UsesCase_MEDinterp_1.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  * Interp use case 1 : write an interpolation family
00020  * In this example, the interpolation family can be used with
00021  * the TEMPERATURE field of UsesCase_MEDfield_10 use case
00022  */
00023 
00024 #include <med.h>
00025 #define MESGERR 1
00026 #include <med_utils.h>
00027 
00028 #include <string.h>
00029 
00030 int main (int argc, char **argv) {
00031   med_idt fid;
00032   char interpname[MED_NAME_SIZE+1] = "MED_TRIA3 interpolation family";
00033   const med_int nvariable=2;
00034   const med_int maxdegree=1;
00035   const med_int nmaxcoefficient=3;
00036   const med_int         ncoefficient1_1 = 3;
00037   const med_int   const power1_1[]         = {0,0,1,0,0,1};
00038   const med_float const coefficient1_1[]   = {1,-1,-1};
00039 
00040   const med_int         ncoefficient1_2 = 1;
00041   const med_int   const power1_2[]         = {1,0};
00042   const med_float const coefficient1_2[]   = {1};
00043 
00044   const med_int         ncoefficient1_3 = 1;
00045   const med_int   const power1_3[]         = {0,1};
00046   const med_float const coefficient1_3[]   = {1};
00047   int ret=-1;
00048 
00049   /* file creation */
00050   fid = MEDfileOpen("UsesCase_MEDinterp_1.med",MED_ACC_CREAT);
00051   if (fid < 0) {
00052     MESSAGE("ERROR : file creation ...");
00053     goto ERROR;
00054   }
00055  
00056   /* Family interpolation creation :
00057      - reference element = MED_TRIA3 
00058      - integration points of UsesCase_MEDfield_10 use case 
00059      are used to build the interpolation                 
00060      - basis functions are P1(X)= 1-X1-X2, P2(X)= X1, P3(X)= X2 
00061    */
00062   if (MEDinterpCr(fid, interpname, MED_TRIA3, MED_FALSE, nvariable, maxdegree, nmaxcoefficient) < 0) {
00063     MESSAGE("ERROR : interpolation family creation ...");
00064     goto ERROR;
00065   }
00066 
00067   /* Basis functions creation */
00068   if (MEDinterpBaseFunctionWr(fid,interpname,1,ncoefficient1_1,power1_1,coefficient1_1) < 0) {
00069     MESSAGE("ERROR : first base function creation ...");
00070     goto ERROR;
00071   }
00072   
00073   if (MEDinterpBaseFunctionWr(fid,interpname,2,ncoefficient1_2,power1_2,coefficient1_2) < 0) {
00074     MESSAGE("ERROR : second base function creation ...");
00075     goto ERROR;
00076   }
00077 
00078   if (MEDinterpBaseFunctionWr(fid,interpname,3,ncoefficient1_3,power1_3,coefficient1_3) < 0) {
00079     MESSAGE("ERROR : third base function creation ...");
00080     goto ERROR;
00081   }
00082 
00083   ret=0;
00084  ERROR:
00085 
00086   /* close file */
00087   if (MEDfileClose(fid) < 0) {
00088     MESSAGE("ERROR : close file ...");             
00089     ret=-1; 
00090   } 
00091   
00092   return ret;
00093 }

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