int main (int argc, char **argv)
{
med_err _ret=0;
med_idt _fid=0;
med_geometry_type _geotype=MED_NONE;
const char _elementname1[]="MED_BILLE";
/* med_int _elementdim1=3; */
/* const char _supportmeshname1[]="MED_BILLE_SUPPORT"; */
/* med_entity_type _entitytype1=MED_NODE; */
/* med_int _nnode1=1; */
/* med_int _ncell1=0; */
/* med_int _geocelltype1=MED_NONE; */
const char _varattname1_1[MED_NAME_SIZE+1]="MED_VFOO_ATR1_1";
/* const med_attribute_type _varatttype1_1=MED_ATT_INT; */
/* const med_int _ncomponent1_1=1; */
const med_int _varatrvalue1_1[3]={ 22 , 24, 25 };
/* const char _varattname1_2[MED_NAME_SIZE+1]="MED_VFOO_ATR1_2"; */
/* const med_attribute_type _varatttype1_2=MED_ATT_FLOAT64; */
/* const med_int _ncomponent1_2=2; */
const char _varattname1_3[MED_NAME_SIZE+1]="MED_VFOO_ATR1_3";
const med_attribute_type _varatttype1_3=MED_ATT_NAME;
const med_int _ncomponent1_3=1;
/*Ce qui suit est une seule chaine */
const char _varatrvalue1_3[3*MED_NAME_SIZE+1]=
{ "*--------------------------------1-----------------------------*"
"*--------------------------------2-----------------------------*"
"*--------------------------------3-----------------------------*"
};
const char _meshname[]="maa1";
char _axisname[3*MED_SNAME_SIZE+1]="";
char _axisunit[3*MED_SNAME_SIZE+1]="";
strcat(_axisname,"x ");
strcat(_axisname,"y ");
strcat(_axisname,"z ");
strcat(_axisunit,"cm ");
strcat(_axisunit,"cm ");
strcat(_axisunit,"cm ");
const med_int _nentity = 3;
const med_int _con[3]={ 2, 4 ,5}; /* (3 billes dont les centres sont les noeuds 2, 4 et 5 du maillage maa1 )*/
/* Ouverture en mode lecture du fichier Test_MEDstructuElement.med */
_fid = MEDfileOpen("current.med",MODE_ACCES);
if (_fid < 0) {
MESSAGE("Erreur à l'ouverture du fichier current.med");
return -1;
}
/* Creation du maillage "maa1" de type MED_UNSTRUCTURED_MESH
et de dimension 3 */
if (MEDmeshCr(_fid,_meshname,3,3,MED_UNSTRUCTURED_MESH, "un premier maillage","s",MED_SORT_DTIT,
MED_CARTESIAN,_axisname,_axisunit) < 0) {
MESSAGE("Erreur a la creation du maillage maa1");
return -1;
}
_geotype = MEDstructElementGeotype(_fid,_elementname1);
/* ecriture des connectivites des segments */
if ( MEDmeshElementConnectivityWr(_fid,_meshname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT,
MED_STRUCT_ELEMENT, _geotype, MED_NODAL,
MED_FULL_INTERLACE, _nentity, _con) < 0 ) {
MESSAGE("Impossible d'ecrire la connectivité des billes: ");
return -1;
}
if (MEDmeshStructElementVarAttWr(_fid,
_meshname,
MED_NO_DT,
MED_NO_IT,
_geotype,
_varattname1_1,
_nentity,
_varatrvalue1_1
) < 0 ) {
return -1;
}
if (MEDmeshStructElementVarAttWr(_fid,
_meshname,
MED_NO_DT,
MED_NO_IT,
_geotype,
_varattname1_3,
_nentity,
_varatrvalue1_3
) < 0 ) {
return -1;
}
if ( MEDmeshComputationStepCr(_fid,_meshname,MED_NO_DT,MED_NO_IT,
1,MED_NO_IT,0.5) < 0) {
fprintf(stderr,"Erreur a la creation du pas de temps du maillage %s\n",_meshname);
return -1;
}
return _ret;
}
int main (int argc, char **argv) {
med_idt fid;
const char meshname[MED_NAME_SIZE+1] = "2D unstructured mesh";
const med_int spacedim = 2;
const med_int meshdim = 2;
/* 12345678901234561234567890123456 */
const char axisname[2*MED_SNAME_SIZE+1] = "x y ";
const char unitname[2*MED_SNAME_SIZE+1] = "cm cm ";
const med_float coordinates[30] = { 2.,1., 7.,1., 12.,1., 17.,1., 22.,1.,
2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
2.,11., 7.,11., 12.,11., 17.,11., 22.,11.};
const med_int nnodes = 15;
const med_int triaconnectivity[24] = { 1,7,6, 2,7,1, 3,7,2, 8,7,3,
13,7,8, 12,7,13, 11,7,12, 6,7,11 };
const med_int ntria3 = 8;
const med_int quadconnectivity[16] = {3,4,9,8, 4,5,10,9,
15,14,9,10, 13,8,9,14};
const med_int nquad4 = 4;
med_err ret=-1;
/* open MED file */
fid = MEDfileOpen("UsesCase_MEDmesh_1.med",MED_ACC_CREAT);
if (fid < 0) {
MESSAGE("ERROR : file creation ...");
goto ERROR;
}
/* write a comment in the file */
if (MEDfileCommentWr(fid,"A 2D unstructured mesh : 15 nodes, 12 cells") < 0) {
MESSAGE("ERROR : write file description ...");
goto ERROR;
}
/* mesh creation : a 2D unstructured mesh */
if (MEDmeshCr(fid, meshname, spacedim, meshdim, MED_UNSTRUCTURED_MESH,
"A 2D unstructured mesh","",MED_SORT_DTIT,MED_CARTESIAN, axisname, unitname) < 0) {
MESSAGE("ERROR : mesh creation ...");
goto ERROR;
}
/* nodes coordinates in a cartesian axis in full interlace mode
(X1,Y1, X2,Y2, X3,Y3, ...) with no iteration and computation step
*/
if (MEDmeshNodeCoordinateWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0,
MED_FULL_INTERLACE, nnodes, coordinates) < 0) {
MESSAGE("ERROR : nodes coordinates ...");
goto ERROR;
}
/* cells connectiviy is defined in nodal mode with no iteration and computation step */
if (MEDmeshElementConnectivityWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0, MED_CELL, MED_TRIA3,
MED_NODAL, MED_FULL_INTERLACE, ntria3, triaconnectivity) < 0) {
MESSAGE("ERROR : triangular cells connectivity ...");
goto ERROR;
}
if (MEDmeshElementConnectivityWr(fid, meshname, MED_NO_DT, MED_NO_IT, 0.0, MED_CELL, MED_QUAD4,
MED_NODAL, MED_FULL_INTERLACE, nquad4, quadconnectivity) < 0) {
MESSAGE("ERROR : quadrangular cells connectivity ...");
goto ERROR;
}
/* create family 0 : by default, all mesh entities family number is 0 */
if (MEDfamilyCr(fid, meshname,MED_NO_NAME, 0, 0, MED_NO_GROUP) < 0) {
MESSAGE("ERROR : family 0 creation ...");
goto ERROR;
}
ret = 0;
ERROR :
/* close MED file */
if (MEDfileClose(fid) < 0) {
MESSAGE("ERROR : close file ...");
return -1;
}
return ret;
}
int main (int argc, char **argv)
{
int _i = 0;
int _j = 0;
med_idt _fid = 0;
med_int _meshdim = 3;
med_int _rmeshdim = 0;
med_int _rspacedim = 0;
med_int _n = 0;
med_int _rnnoe = 0;
med_int _rnse2 = 0;
med_int _rnaxis = 0;
const med_int _nnoe = 5;
/* table des coordonnees
(dimension * nombre de noeuds) */
med_float coo[5*3] = {0.0, 0.0, 0.0, 0.1 , 0.0, 0.0,
1.0, 0.0, 0.0, 1.1 , 0.0, 0.0,
2.0, 0.0, 0.0 };
med_float * _rcoo=NULL;
med_int nse2 = 4;
med_int se2[10] = {1,2, 2,3, 3,4, 4,5};
med_int * _rse2=NULL;
const char _supportmeshname[]="SUPPORT_POUTRE";
char _axisname[3*MED_SNAME_SIZE+1]="";
char _axisunit[3*MED_SNAME_SIZE+1]="";
char _rsupportmeshname[MED_NAME_SIZE+1]="";
char _raxisname[3*MED_SNAME_SIZE+1]="";
char _raxisunit[3*MED_SNAME_SIZE+1]="";
char _rdescription[MED_COMMENT_SIZE+1]="";
med_axis_type _raxistype;
med_bool _chgt=MED_FALSE,_trsf=MED_FALSE;
strcat(_axisname,"x ");
strcat(_axisname,"y ");
strcat(_axisname,"z ");
strcat(_axisunit,"cm ");
strcat(_axisunit,"cm ");
strcat(_axisunit,"cm ");
/* ouverture du fichier */
if ((_fid = MEDfileOpen("current.med",MODE_ACCES)) < 0) {
MESSAGE("Impossible de creer le fichier current.med");
return -1;
}
if (MEDsupportMeshCr( _fid, _supportmeshname, _meshdim, _meshdim,"Maillage support ED de type poutre",
MED_CARTESIAN,_axisname, _axisname) < 0) {
MESSAGE("Erreur a la creation du maillage support : "); SSCRUTE(_supportmeshname);
return -1;
}
/* Ecriture des coordonnees des noeuds en mode MED_FULL_INTERLACE :
(X1,Y1, X2,Y2, X3,Y3, ...) dans un repere cartesien */
if (MEDmeshNodeCoordinateWr(_fid,_supportmeshname,MED_NO_DT,MED_NO_IT,MED_UNDEF_DT,
MED_FULL_INTERLACE, _nnoe, coo) < 0) {
MESSAGE("Erreur a l'écriture des coordonnees des noeuds du maillage support");
return -1;
}
/* ecriture des connectivites des segments */
if ( MEDmeshElementConnectivityWr(_fid,_supportmeshname, MED_NO_DT, MED_NO_IT, MED_UNDEF_DT,
MED_CELL, MED_SEG2, MED_NODAL,
MED_FULL_INTERLACE, nse2, se2) < 0 ) {
MESSAGE("Impossible d'ecrire la connectivité des segments du maillage support : ");
return -1;
}
if (MEDsupportMeshCr( _fid, "MED_BILLE_SUPPORT", _meshdim, _meshdim,"Maillage support ED de type bille",
MED_CARTESIAN,_axisname, _axisname) < 0) {
MESSAGE("Erreur a la creation du maillage support : "); SSCRUTE(_supportmeshname);
return -1;
}
/* Ecriture des coordonnees des noeuds en mode MED_FULL_INTERLACE :
(X1,Y1, X2,Y2, X3,Y3, ...) dans un repere cartesien */
if (MEDmeshNodeCoordinateWr(_fid,"MED_BILLE_SUPPORT",MED_NO_DT,MED_NO_IT,MED_UNDEF_DT,
MED_FULL_INTERLACE, 1, coo) < 0) {
MESSAGE("Erreur a l'écriture des coordonnees des noeuds du maillage support : MED_BILLE_SUPPORT.");
return -1;
}
if ( (_n =MEDnSupportMesh(_fid)) < 0 ) {
MESSAGE("Erreur à la lecture du nombre de maillages supports : ");
return -1;
}
for (_i=1; _i <= _n; ++_i) {
if ( (_rnaxis = MEDsupportMeshnAxis(_fid, _i)) < 0) {
MESSAGE("Erreur à la lecture du nombre d'axe du repère d'un maillage support : ");
return -1;
}
printf("\t -Dimension de l'espace : %d\n",_rnaxis);
if ( MEDsupportMeshInfo(_fid, _i ,
_rsupportmeshname, &_rspacedim, &_rmeshdim, _rdescription,
&_raxistype, _raxisname, _raxisunit) < 0 ) {
MESSAGE("Erreur à la lecture des informations sur le maillage support : "); SSCRUTE(_supportmeshname);
return -1;
}
printf("Maillage support de nom : |%s| , de dimension : %d.\n",_rsupportmeshname, _rmeshdim);
printf("\t -Dimension de l'espace : %d\n",_rspacedim);
printf("\t -Description du maillage : %s\n",_rdescription);
printf("\t -Noms des axes : %s\n",_raxisname);
printf("\t -Unités des axes : %s\n",_raxisunit);
/* Combien de noeuds a lire ? */
_rnnoe = MEDmeshnEntity(_fid,_rsupportmeshname,MED_NO_DT,MED_NO_IT,
MED_NODE,MED_NONE,MED_COORDINATE,MED_NO_CMODE,
&_chgt,&_trsf);
if (_rnnoe < 0) {
MESSAGE("Erreur a la lecture du nombre de noeuds. ");
return -1;
} else
printf("Nombre de noeuds du maillage support: "IFORMAT" \n",_rnnoe);
/* Allocations memoires */
if (_rnnoe > 0) {
/* table des coordonnees (dimension * nombre de noeuds ) */
_rcoo = (med_float*) calloc(_rnnoe*_rspacedim,sizeof(med_float));
if ( MEDmeshNodeCoordinateRd(_fid, _rsupportmeshname, MED_NO_DT, MED_NO_IT,MED_FULL_INTERLACE, _rcoo) < 0 ) {
MESSAGE("Erreur a la lecture des coordonnees des noeuds");
return -1;
} else {
printf("Valeur de _rcoo : ");
for (_j=0;_j<_rnnoe*_rspacedim;_j++) printf("%4.2f ",_rcoo[_j]);
printf("\n");
}
free(_rcoo);
}
/* Combien de segments à lire ? */
_rnse2 = MEDmeshnEntity(_fid,_rsupportmeshname,MED_NO_DT,MED_NO_IT,
MED_CELL,MED_SEG2,MED_CONNECTIVITY,MED_NODAL,
&_chgt,&_trsf);
if (_rnse2 < 0) {
MESSAGE("Erreur a la lecture du nombre de segments.");
return -1;
} else
printf("Nombre de segments du maillage support: "IFORMAT" \n",_rnse2);
if (_rnse2 > 0) {
/* table des connectivités (_rnse2 * nombre de noeuds ds un MED_SE2) */
_rse2 = (med_int*) calloc(_rnse2*2,sizeof(med_int));
if ( MEDmeshElementConnectivityRd(_fid, _rsupportmeshname, MED_NO_DT, MED_NO_IT,
MED_CELL,MED_SEG2,MED_NODAL,MED_FULL_INTERLACE, _rse2) < 0 ) {
MESSAGE("Erreur a la lecture des connectivités des segments");
return -1;
} else {
printf("Valeur de _rse2 : ");
for (_j=0;_j<_rnse2*2;_j++) printf("%d ",_rse2[_j]);
printf("\n");
}
free(_rse2);
}
}
return 0;
}
