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00025 #include <med.h>
00026 #define MESGERR 1
00027 #include <med_utils.h>
00028
00029 #include <string.h>
00030
00031 int main (int argc, char **argv) {
00032 med_idt fid;
00033 char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
00034 med_int spacedim = 2;
00035 med_int meshdim = 2;
00036 char axisname[2*MED_SNAME_SIZE+1] = "x y ";
00037 char unitname[2*MED_SNAME_SIZE+1] = "cm cm ";
00038 med_float coordinates[30] = { 2.,1., 7.,1., 12.,1., 17.,1., 22.,1.,
00039 2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
00040 2.,11., 7.,11., 12.,11., 17.,11., 22.,11.};
00041 med_int nnodes = 15;
00042 med_int triaconnectivity[24] = { 1,7,6, 2,7,1, 3,7,2, 8,7,3,
00043 13,7,8, 12,7,13, 11,7,12, 6,7,11 };
00044 med_int ntria3 = 8;
00045 med_int quadconnectivity[16] = {3,4,9,8, 4,5,10,9,
00046 15,14,9,10, 13,8,9,14};
00047 med_int nquad4 = 4;
00048
00049
00050 fid = MEDfileOpen("UsesCase_MEDmesh_1.med",MED_ACC_CREAT);
00051 if (fid < 0) {
00052 MESSAGE("ERROR : file creation ...");
00053 return -1;
00054 }
00055
00056
00057 if (MEDfileCommentWr(fid,"A 2D unstructured mesh : 15 nodes, 12 cells") < 0) {
00058 MESSAGE("ERROR : write file description ...");
00059 return -1;
00060 }
00061
00062
00063 if (MEDmeshCr(fid, meshname, spacedim, meshdim, MED_UNSTRUCTURED_MESH,
00064 "A 2D unstructured mesh","",MED_SORT_DTIT,MED_CARTESIAN, axisname, unitname) < 0) {
00065 MESSAGE("ERROR : mesh creation ...");
00066 return -1;
00067 }
00068
00069
00070
00071
00072 if (MEDmeshNodeCoordinateWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0,
00073 MED_FULL_INTERLACE, nnodes, coordinates) < 0) {
00074 MESSAGE("ERROR : nodes coordinates ...");
00075 return -1;
00076 }
00077
00078
00079 if (MEDmeshElementConnectivityWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0, MED_CELL, MED_TRIA3,
00080 MED_NODAL, MED_FULL_INTERLACE, ntria3, triaconnectivity) < 0) {
00081 MESSAGE("ERROR : triangular cells connectivity ...");
00082 return -1;
00083 }
00084
00085 if (MEDmeshElementConnectivityWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0, MED_CELL, MED_QUAD4,
00086 MED_NODAL, MED_FULL_INTERLACE, nquad4, quadconnectivity) < 0) {
00087 MESSAGE("ERROR : quadrangular cells connectivity ...");
00088 return -1;
00089 }
00090
00091
00092 if (MEDfamilyCr(fid, meshname,"", 0, 0, "") < 0) {
00093 MESSAGE("ERROR : quadrangular cells connectivity ...");
00094 return -1;
00095 }
00096
00097
00098 if (MEDfileClose(fid) < 0) {
00099 MESSAGE("ERROR : close file ...");
00100 return -1;
00101 }
00102
00103 return 0;
00104 }