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[modules/smesh.git] / src / OBJECT / SMESH_Object.cxx
index 24023bacf401ea6bc438647eaea39e03ce2b216d..1e52ccb015f51400b44bd2ec6c493a081841e02f 100644 (file)
@@ -17,7 +17,7 @@
 //  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 
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
 //
 //
 #include "SMDS_Mesh.hxx"
 #include "SMESH_Actor.h"
 #include "SMESH_ControlsDef.hxx"
-#include "SALOME_ExtractUnstructuredGrid.h"
+#include "SalomeApp_Application.h"
+#include "VTKViewer_ExtractUnstructuredGrid.h"
+#include "VTKViewer_CellLocationsArray.h"
 
+#include CORBA_SERVER_HEADER(SMESH_Gen)
 #include CORBA_SERVER_HEADER(SALOME_Exception)
 
 #include <vtkCell.h>
 #include <vtkIdList.h>
-#include <vtkIntArray.h>
 #include <vtkCellArray.h>
 #include <vtkUnsignedCharArray.h>
 
@@ -69,185 +71,6 @@ static int MYDEBUGWITHFILES = 0;
 #endif
 
 
-namespace{
-
-  inline const SMDS_MeshNode* FindNode(const SMDS_Mesh* theMesh, int theId){
-    if(const SMDS_MeshNode* anElem = theMesh->FindNode(theId)) return anElem;
-    EXCEPTION(runtime_error,"SMDS_Mesh::FindNode - cannot find a SMDS_MeshNode for ID = "<<theId);
-  }
-
-
-  inline const SMDS_MeshElement* FindElement(const SMDS_Mesh* theMesh, int theId){
-    if(const SMDS_MeshElement* anElem = theMesh->FindElement(theId)) return anElem;
-    EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot find a SMDS_MeshElement for ID = "<<theId);
-  }
-
-
-  inline void AddNodesWithID(SMDS_Mesh* theMesh, 
-                            SMESH::log_array_var& theSeq,
-                            CORBA::Long theId)
-  {
-    const SMESH::double_array& aCoords = theSeq[theId].coords;
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(3*aNbElems != aCoords.length())
-      EXCEPTION(runtime_error,"AddNodesWithID - 3*aNbElems != aCoords.length()");
-    for(CORBA::Long aCoordId = 0; anElemId < aNbElems; anElemId++, aCoordId+=3){
-      SMDS_MeshElement* anElem = theMesh->AddNodeWithID(aCoords[aCoordId],
-                                                       aCoords[aCoordId+1],
-                                                       aCoords[aCoordId+2],
-                                                       anIndexes[anElemId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddNodeWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddEdgesWithID(SMDS_Mesh* theMesh, 
-                            SMESH::log_array_var& theSeq,
-                            CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(3*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 3*aNbElems != aCoords.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=3){
-      SMDS_MeshElement* anElem = theMesh->AddEdgeWithID(anIndexes[anIndexId+1],
-                                                       anIndexes[anIndexId+2],
-                                                       anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddEdgeWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddTriasWithID(SMDS_Mesh* theMesh, 
-                            SMESH::log_array_var& theSeq,
-                            CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(4*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 4*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=4){
-      SMDS_MeshElement* anElem = theMesh->AddFaceWithID(anIndexes[anIndexId+1],
-                                                       anIndexes[anIndexId+2],
-                                                       anIndexes[anIndexId+3],
-                                                       anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddQuadsWithID(SMDS_Mesh* theMesh, 
-                            SMESH::log_array_var theSeq,
-                            CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(5*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 4*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=5){
-      SMDS_MeshElement* anElem = theMesh->AddFaceWithID(anIndexes[anIndexId+1],
-                                                       anIndexes[anIndexId+2],
-                                                       anIndexes[anIndexId+3],
-                                                       anIndexes[anIndexId+4],
-                                                       anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddTetrasWithID(SMDS_Mesh* theMesh, 
-                             SMESH::log_array_var& theSeq,
-                             CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(5*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 5*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=5){
-      SMDS_MeshElement* anElem = theMesh->AddVolumeWithID(anIndexes[anIndexId+1],
-                                                         anIndexes[anIndexId+2],
-                                                         anIndexes[anIndexId+3],
-                                                         anIndexes[anIndexId+4],
-                                                         anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddPiramidsWithID(SMDS_Mesh* theMesh, 
-                               SMESH::log_array_var& theSeq,
-                               CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(6*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 6*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=6){
-      SMDS_MeshElement* anElem = theMesh->AddVolumeWithID(anIndexes[anIndexId+1],
-                                                         anIndexes[anIndexId+2],
-                                                         anIndexes[anIndexId+3],
-                                                         anIndexes[anIndexId+4],
-                                                         anIndexes[anIndexId+5],
-                                                         anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddPrismsWithID(SMDS_Mesh* theMesh, 
-                             SMESH::log_array_var& theSeq,
-                             CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(7*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 7*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=7){
-      SMDS_MeshElement* anElem = theMesh->AddVolumeWithID(anIndexes[anIndexId+1],
-                                                         anIndexes[anIndexId+2],
-                                                         anIndexes[anIndexId+3],
-                                                         anIndexes[anIndexId+4],
-                                                         anIndexes[anIndexId+5],
-                                                         anIndexes[anIndexId+6],
-                                                         anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-  inline void AddHexasWithID(SMDS_Mesh* theMesh, 
-                            SMESH::log_array_var& theSeq,
-                            CORBA::Long theId)
-  {
-    const SMESH::long_array& anIndexes = theSeq[theId].indexes;
-    CORBA::Long anElemId = 0, aNbElems = theSeq[theId].number;
-    if(9*aNbElems != anIndexes.length())
-      EXCEPTION(runtime_error,"AddEdgeWithID - 9*aNbElems != anIndexes.length()");
-    for(CORBA::Long anIndexId = 0; anElemId < aNbElems; anElemId++, anIndexId+=9){
-      SMDS_MeshElement* anElem = theMesh->AddVolumeWithID(anIndexes[anIndexId+1],
-                                                         anIndexes[anIndexId+2],
-                                                         anIndexes[anIndexId+3],
-                                                         anIndexes[anIndexId+4],
-                                                         anIndexes[anIndexId+5],
-                                                         anIndexes[anIndexId+6],
-                                                         anIndexes[anIndexId+7],
-                                                         anIndexes[anIndexId+8],
-                                                         anIndexes[anIndexId]);
-      if(!anElem)
-       EXCEPTION(runtime_error,"SMDS_Mesh::FindElement - cannot AddFaceWithID for ID = "<<anElemId);
-    }
-  }
-
-
-}
 /*
   Class       : SMESH_VisualObjDef
   Description : Base class for all mesh objects to be visuilised
@@ -258,24 +81,40 @@ namespace{
 // purpose  : Get type of VTK cell
 //=================================================================================
 static inline vtkIdType getCellType( const SMDSAbs_ElementType theType,
+                                    const bool thePoly,
                                      const int theNbNodes )
 {
   switch( theType )
   {
     case SMDSAbs_Edge: 
-      return theNbNodes == 2 ? VTK_LINE : VTK_EMPTY_CELL;
-
-    case SMDSAbs_Face  : 
-      if      ( theNbNodes == 3 ) return VTK_TRIANGLE;
-      else if ( theNbNodes == 4 ) return VTK_QUAD;
-      else                        return VTK_EMPTY_CELL;
+      if( theNbNodes == 2 )         return VTK_LINE;
+      else if ( theNbNodes == 3 )   return VTK_QUADRATIC_EDGE;
+      else return VTK_EMPTY_CELL;
+
+    case SMDSAbs_Face  :
+      if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
+      else if ( theNbNodes == 3 )   return VTK_TRIANGLE;
+      else if ( theNbNodes == 4 )   return VTK_QUAD;
+      else if ( theNbNodes == 6 )   return VTK_QUADRATIC_TRIANGLE;
+      else if ( theNbNodes == 8 )   return VTK_QUADRATIC_QUAD;
+      else return VTK_EMPTY_CELL;
       
-    case SMDSAbs_Volume: 
-      if      ( theNbNodes == 4 ) return VTK_TETRA;
-      else if ( theNbNodes == 5 ) return VTK_PYRAMID;
-      else if ( theNbNodes == 6 ) return VTK_WEDGE;
-      else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
-      else                        return VTK_EMPTY_CELL;
+    case SMDSAbs_Volume:
+      if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
+      else if ( theNbNodes == 4 )   return VTK_TETRA;
+      else if ( theNbNodes == 5 )   return VTK_PYRAMID;
+      else if ( theNbNodes == 6 )   return VTK_WEDGE;
+      else if ( theNbNodes == 8 )   return VTK_HEXAHEDRON;
+      else if ( theNbNodes == 10 )  {
+        return VTK_QUADRATIC_TETRA;
+      }
+      else if ( theNbNodes == 20 )  {
+        return VTK_QUADRATIC_HEXAHEDRON;
+      }
+      else if ( theNbNodes==13 || theNbNodes==15 )  {
+        return VTK_CONVEX_POINT_SET;
+      }
+      else return VTK_EMPTY_CELL;
 
     default: return VTK_EMPTY_CELL;
   }
@@ -287,15 +126,12 @@ static inline vtkIdType getCellType( const SMDSAbs_ElementType theType,
 //=================================================================================
 SMESH_VisualObjDef::SMESH_VisualObjDef()
 {
-  if(MYDEBUG) MESSAGE("SMESH_MeshObj - "<<this);
   myGrid = vtkUnstructuredGrid::New();
 }
 SMESH_VisualObjDef::~SMESH_VisualObjDef()
 {
-  if(MYDEBUG) {
-    MESSAGE("~SMESH_MeshObj - "<<this);
-    myGrid->DebugOn();
-  }
+  if ( MYDEBUG )
+    MESSAGE( "~SMESH_MeshObj - myGrid->GetReferenceCount() = " << myGrid->GetReferenceCount() );
   myGrid->Delete();
 }
 
@@ -399,42 +235,6 @@ void SMESH_VisualObjDef::buildNodePrs()
   aPoints->Delete();
 
   myGrid->SetCells( 0, 0, 0 );
-
-  // Create cells
-  /*
-  int nbPoints = aPoints->GetNumberOfPoints();
-  vtkIdList *anIdList = vtkIdList::New();
-  anIdList->SetNumberOfIds( 1 );
-
-  vtkCellArray *aCells = vtkCellArray::New();
-  aCells->Allocate( 2 * nbPoints, 0 );
-
-  vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
-  aCellTypesArray->SetNumberOfComponents( 1 );
-  aCellTypesArray->Allocate( nbPoints );
-
-  for( vtkIdType aCellId = 0; aCellId < nbPoints; aCellId++ )
-  {
-    anIdList->SetId( 0, aCellId );
-    aCells->InsertNextCell( anIdList );
-    aCellTypesArray->InsertNextValue( VTK_VERTEX );
-  }
-
-  vtkIntArray* aCellLocationsArray = vtkIntArray::New();
-  aCellLocationsArray->SetNumberOfComponents( 1 );
-  aCellLocationsArray->SetNumberOfTuples( nbPoints );
-
-  aCells->InitTraversal();
-  for( vtkIdType i = 0, *pts, npts; aCells->GetNextCell( npts, pts ); i++ )
-    aCellLocationsArray->SetValue( i, aCells->GetTraversalLocation( npts ) );
-
-  myGrid->SetCells( aCellTypesArray, aCellLocationsArray, aCells );
-
-  aCellLocationsArray->Delete();
-  aCellTypesArray->Delete();
-  aCells->Delete();
-  anIdList->Delete(); 
-  */
 }
 
 //=================================================================================
@@ -545,35 +345,60 @@ void SMESH_VisualObjDef::buildElemPrs()
         SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
        switch(aType){
        case SMDSAbs_Volume:{
-         int* aConnectivities = NULL;
+         std::vector<int> aConnectivities;
          GetConnect(aNodesIter,aConnect);
          // Convertions connectivities from SMDS to VTK
-         switch(aNbNodes){
-         case 4:{
+         if (anElem->IsPoly() && aNbNodes > 3) { // POLYEDRE
+           for (int k = 0; k < aNbNodes; k++) {
+             aConnectivities.push_back(k);
+           }
+
+         } else if (aNbNodes == 4) {
            static int anIds[] = {0,2,1,3};
-           aConnectivities = anIds;
-           break;
-         }
-         case 5:{
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+
+         } else if (aNbNodes == 5) {
            static int anIds[] = {0,3,2,1,4};
-           aConnectivities = anIds;
-           break;
-         }
-         case 6:{
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+
+         } else if (aNbNodes == 6) {
            static int anIds[] = {0,1,2,3,4,5};
-           aConnectivities = anIds;
-           break;
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+
          }
-         case 8:{
+          else if (aNbNodes == 8) {
            static int anIds[] = {0,3,2,1,4,7,6,5};
-           aConnectivities = anIds;
-           break;
-         }}
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
 
-         if(aConnectivities)
-           for( vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++ )
+         }
+          else if (aNbNodes == 10) {
+           static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+         }
+          else if (aNbNodes == 13) {
+           static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+         }
+          else if (aNbNodes == 15) {
+           static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+           //for (int k = 0; k < aNbNodes; k++) {
+            //  int nn = aConnectivities[k];
+            //  const SMDS_MeshNode* N = static_cast<const SMDS_MeshNode*> (aConnect[nn]);
+            //  cout<<"k="<<k<<"  N("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
+            //}
+         }
+          else if (aNbNodes == 20) {
+           static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
+           for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
+         }
+          else {
+          }
+
+         if (aConnectivities.size() > 0) {
+           for (vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++)
              SetId(anIdList,mySMDS2VTKNodes,aConnect,aNodeId,aConnectivities[aNodeId]);
-         
+         }
          break;
        }
        default:
@@ -584,7 +409,7 @@ void SMESH_VisualObjDef::buildElemPrs()
        }
 
         aConnectivity->InsertNextCell( anIdList );
-        aCellTypesArray->InsertNextValue( getCellType( aType, aNbNodes ) );
+        aCellTypesArray->InsertNextValue( getCellType( aType, anElem->IsPoly(), aNbNodes ) );
 
         iElem++;
       }
@@ -593,7 +418,7 @@ void SMESH_VisualObjDef::buildElemPrs()
 
   // Insert cells in grid
   
-  vtkIntArray* aCellLocationsArray = vtkIntArray::New();
+  VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
   aCellLocationsArray->SetNumberOfComponents( 1 );
   aCellLocationsArray->SetNumberOfTuples( aNbCells );
   
@@ -628,7 +453,7 @@ bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
     
   int nbNodes = anElem->NbNodes();
 
-  if ( theEdgeNum < 1 || theEdgeNum > 4 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
+  if ( theEdgeNum < 0 || theEdgeNum > 3 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
     return false;
 
   int anIds[ nbNodes ];
@@ -637,10 +462,10 @@ bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
   while( anIter->more() )
     anIds[ i++ ] = anIter->next()->GetID();
 
-  if ( nbNodes != theEdgeNum )
+  if ( theEdgeNum < nbNodes - 1 )
   {
-    theNodeId1 = anIds[ theEdgeNum - 1 ];
-    theNodeId2 = anIds[ theEdgeNum ];
+    theNodeId1 = anIds[ theEdgeNum ];
+    theNodeId2 = anIds[ theEdgeNum + 1 ];
   }
   else
   {
@@ -660,14 +485,11 @@ bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
 // function : SMESH_MeshObj
 // purpose  : Constructor
 //=================================================================================
-SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh)
+SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh):
+  myClient(SalomeApp_Application::orb(),theMesh)
 {
   if ( MYDEBUG ) 
-    MESSAGE("SMESH_MeshObj - theMesh->_is_nil() = "<<theMesh->_is_nil());
-    
-  myMeshServer = SMESH::SMESH_Mesh::_duplicate( theMesh );
-  myMeshServer->Register();
-  myMesh = new SMDS_Mesh();
+    MESSAGE("SMESH_MeshObj - this = "<<this<<"; theMesh->_is_nil() = "<<theMesh->_is_nil());
 }
 
 //=================================================================================
@@ -676,8 +498,8 @@ SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh)
 //=================================================================================
 SMESH_MeshObj::~SMESH_MeshObj()
 {
-  myMeshServer->Destroy();
-  delete myMesh;
+  if ( MYDEBUG ) 
+    MESSAGE("SMESH_MeshObj - this = "<<this<<"\n");
 }
 
 //=================================================================================
@@ -687,105 +509,8 @@ SMESH_MeshObj::~SMESH_MeshObj()
 void SMESH_MeshObj::Update( int theIsClear )
 {
   // Update SMDS_Mesh on client part
-  
-  try
-  {
-    SMESH::log_array_var aSeq = myMeshServer->GetLog( theIsClear );
-    CORBA::Long aLength = aSeq->length();
-    
-    if( MYDEBUG ) MESSAGE( "Update: length of the script is "<<aLength );
-    
-    if( !aLength )
-      return;
-      
-    for ( CORBA::Long anId = 0; anId < aLength; anId++)
-    {
-      const SMESH::double_array& aCoords = aSeq[anId].coords;
-      const SMESH::long_array& anIndexes = aSeq[anId].indexes;
-      CORBA::Long anElemId = 0, aNbElems = aSeq[anId].number;
-      CORBA::Long aCommand = aSeq[anId].commandType;
-      
-      switch(aCommand)
-      {
-        case SMESH::ADD_NODE       : AddNodesWithID   ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_EDGE       : AddEdgesWithID   ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_TRIANGLE   : AddTriasWithID   ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_QUADRANGLE : AddQuadsWithID   ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_TETRAHEDRON: AddTetrasWithID  ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_PYRAMID    : AddPiramidsWithID( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_PRISM      : AddPrismsWithID  ( myMesh, aSeq, anId ); break;
-        case SMESH::ADD_HEXAHEDRON : AddHexasWithID   ( myMesh, aSeq, anId ); break;
-        
-        case SMESH::REMOVE_NODE:
-          for( ; anElemId < aNbElems; anElemId++ )
-            myMesh->RemoveNode( FindNode( myMesh, anIndexes[anElemId] ) );
-        break;
-        
-        case SMESH::REMOVE_ELEMENT:
-          for( ; anElemId < aNbElems; anElemId++ )
-            myMesh->RemoveElement( FindElement( myMesh, anIndexes[anElemId] ) );
-        break;
-
-        case SMESH::MOVE_NODE:
-          for(CORBA::Long aCoordId=0; anElemId < aNbElems; anElemId++, aCoordId+=3)
-          {
-            SMDS_MeshNode* node =
-              const_cast<SMDS_MeshNode*>( FindNode( myMesh, anIndexes[anElemId] ));
-            node->setXYZ( aCoords[aCoordId], aCoords[aCoordId+1], aCoords[aCoordId+2] );
-          }
-        break;
-
-        case SMESH::CHANGE_ELEMENT_NODES:
-          for ( CORBA::Long i = 0; anElemId < aNbElems; anElemId++ )
-          {
-            // find element
-            const SMDS_MeshElement* elem = FindElement( myMesh, anIndexes[i++] );
-            // nb nodes
-            int nbNodes = anIndexes[i++];
-            // nodes
-            ASSERT( nbNodes < 9 );
-            const SMDS_MeshNode* aNodes[ 8 ];
-            for ( int iNode = 0; iNode < nbNodes; iNode++ )
-              aNodes[ iNode ] = FindNode( myMesh, anIndexes[i++] );
-            // change
-            myMesh->ChangeElementNodes( elem, aNodes, nbNodes );
-          }
-          break;
-
-        case SMESH::RENUMBER:
-          for(CORBA::Long i=0; anElemId < aNbElems; anElemId++, i+=3)
-          {
-            myMesh->Renumber( anIndexes[i], anIndexes[i+1], anIndexes[i+2] );
-          }
-          break;
-          
-        default:;
-      }
-    }
-  }
-  catch ( SALOME::SALOME_Exception& exc )
-  {
-    INFOS("Following exception was cought:\n\t"<<exc.details.text);
-  }
-  catch( const std::exception& exc)
-  {
-    INFOS("Following exception was cought:\n\t"<<exc.what());
-  }
-  catch(...)
-  {
-    INFOS("Unknown exception was cought !!!");
-  }
-  
-  if ( MYDEBUG )
-  {
-    MESSAGE("Update - myMesh->NbNodes() = "<<myMesh->NbNodes());
-    MESSAGE("Update - myMesh->NbEdges() = "<<myMesh->NbEdges());
-    MESSAGE("Update - myMesh->NbFaces() = "<<myMesh->NbFaces());
-    MESSAGE("Update - myMesh->NbVolumes() = "<<myMesh->NbVolumes());
-  }
-
-  // Fill unstructured grid
-  buildPrs();
+  if ( myClient.Update(theIsClear) )
+    buildPrs();  // Fill unstructured grid
 }
 
 //=================================================================================
@@ -794,7 +519,7 @@ void SMESH_MeshObj::Update( int theIsClear )
 //=================================================================================
 int SMESH_MeshObj::GetElemDimension( const int theObjId )
 {
-  const SMDS_MeshElement* anElem = myMesh->FindElement( theObjId );
+  const SMDS_MeshElement* anElem = myClient->FindElement( theObjId );
   if ( anElem == 0 )
     return 0;
 
@@ -818,22 +543,22 @@ int SMESH_MeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
   {
     case SMDSAbs_Node:
     {
-      return myMesh->NbNodes();
+      return myClient->NbNodes();
     }
     break;
     case SMDSAbs_Edge:
     {
-      return myMesh->NbEdges();
+      return myClient->NbEdges();
     }
     break;
     case SMDSAbs_Face:
     {
-      return myMesh->NbFaces();
+      return myClient->NbFaces();
     }
     break;
     case SMDSAbs_Volume:
     {
-      return myMesh->NbVolumes();
+      return myClient->NbVolumes();
     }
     break;
     default:
@@ -850,25 +575,25 @@ int SMESH_MeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList&
   {
     case SMDSAbs_Node:
     {
-      SMDS_NodeIteratorPtr anIter = myMesh->nodesIterator();
+      SMDS_NodeIteratorPtr anIter = myClient->nodesIterator();
       while ( anIter->more() ) theObjs.push_back( anIter->next() );
     }
     break;
     case SMDSAbs_Edge:
     {
-      SMDS_EdgeIteratorPtr anIter = myMesh->edgesIterator();
+      SMDS_EdgeIteratorPtr anIter = myClient->edgesIterator();
       while ( anIter->more() ) theObjs.push_back( anIter->next() );
     }
     break;
     case SMDSAbs_Face:
     {
-      SMDS_FaceIteratorPtr anIter = myMesh->facesIterator();
+      SMDS_FaceIteratorPtr anIter = myClient->facesIterator();
       while ( anIter->more() ) theObjs.push_back( anIter->next() );
     }
     break;
     case SMDSAbs_Volume:
     {
-      SMDS_VolumeIteratorPtr anIter = myMesh->volumesIterator();
+      SMDS_VolumeIteratorPtr anIter = myClient->volumesIterator();
       while ( anIter->more() ) theObjs.push_back( anIter->next() );
     }
     break;
@@ -894,7 +619,7 @@ void SMESH_MeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor
 //=================================================================================
 bool SMESH_MeshObj::IsNodePrs() const
 {
-  return myMesh->NbEdges() == 0 &&myMesh->NbFaces() == 0 &&myMesh->NbVolumes() == 0 ;
+  return myClient->NbEdges() == 0 &&myClient->NbFaces() == 0 && myClient->NbVolumes() == 0 ;
 }
 
 
@@ -1163,15 +888,3 @@ bool SMESH_subMeshObj::IsNodePrs() const
 {
   return mySubMeshServer->GetNumberOfElements() == 0;
 }
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