UsesCase_MEDfield_15.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 15 : write a field in a MED file with 
00020  * values defined on struct elements
00021  */
00022 
00023 #include <med.h>
00024 #define MESGERR 1
00025 #include <med_utils.h>
00026 
00027 #include <string.h>
00028 
00029 
00030 int main (int argc, char **argv) {
00031   med_idt fid=0,mfid=0;
00032   const char meshname[MED_NAME_SIZE+1] = "COMPUT_MESH";
00033   const char fieldname[MED_NAME_SIZE+1] = "SPEED";
00034   const med_int ncomponent = 3;
00035   /*                                              123456789012345612345678901234561234567890123456 */   
00036   const char componentname[3*MED_SNAME_SIZE+1] = "Vx              Vy              Vz";
00037   const char componentunit[3*MED_SNAME_SIZE+1] = "m/s             m/s             m/s";
00038   med_geometry_type geotype=MED_NONE;
00039   const med_int npart = 3;
00040   char structelementname[MED_NAME_SIZE+1]="";
00041   const med_float part_speed1[3*3] = { 1.1, 2.2, 3.3,
00042                                  4.4, 5.5, 6.6,
00043                                  7.7, 8.8, 9.9 };
00044   int ret=-1;
00045 
00046 
00047   /* File creation to write the field */
00048   fid = MEDfileOpen("UsesCase_MEDfield_15.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_MEDstructElement_1.med") < 0) {
00056     MESSAGE("ERROR : create mesh link ...");
00057     goto ERROR;
00058   }
00059 
00060   /*
00061    * Read struct element geometric type
00062    */
00063   if (( mfid=MEDfileObjectsMount(fid,  "UsesCase_MEDstructElement_1.med",MED_ELSTRUCT)) < 0 ) {
00064     MESSAGE("ERROR : file mounting ...");
00065     goto ERROR;
00066   }
00067 
00068   strcpy(structelementname,MED_PARTICLE_NAME);
00069   geotype = MEDstructElementGeotype(fid,structelementname);
00070 
00071 
00072   /*
00073    * Speed field  creation for particles :
00074    * - 3 component
00075    * - component unit : m/s
00076    * - mesh is the 3D computation mesh of UsesCase_MEDstructElement_1 use case.
00077    * - computation step unit in 'ms'
00078    */
00079   if (MEDfieldCr(fid, fieldname, MED_FLOAT64,
00080                  ncomponent, componentname, componentunit,
00081                  "ms", meshname) < 0) {
00082     MESSAGE("ERROR : create field");
00083     goto ERROR;
00084   }
00085 
00086   if (MEDfieldValueWithProfileWr(fid, fieldname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT, MED_STRUCT_ELEMENT, geotype, 
00087                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
00088                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
00089                                  npart, (unsigned char*) part_speed1) < 0) {
00090     MESSAGE("ERROR : write field values on MED_PARTICLE ");
00091     goto ERROR;
00092   }
00093 
00094   if ( MEDfileObjectsUnmount(fid, mfid, MED_ELSTRUCT) < 0 ) {
00095     MESSAGE("ERROR : file unmounting ...");
00096     goto ERROR;
00097   }
00098 
00099   ret=0;
00100  ERROR:
00101 
00102   /* close file */
00103   if (MEDfileClose(fid) < 0) {
00104     MESSAGE("ERROR : close file ...");
00105     ret=-1;
00106   }
00107   
00108   return ret;
00109 }
00110 

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