# UsesCase_MEDfield_10.c

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    00001 /*  This file is part of MED.
    00002  *
    00003  *  COPYRIGHT (C) 1999 - 2011  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 10 : write a field in a MED file with computing steps,
    00020  *                     profiles, integration points and interpolation families
    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;
    00032   const char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
    00033   const char fieldname[MED_NAME_SIZE+1] = "TEMPERATURE_FIELD";
    00034   const med_int ncomponent = 1;
    00035   const char componentname[MED_SNAME_SIZE+1] = "TEMPERATURE";
    00036   const char componentunit[MED_SNAME_SIZE+1] = "C";
    00037   const med_float tria3values_step1_profile1[9] = {1000.,1010.,1020.,
    00038                                                    4000.,4010.,4020.,
    00039                                                    8000.,8010.,8020. };
    00040   const med_float tria3values_step2_profile1[24] = {1500.,1510.,1520.,
    00041                                                     0.,   0.,   0.,
    00042                                                     0.,   0.,   0.,
    00043                                                     4500.,4510,4520.,
    00044                                                     0.,   0.,   0.,
    00045                                                     0.,   0.,   0.,
    00046                                                     0.,   0.,   0.,
    00047                                                     8500., 8510, 8520 };
    00048   const med_float tria3values_step2_profile2[32] = {   0.,   0.,   0.,  0.,
    00049                                                        2500.,2510.,2520,2530.,
    00050                                                        3500.,3510.,3520.,3530.,
    00051                                                        0.,   0.,   0.,  0.,
    00052                                                        5500.,5510.,5520.,5530.,
    00053                                                        6500.,6510.,6520.,6530.,
    00054                                                        7500.,7510.,7520.,7530.,
    00055                                                        0.,   0.,   0.,   0. };
    00056   const med_int ntria3 = 8;
    00057   const med_int nquad4 = 4;
    00058   const med_float quad4values_step1[4] = {10000., 20000., 30000., 40000.};
    00059   const med_float quad4values_step2[4] = {15000., 25000., 35000., 45000.};
    00060   const char profile1name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE1";
    00061   const med_int profile1[3] = {1, 4, 8};
    00062   const med_int profile1size = 3;
    00063   const char profile2name[MED_NAME_SIZE+1] = "MED_TRIA3_PROFILE2";
    00064   const med_int profile2[5] = {2, 3, 5, 6, 7};
    00065   const med_int profile2size = 5;
    00066   const char localization1name[MED_NAME_SIZE+1] = "TRIA3_INTEGRATION_POINTS_3";
    00067   const med_float weight1[3] = {1.0/6, 1.0/6, 1.0/6};
    00068   const med_float elementcoordinate[6] = {0.0, 0.0,  1.0, 0.0,  0.0,1.0};
    00069   const med_float ipoint1coordinate[6] = {1.0/6, 1.0/6,  2.0/3, 1.0/6,  1.0/6, 2.0/6};
    00070   const char localization2name[MED_NAME_SIZE+1] = "TRIA3_INTEGRATION_POINTS_4";
    00071   const med_float weight2[6] = {25.0/(24*4), 25.0/(24*4), 25.0/(24*4), -27.0/(24*4)};
    00072   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};
    00073   med_int nipoint, spacedim;
    00074   const char interpname[MED_NAME_SIZE+1] = "MED_TRIA3 interpolation family";
    00075   int ret=-1;
    00076
    00077   /* file creation */
    00078   fid = MEDfileOpen("UsesCase_MEDfield_10.med",MED_ACC_CREAT);
    00079   if (fid < 0) {
    00080     MESSAGE("ERROR : file creation ...");
    00081     goto ERROR;
    00082   }
    00083
    00084   /* create mesh link */
    00085   if (MEDlinkWr(fid,meshname,"./UsesCase_MEDmesh_1.med") < 0) {
    00086     MESSAGE("ERROR : create mesh link ...");
    00087     goto ERROR;
    00088   }
    00089
    00090   /* create the profiles in the file */
    00091   if (MEDprofileWr(fid, profile1name, profile1size, profile1 ) < 0) {
    00092     MESSAGE("ERROR : create profile ...");
    00093     goto ERROR;
    00094   }
    00095
    00096   if (MEDprofileWr(fid, profile2name, profile2size, profile2 ) < 0) {
    00097     MESSAGE("ERROR : create profile ...");
    00098     goto ERROR;
    00099   }
    00100
    00101   /* create the localization elements for integration points */
    00102   spacedim = 2;
    00103   nipoint = 3;
    00104   if (MEDlocalizationWr(fid, localization1name, MED_TRIA3, spacedim,
    00105                         elementcoordinate, MED_FULL_INTERLACE,
    00106                         nipoint, ipoint1coordinate, weight1,
    00107                         MED_NO_INTERPOLATION, MED_NO_MESH_SUPPORT) < 0) {
    00108     MESSAGE("ERROR : create famlily of integration points ...");
    00109     goto ERROR;
    00110   }
    00111
    00112   spacedim = 2;
    00113   nipoint = 4;
    00114   if (MEDlocalizationWr(fid, localization2name, MED_TRIA3, spacedim,
    00115                         elementcoordinate, MED_FULL_INTERLACE,
    00116                         nipoint, ipoint2coordinate, weight2,
    00117                         MED_NO_INTERPOLATION, MED_NO_MESH_SUPPORT) < 0) {
    00118     MESSAGE("ERROR : create famlily of integration points ...");
    00119     goto ERROR;
    00120   }
    00121
    00122   /*
    00123    * Temperature field  creation :
    00124    * - 1 component
    00125    * - component unit : celsius degree
    00126    * - mesh is the 2D unstructured mesh of UsecaseMEDmesh_1.c use case.
    00127    * - computation step unit in 'ms'
    00128    */
    00129   if (MEDfieldCr(fid, fieldname, MED_FLOAT64,
    00130                  ncomponent, componentname, componentunit,
    00131                  "ms", meshname) < 0) {
    00132     MESSAGE("ERROR : create field");
    00133     goto ERROR;
    00134   }
    00135
    00136   /* write interpolation family name for MED_TRIA3 cell type */
    00137   /* The interpolation family "interpname" is created in the UsesCase_MEDinterp_1
    00138      use case */
    00139   if (MEDfieldInterpWr(fid,fieldname,interpname) <0) {
    00140     MESSAGE("ERROR : write field interpolation family name ...");
    00141     goto ERROR;
    00142   }
    00143
    00144   /* two computation steps */
    00145   /* write values at cell centers : 8 MED_TRIA3 and 4 MED_QUAD4 */
    00146
    00147   /* STEP 1 : dt1 = 5.5, it = 1*/
    00148   /* MED_TRIA3 : with a profile of 3 values in compact memory storage mode
    00149      and a family of 3 integration points */
    00150   if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL,MED_TRIA3,
    00151                                  MED_COMPACT_PFLMODE, profile1name, localization1name,
    00152                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
    00153                                  ntria3, (unsigned char*) tria3values_step1_profile1) < 0) {
    00154     MESSAGE("ERROR : write field values on MED_TRIA3");
    00155     goto ERROR;
    00156   }
    00157    /* MED_QUAD4  : with no profile */
    00158   if (MEDfieldValueWithProfileWr(fid, fieldname, 1, 1, 5.5, MED_CELL, MED_QUAD4,
    00159                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
    00160                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
    00161                                  nquad4, (unsigned char*) quad4values_step1) < 0) {
    00162     MESSAGE("ERROR : write field values on MED_QUAD4 ");
    00163     goto ERROR;
    00164   }
    00165
    00166   /* STEP 2 : dt2 = 8.9, it = 1*/
    00167   /* MED_TRIA3 : with a profile of 3 values then a profile of 5 values in global memory storage mode
    00168    * For each profile, a family of 3 and then 4 integration points */
    00169   if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
    00170                                  MED_GLOBAL_PFLMODE, profile1name, localization1name,
    00171                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
    00172                                  ntria3, (unsigned char*) tria3values_step2_profile1) < 0) {
    00173     MESSAGE("ERROR : write field values on MED_TRIA3 ...");
    00174     goto ERROR;
    00175   }
    00176   if (MEDfieldValueWithProfileWr(fid, fieldname, 2 , 1 , 8.9 , MED_CELL, MED_TRIA3,
    00177                                  MED_GLOBAL_PFLMODE, profile2name, localization2name,
    00178                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
    00179                                  ntria3, (unsigned char*) tria3values_step2_profile2) < 0) {
    00180     MESSAGE("ERROR : write field values on MED_TRIA3 ...");
    00181     goto ERROR;
    00182   }
    00183
    00184   /* MED_QUAD4 : with no profile */
    00185   if (MEDfieldValueWithProfileWr(fid, fieldname, 2, 1, 8.9, MED_CELL, MED_QUAD4,
    00186                                  MED_COMPACT_PFLMODE, MED_NO_PROFILE, MED_NO_LOCALIZATION,
    00187                                  MED_FULL_INTERLACE, MED_ALL_CONSTITUENT,
    00188                                  nquad4, (unsigned char*) quad4values_step2) < 0) {
    00189     MESSAGE("ERROR : write field values on MED_QUAD4 ... ");
    00190     goto ERROR;
    00191   }
    00192
    00193   ret=0;
    00194  ERROR:
    00195
    00196   /* close file */
    00197   if (MEDfileClose(fid) < 0) {
    00198     MESSAGE("ERROR : close file ...");
    00199     ret=-1;
    00200   }
    00201
    00202   return ret;
    00203 }
    00204