smesh/src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx

//  SMESH DriverMED : driver to read and write 'med' files
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library is distributed in the hope that it will be useful, 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
//  File   : DriverMED_R_SMESHDS_Mesh.cxx
//  Module : SMESH

using namespace std;
#include "DriverMED_R_SMESHDS_Mesh.h"
#include "DriverMED_R_SMDS_Mesh.h"
#include "utilities.h"

#include <stdlib.h>

DriverMED_R_SMESHDS_Mesh::DriverMED_R_SMESHDS_Mesh() {
  myFileId=-1;
}

DriverMED_R_SMESHDS_Mesh::~DriverMED_R_SMESHDS_Mesh() {
;
}

void DriverMED_R_SMESHDS_Mesh::SetMesh(Handle(SMDS_Mesh)& aMesh) {
  //myMesh = Handle(SMESHDS_Mesh)::DownCast(aMesh);
  myMesh = aMesh;
}

void DriverMED_R_SMESHDS_Mesh::SetFile(string aFile) {
  myFile = aFile;
}

void DriverMED_R_SMESHDS_Mesh::SetFileId(med_idt aFileId) {
  myFileId = aFileId;
}

void DriverMED_R_SMESHDS_Mesh::SetMeshId(int aMeshId) {
  myMeshId = aMeshId;
}

void DriverMED_R_SMESHDS_Mesh::Read() {

  string myClass = string("SMDS_Mesh");
  string myExtension = string("MED");

  DriverMED_R_SMDS_Mesh* myReader = new DriverMED_R_SMDS_Mesh;

  myReader->SetMesh(myMesh);
  myReader->SetMeshId(myMeshId);
  myReader->SetFile(myFile);
  myReader->SetFileId(-1);

  myReader->Read();

}

void DriverMED_R_SMESHDS_Mesh::Add() {

  string myClass = string("SMDS_Mesh");
  string myExtension = string("MED");

  DriverMED_R_SMDS_Mesh* myReader = new DriverMED_R_SMDS_Mesh;

  myReader->SetMesh(myMesh);
  myReader->SetMeshId(myMeshId);

  SCRUTE(myFileId);
  myReader->SetFileId(myFileId);

  myReader->Read();

}

void DriverMED_R_SMESHDS_Mesh::ReadMySelf() {

  med_err ret = 0;
  int i,j,k,l;
  int numero;
  char message[200];
  Standard_Boolean ok;
  /* nombre d'objets MED */
  char nom_universel[MED_TAILLE_LNOM+1];
  med_int long_fichier_en_tete; 
  char *fichier_en_tete;
  char version_hdf[10];
  char version_med[10];
  med_int nmaa,mdim,nnoe;
  med_int nmai[MED_NBR_GEOMETRIE_MAILLE],nfac[MED_NBR_GEOMETRIE_FACE];
  med_int nare[MED_NBR_GEOMETRIE_ARETE];
  /* nom du maillage */
  char nommaa[MED_TAILLE_NOM+1];
  /* noeuds */
  med_float *coo;
  char nomcoo[3*MED_TAILLE_PNOM+1];
  char unicoo[3*MED_TAILLE_PNOM+1];
  char *nomnoe;
  med_int *numnoe;
  med_int *nufano; 
  med_repere rep;
  med_booleen inonoe,inunoe;
  med_mode_switch mode_coo;
  char str[MED_TAILLE_PNOM+1];
  /* elements */
  med_int nsup;
  med_int edim;
  med_int taille;
  med_int elem_id;
  med_int cmpt = 0;
  med_int *connectivite;
  char *nomele;
  med_int *numele;
  med_int *nufael;
  med_booleen inoele, inuele;
  med_connectivite typ_con;
  med_geometrie_element typgeo;
  med_geometrie_element typmai[MED_NBR_GEOMETRIE_MAILLE] = {MED_POINT1,MED_SEG2, 
						   MED_SEG3,MED_TRIA3,
						   MED_TRIA6,MED_QUAD4,
						   MED_QUAD8,MED_TETRA4,
						   MED_TETRA10,MED_HEXA8,
						   MED_HEXA20,MED_PENTA6,
						   MED_PENTA15,MED_PYRA5,
						   MED_PYRA13};
  med_int desmai[MED_NBR_GEOMETRIE_MAILLE] = {0,2,3,3,3,4,4,4,4,6,6,5,5,5,5};
  med_int nmailles[MED_NBR_GEOMETRIE_MAILLE];
  char nommai[MED_NBR_GEOMETRIE_MAILLE] [MED_TAILLE_NOM+1] = {"MED_POINT1",
							  "MED_SEG2", 
							  "MED_SEG3",
							  "MED_TRIA3",
							  "MED_TRIA6",
							  "MED_QUAD4",
							  "MED_QUAD8",
							  "MED_TETRA4",
							  "MED_TETRA10",
							  "MED_HEXA8",
							  "MED_HEXA20",
							  "MED_PENTA6",
							  "MED_PENTA15",
							  "MED_PYRA5",
							  "MED_PYRA13"};
  med_geometrie_element typfac[MED_NBR_GEOMETRIE_FACE] = {MED_TRIA3,MED_TRIA6,
						 MED_QUAD4,MED_QUAD8};
  med_int desfac[MED_NBR_GEOMETRIE_FACE] = {3,3,4,4};
  med_int nfaces[MED_NBR_GEOMETRIE_FACE];
  char nomfac[MED_NBR_GEOMETRIE_FACE][MED_TAILLE_NOM+1] = {"MED_TRIA3","MED_TRIA6",
						       "MED_QUAD4","MED_QUAD8"};
  med_geometrie_element typare[MED_NBR_GEOMETRIE_ARETE] = {MED_SEG2,MED_SEG3};
  med_int desare[MED_NBR_GEOMETRIE_ARETE] = {2,3};
  med_int naretes[MED_NBR_GEOMETRIE_ARETE];
  char nomare[MED_NBR_GEOMETRIE_ARETE] [MED_TAILLE_NOM+1] = {"MED_SEG2","MED_SEG3"};
  /* familles */
  med_int nfam;
  med_int natt,ngro;
  char *attdes,*gro;
  med_int *attval,*attide;
  char nomfam[MED_TAILLE_NOM+1];
  med_int numfam;
  char str1[MED_TAILLE_DESC+1];
  char str2[MED_TAILLE_LNOM+1];
  string fam;
  string fam_type;
  string fam_id;
  
  char* file2Read;
  bool locally_managed;

  if (myFileId==-1) 
    locally_managed = true;
  else
    locally_managed = false;

  if (locally_managed)
    { 
    file2Read = (char*)myFile.c_str();
    myFileId = MEDouvrir(file2Read,MED_LECT);
    if (myFileId < 0)
      {
	fprintf(stderr,">> ERREUR : ouverture du fichier %s \n",file2Read);
	exit(EXIT_FAILURE);
      }
    numero = 1;
    }
  else
    numero = myMeshId;
  sprintf(nommaa,"Mesh %d",myMeshId);//pour load
  SCRUTE(nommaa);
    
  typ_con = MED_NOD;
  mode_coo = MED_FULL_INTERLACE;
  mdim = 3;

  Handle(SMESHDS_Mesh) mySMESHDSMesh = Handle(SMESHDS_Mesh)::DownCast(myMesh);

  //TopoDS_Shape myShape = mySMESHDSMesh->ShapeToMesh();

  /****************************************************************************
  *                       NOMBRES D'OBJETS MED                                *
  ****************************************************************************/
  fprintf(stdout,"\n(****************************)\n");
  fprintf(stdout,"(* INFORMATIONS GENERALES : *)\n");
  fprintf(stdout,"(****************************)\n");

  /* lecture du nom et de la dimension du maillage */
  /*!  fprintf(stdout,"%d %d\n",myFileId,numero);
  ret = MEDmaaInfo(myFileId,numero,nommaa,&mdim);
  fprintf(stdout,"%d\n",ret);
  if (ret < 0)
    {
      fprintf(stderr,">> ERREUR : lecture du nom du maillage \n");
      exit(EXIT_FAILURE);
    }
  fprintf(stdout,"- Nom du maillage : <<%s>>\n",nommaa);
  fprintf(stdout,"- Dimension du maillage : %d\n",mdim);
  */
  /* Combien de noeuds ? */
  nnoe = MEDnEntMaa(myFileId,nommaa,MED_COOR,MED_NOEUD,MED_POINT1,typ_con);
  if (nnoe < 0)
    {
      fprintf(stderr,">> ERREUR : lecture du nombre de noeuds \n");
      exit(EXIT_FAILURE);
    }
  fprintf(stdout,"- Nombre de noeuds : %d \n",nnoe);

  /* Combien de mailles, faces ou aretes ? */
  for (i=0;i<MED_NBR_GEOMETRIE_MAILLE;i++)
    {
      nmailles[i] = MEDnEntMaa(myFileId,nommaa,MED_CONN,MED_MAILLE,typmai[i],
			       typ_con);
      if (nmailles[i] < 0)
	{
	  fprintf(stderr,">> ERREUR : lecture du nombre de mailles \n");
	  exit(EXIT_FAILURE);
	}
      fprintf (stdout,"- Nombre de mailles de type %s : %d \n",nommai[i],nmailles[i]);
    }

  for (i=0;i<MED_NBR_GEOMETRIE_FACE;i++)
    {
      nfaces[i] = MEDnEntMaa(myFileId,nommaa,MED_CONN,MED_FACE,typfac[i],
			     typ_con);
      if (nfaces[i] < 0)
	{
	  fprintf(stderr,">> ERREUR : lecture du nombre de faces \n");
	  exit(EXIT_FAILURE);
	}
      fprintf (stdout,"- Nombre de faces de type %s : %d \n",nomfac[i],nfaces[i]);
    }    

  for (i=0;i<MED_NBR_GEOMETRIE_ARETE;i++)
    {
      naretes[i] = MEDnEntMaa(myFileId,nommaa,MED_CONN,MED_ARETE,typare[i],
			      typ_con); 
      if (naretes[i] < 0)
	{
	  fprintf(stderr,">> ERREUR : lecture du nombre d'aretes \n");
	  exit(EXIT_FAILURE);
	}
      fprintf (stdout,"- Nombre d'aretes de type %s : %d \n",nomare[i],naretes[i]);
    }

  /* nombre de familles */
  nfam = MEDnFam(myFileId,nommaa,0,MED_FAMILLE);
  if (nfam < 0)
    {
      fprintf(stderr,">> ERREUR : lecture du nombre de familles \n");
      exit(EXIT_FAILURE);
    }	
  fprintf(stdout,"- Nombre de familles : %d \n",nfam);

  vector<int> family[nfam];

  /****************************************************************************
  *                       LECTURE DES NOEUDS                                  *
  ****************************************************************************/
  fprintf(stdout,"\n(************************)\n");
  fprintf(stdout,"(* NOEUDS DU MAILLAGE : *)\n");
  fprintf(stdout,"(************************)\n");

  /* Allocations memoires */
  /* table des coordonnees 
     profil : (dimension * nombre de noeuds ) */
  coo = (med_float*) malloc(sizeof(med_float)*nnoe*mdim);
  /* table  des numeros, des numeros de familles des noeuds
     profil : (nombre de noeuds) */
  numnoe = (med_int*) malloc(sizeof(med_int)*nnoe);
  nufano = (med_int*) malloc(sizeof(med_int)*nnoe);
  /* table des noms des noeuds 
     profil : (nnoe*MED_TAILLE_PNOM+1) */
  nomnoe = (char*) malloc(MED_TAILLE_PNOM*nnoe+1);

  /* lecture des noeuds : 
     - coordonnees
     - noms (optionnel dans un fichier MED) 
     - numeros (optionnel dans un fichier MED) 
     - numeros des familles */
  ret = MEDnoeudsLire(myFileId,nommaa,mdim,coo,mode_coo,&rep,
		      nomcoo,unicoo,nomnoe,&inonoe,numnoe,&inunoe,
		      nufano,nnoe);
  if (ret < 0)
    strcpy(message,">> ERREUR : lecture des noeuds \n");

  if (inunoe) {
    for (int i=0;i<nnoe;i++) {
      ok = mySMESHDSMesh->AddNodeWithID(coo[i*3],coo[i*3+1],coo[i*3+2],numnoe[i]);
      //fprintf(Out,"%d %f %f %f\n",numnoe[i],coo[i*3],coo[i*3+1],coo[i*3+2]);
    }
  }
  else {
    for (int i=0;i<nnoe;i++) {
      ok = mySMESHDSMesh->AddNodeWithID(coo[i*3],coo[i*3+1],coo[i*3+2],i+1);
      //fprintf(Out,"%d %f %f %f\n",numnoe[i],coo[i*3],coo[i*3+1],i);
      family[*(nufano+i)].push_back(numnoe[i]);
    }
  }

  fprintf(stdout,"\n- Numeros des familles des noeuds : \n");
  for (i=0;i<nnoe;i++)
    fprintf(stdout," %d ",*(nufano+i));
  fprintf(stdout,"\n");

  /* liberation memoire */
  free(coo);
  free(nomnoe);
  free(numnoe);
  free(nufano);

  /****************************************************************************
  *                       LECTURE DES ELEMENTS                                *
  ****************************************************************************/
  fprintf(stdout,"\n(**************************)\n");
  fprintf(stdout,"(* ELEMENTS DU MAILLAGE : *)\n");
  fprintf(stdout,"(**************************)");
  //fprintf(Out,"CELLS\n");
  /* Lecture des connectivites, noms, numeros des mailles */
  //printf("%d %d %d %d\n",nmailles[3],nmailles[4],nmailles[5],nmailles[9]);

  if (ret == 0)
    for (i=0;i<MED_NBR_GEOMETRIE_MAILLE;i++)
      {
	if (nmailles[i] > 0 && ret == 0)
	  {
	    /* dimension de la maille */
	    edim = typmai[i] / 100;
	    nsup = 0;
	    if (mdim  == 2 || mdim == 3)
	      if (edim == 1)
		nsup = 1;
	    if (mdim == 3)
	      if (edim == 2)
		nsup = 1;

	    taille = nsup+typmai[i]%100;
	    //taille = typmai[i]%100;
	    
	    /* allocation memoire */
	    connectivite = (med_int*)malloc(sizeof(med_int)*
					    taille*nmailles[i]);
	    nomele = (char*)malloc(sizeof(char)*MED_TAILLE_PNOM*
				   nmailles[i]+1);
	    numele = (med_int*)malloc(sizeof(med_int)*
				      nmailles[i]);
	    nufael = (med_int*)malloc(sizeof(med_int)*
				      nmailles[i]);
	    
	    /* lecture des donn<6E>es */
	    ret = MEDelementsLire(myFileId,nommaa,mdim,connectivite,mode_coo,
				  nomele,&inoele,numele,&inuele,nufael,
				  nmailles[i],MED_MAILLE,typmai[i],
				  typ_con);

	    switch (typmai[i])
	      {
	      case MED_TRIA3  : {
		if (inuele) {
		  for (j=0;j<nmailles[i];j++) {
		    elem_id=*(numele+j);
		    ok = mySMESHDSMesh->AddFaceWithID(*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2),elem_id);
		    //fprintf(Out,"%d %d %d %d\n",elem_id,*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2));
		  }
		}
		else {
		  for (j=0;j<nmailles[i];j++) {
		    cmpt++;
		    ok = mySMESHDSMesh->AddFaceWithID(*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2),cmpt);
		    //fprintf(Out,"%d %d %d %d\n",j,*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2));
		  }
		}

		break;
	      }
	      case MED_QUAD4  : {
		if (inuele) {
		  for (j=0;j<nmailles[i];j++) {
		    elem_id=*(numele+j);
		    ok = mySMESHDSMesh->AddFaceWithID(*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2),*(connectivite+j*(taille-nsup)+3),elem_id);
		    //fprintf(Out,"%d %d %d %d\n",elem_id,*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2),*(connectivite+j*(taille-nsup)+3));
		  }
		}
		else {
		  for (j=0;j<nmailles[i];j++) {
		    cmpt++;
		    ok = myMesh->AddFaceWithID(*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2),*(connectivite+j*(taille)+3),cmpt);
		    //fprintf(Out,"%d %d %d %d\n",j,*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2),*(connectivite+j*(taille)+3));
		  }
		}
		break;
	      }
	      case MED_HEXA8  : {
		if (inuele) {
		  for (j=0;j<nmailles[i];j++) {
		    elem_id=*(numele+j);
		    ok = mySMESHDSMesh->AddVolumeWithID(*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2),*(connectivite+j*(taille-nsup)+3),*(connectivite+j*(taille-nsup)+4),*(connectivite+j*(taille-nsup)+5),*(connectivite+j*(taille-nsup)+6),*(connectivite+j*(taille-nsup)+7),elem_id);
		    //fprintf(Out,"%d %d %d %d\n",elem_id,*(connectivite+j*(taille-nsup)),*(connectivite+j*(taille-nsup)+1),*(connectivite+j*(taille-nsup)+2),*(connectivite+j*(taille-nsup)+3),*(connectivite+j*(taille-nsup)+4),*(connectivite+j*(taille-nsup)+5),*(connectivite+j*(taille-nsup)+6),*(connectivite+j*(taille-nsup)+7));
		  }
		}
		else {
		  for (j=0;j<nmailles[i];j++) {
		    cmpt++;
		    ok = mySMESHDSMesh->AddVolumeWithID(*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2),*(connectivite+j*(taille)+3),*(connectivite+j*(taille)+4),*(connectivite+j*(taille)+5),*(connectivite+j*(taille)+6),*(connectivite+j*(taille)+7),cmpt);
		    //fprintf(Out,"%d %d %d %d\n",j,*(connectivite+j*(taille)),*(connectivite+j*(taille)+1),*(connectivite+j*(taille)+2),*(connectivite+j*(taille)+3),*(connectivite+j*(taille)+4),*(connectivite+j*(taille)+5),*(connectivite+j*(taille)+6),*(connectivite+j*(taille)+7));
		  }
		}
		break;
	      }
	      default : {
		break ;
	      }
	      }

	    fprintf(stdout,"\n  - Num<75>ros de familles : \n");
	    for (j=0;j<nmailles[i];j++)
	      fprintf(stdout," %d ",*(nufael+j));
	    
	    /* liberation memoire */
	    free(connectivite);
	    free(nomele);
	    free(numele);
	    free(nufael);
	  }
      }

  /****************************************************************************
   *                       LECTURE DES FAMILLES                                *
   ****************************************************************************/
  printf("\n(*************************)\n");
  printf("(* FAMILLES DU MAILLAGE : *)\n");
  printf("(*************************)\n");
  if (ret == 0)
    for (i=0;i<nfam;i++)
      {
	
	/* nombre de groupes */
	ngro = MEDnFam(myFileId,nommaa,i+1,MED_GROUPE);
	if (ngro < 0)  
	  {
	    ret = -1;
	    strcpy(message,
		   ">> ERREUR : lecture du nombre de groupes d'une famille \n");
	  }
	
	/* nombre d'attributs */
	if (ret == 0)
	  {
	    natt = MEDnFam(myFileId,nommaa,i+1,MED_ATTR);
	    if (natt < 0)
	      {
		ret = -1;
		strcpy(message,
		   ">> ERREUR : lecture du nombre d'attributs d'une famille\n");
	      }
	  }

	if (ret == 0)
	  fprintf(stdout,"- Famille %d a %d attributs et %d groupes \n",i+1,natt,ngro); 

	/* nom,numero,attributs,groupes */
	if (ret == 0)
	  {
	    attide = (med_int*) malloc(sizeof(med_int)*natt);
	    attval = (med_int*) malloc(sizeof(med_int)*natt);	    
	    attdes = (char *) malloc(MED_TAILLE_DESC*natt+1);
	    gro = (char*) malloc(MED_TAILLE_LNOM*ngro+1);
	    ret = MEDfamInfo(myFileId,nommaa,i+1,nomfam,&numfam,attide,attval,
			     attdes,&natt,gro,&ngro);

	    fam = string(nomfam);
	    fam_type = fam.substr(1,1);
	    fam_id = fam.substr(2,1);
	    if ((fam_type==string("V"))||(fam_type==string("A"))||(fam_type==string("F")))
	      LinkMeshToShape(fam_type, fam_id, family[i]);

	    fprintf(stdout,"  - Famille de nom %s et de numero %d : \n",nomfam,numfam);
	    fprintf(stdout,"  - Attributs : \n");
	    for (j=0;j<natt;j++)
	      {
		strncpy(str1,attdes+j*MED_TAILLE_DESC,MED_TAILLE_DESC);
		str1[MED_TAILLE_DESC] = '\0';
		fprintf(stdout,"   ide = %d - val = %d - des = %s\n",*(attide+j),
		       *(attval+j),str1);
	      }
            free(attide);
	    free(attval);
            free(attdes);
            fprintf(stdout,"  - Groupes :\n");
	    for (j=0;j<ngro;j++)
	      {
		strncpy(str2,gro+j*MED_TAILLE_LNOM,MED_TAILLE_LNOM);
		str2[MED_TAILLE_LNOM] = '\0';
		fprintf(stdout,"   gro = %s\n",str2);
	      }
            free(gro);
	  }
      }

  if (locally_managed)
    ret = MEDfermer(myFileId);

}

void DriverMED_R_SMESHDS_Mesh::LinkMeshToShape(string fam_type, string fam_id, vector<int> myNodes) {

  Handle(SMESHDS_Mesh) mySMESHDSMesh = Handle(SMESHDS_Mesh)::DownCast(myMesh);

  int id = atoi(fam_id.c_str());
  if (fam_type==string("V")) { //Linked to a vertex
    for (int i=0;i<myNodes.size();i++) {
      Handle(SMDS_MeshElement) elem = mySMESHDSMesh->FindNode(myNodes[i]);
      const Handle(SMDS_MeshNode)& node = mySMESHDSMesh->GetNode(1,elem);
      //const TopoDS_Vertex& S;//le recuperer !!!
      //mySMESHDSMesh->SetNodeOnVertex (node,S);
    }
  }
  else 
  if (fam_type==string("E")) { //Linked to an edge
    for (int i=0;i<myNodes.size();i++) {
      Handle(SMDS_MeshElement) elem = mySMESHDSMesh->FindNode(myNodes[i]);
      const Handle(SMDS_MeshNode)& node = mySMESHDSMesh->GetNode(1,elem);
      //const TopoDS_Edge& S;//le recuperer !!!
      //mySMESHDSMesh->SetNodeOnEdge (node,S);
    }
  }
  else 
  if (fam_type==string("F")) { //Linked to a face
    for (int i=0;i<myNodes.size();i++) {
      Handle(SMDS_MeshElement) elem = mySMESHDSMesh->FindNode(myNodes[i]);
      const Handle(SMDS_MeshNode)& node = mySMESHDSMesh->GetNode(1,elem);
      //const TopoDS_Face& S;//le recuperer !!!
      //mySMESHDSMesh->SetNodeOnFace (node,S);
    }
  }

}