UsesCase_MEDfield_7.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 7 : write a field with computing steps and profiles
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_float tria3values_step1_profile1[3] = {1000.,               4000.,                      8000.};
00037   const med_float tria3values_step2_profile1[8] = {1500.,    0.,    0., 4500.,    0.,    0.,    0., 8500.};
00038   const med_float tria3values_step2_profile2[8] = {   0., 2500., 3500.,    0., 5500., 6500., 7500.,   0.};
00039   const med_float quad4values_step1[4] = {10000., 20000., 30000., 40000.};
00040   const med_float quad4values_step2[4] = {15000., 25000., 35000., 45000.};
00041   const char profile1name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE1";
00042   const med_int profile1[3] = {1, 4, 8}; 
00043   const med_int profile1size = 3;
00044   const char profile2name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE2";
00045   const med_int profile2[5] = {2, 3, 5, 6, 7}; 
00046   const med_int profile2size = 5;
00047   const med_int ntria3 = 8;
00048   const med_int nquad4 = 4;
00049   int ret=-1;
00050 
00051   /* file creation */
00052   fid = MEDfileOpen("UsesCase_MEDfield_7.med",MED_ACC_CREAT);
00053   if (fid < 0) {
00054     MESSAGE("ERROR : file creation ...");
00055     goto ERROR;
00056   }
00057 
00058   /* create mesh link */
00059   if (MEDlinkWr(fid,meshname,"./UsesCase_MEDmesh_1.med") < 0) {
00060     MESSAGE("ERROR : create mesh link ...");
00061     goto ERROR;
00062   }
00063   
00064   /* create the profiles in the file */
00065   if (MEDprofileWr(fid, profile1name, profile1size, profile1 ) < 0) {
00066     MESSAGE("ERROR : create profile ...");
00067     goto ERROR; 
00068   }
00069   
00070   if (MEDprofileWr(fid, profile2name, profile2size, profile2 ) < 0) {
00071     MESSAGE("ERROR : create profile ...");
00072     goto ERROR; 
00073   }
00074   
00075   /* field creation : temperature field  : 1 component in celsius degree
00076    *                  the mesh is the 2D unstructured mesh of UsecaseMEDmesh_1.c
00077    *                  use case.
00078    *                  Computation step unit in 'ms'
00079    */ 
00080   if (MEDfieldCr(fid, fieldname, MED_FLOAT64, ncomponent, 
00081                  componentname, componentunit,"ms", meshname) < 0) {
00082     MESSAGE("ERROR : create field");
00083     goto ERROR;
00084   }
00085   
00086   /* two computation steps */
00087   /* write values at cell centers : 8 MED_TRIA3 and 4 MED_QUAD4 */
00088 
00089   /* STEP 1 : dt1 = 5.5, it = 1*/
00090   /* MED_TRIA3 : with a profile of 3 values in compact memory storage mode */
00091   if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL,MED_TRIA3, 
00092                                  MED_COMPACT_PFLMODE, profile1name, MED_NO_LOCALIZATION,
00093                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
00094                                  (unsigned char*) tria3values_step1_profile1) < 0) {
00095     MESSAGE("ERROR : write field values on MED_TRIA3");
00096     goto ERROR;
00097   }
00098    /* MED_QUAD4  : with no profile */ 
00099   if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL, MED_QUAD4, 
00100                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
00101                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, nquad4,
00102                                  (unsigned char*) quad4values_step1) < 0) {
00103     MESSAGE("ERROR : write field values on MED_QUAD4 ");
00104     goto ERROR;
00105   }
00106 
00107   /* STEP 2 : dt2 = 8.9, it = 1*/
00108   /* MED_TRIA3 : with a profile of 3 values then a profile of 5 values in global memory storage mode */
00109   if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3, 
00110                                  MED_GLOBAL_PFLMODE, profile1name, MED_NO_LOCALIZATION,    
00111                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
00112                                  (unsigned char*) tria3values_step2_profile1) < 0) {
00113     MESSAGE("ERROR : write field values on MED_TRIA3 ...");
00114     goto ERROR;
00115   }
00116   if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3, 
00117                                  MED_GLOBAL_PFLMODE, profile2name, MED_NO_LOCALIZATION,    
00118                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, ntria3,
00119                                  (unsigned char*) tria3values_step2_profile2) < 0) {
00120     MESSAGE("ERROR : write field values on MED_TRIA3 ...");
00121     goto ERROR;
00122   }
00123 
00124   /* MED_QUAD4 : with no profile */
00125   if (MEDfieldValueWithProfileWr(fid, fieldname, 2, 1, 8.9, MED_CELL, MED_QUAD4, 
00126                       MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
00127                       MED_FULL_INTERLACE, MED_ALL_CONSTITUENT, nquad4,
00128                       (unsigned char*) quad4values_step2) < 0) {
00129     MESSAGE("ERROR : write field values on MED_QUAD4 ... ");
00130     goto ERROR;
00131   }
00132 
00133   ret=0;
00134  ERROR:
00135 
00136   /* close file */
00137   if (MEDfileClose(fid) < 0) {
00138     MESSAGE("ERROR : close file ...");             
00139     ret=-1; 
00140   } 
00141   
00142   return ret;
00143 }
00144 

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