAD4 : with no profile */
00089   if (MEDfieldValueWithProfileWr(fid, fieldname, 2, 1, 8.9, MED_NODE_ELEMENT, MED_QUAD4, 
00090                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
00091                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,  
00092                                  nquad4, (unsigned char*) quad4values_step2) < 0) {
00093     MESSAGE("ERROR : write field values on MED_QUAD4 ... ");
00094     goto ERROR;
00095   }
00096 
00097   ret=0;
00098  ERROR:
00099   
00100   /* close file */
00101   if (MEDfileClose(fid) < 0) {
00102     MESSAGE("ERROR : close file ...");             
00103     ret=-1; 
00104   } 
00105   
00106   return ret;
00107 }
00108 

Généré le Thu Oct 8 14:26:17 2015 pour MED fichier par  doxygen 1.6.1