// Author : Jean-Michel BOULCOURT
// Module : SMESH
//
+
#include "SMDS_MeshVolume.hxx"
-//=======================================================================
-//function : Print
-//purpose :
-//=======================================================================
-SMDSAbs_ElementType SMDS_MeshVolume::GetType() const
+#include "SMDS_Mesh.hxx"
+#include "SMDS_VolumeTool.hxx"
+#include "SMDS_VtkCellIterator.hxx"
+
+#include <boost/make_shared.hpp>
+
+// init a polyherdon
+void SMDS_MeshVolume::init( const std::vector<const SMDS_MeshNode*>& nodes,
+ const std::vector<int>& nbNodesPerFace )
+{
+ std::vector<vtkIdType> ptIds;
+ ptIds.reserve( nodes.size() + nbNodesPerFace.size() + 1 );
+
+ size_t nbFaces = nbNodesPerFace.size();
+ for ( size_t iN = 0, iF = 0; iF < nbFaces; iF++ )
+ {
+ int nf = nbNodesPerFace[iF];
+ ptIds.push_back(nf);
+ for (int n = 0; n < nf; n++)
+ ptIds.push_back( nodes[ iN++ ]->GetVtkID() );
+ }
+
+ int vtkID = getGrid()->InsertNextLinkedCell(VTK_POLYHEDRON, nbFaces, &ptIds[0]);
+ setVtkID( vtkID );
+}
+
+void SMDS_MeshVolume::init( const std::vector<vtkIdType>& vtkNodeIds )
+{
+ SMDSAbs_EntityType aType = SMDSEntity_Tetra;
+ switch ( vtkNodeIds.size()) // cases are in order of usage frequency
+ {
+ case 4: aType = SMDSEntity_Tetra; break;
+ case 5: aType = SMDSEntity_Pyramid; break;
+ case 8: aType = SMDSEntity_Hexa; break;
+ case 6: aType = SMDSEntity_Penta; break;
+ case 10: aType = SMDSEntity_Quad_Tetra; break;
+ case 20: aType = SMDSEntity_Quad_Hexa; break;
+ case 13: aType = SMDSEntity_Quad_Pyramid; break;
+ case 27: aType = SMDSEntity_TriQuad_Hexa; break;
+ case 15: aType = SMDSEntity_Quad_Penta; break;
+ case 18: aType = SMDSEntity_BiQuad_Penta; break;
+ case 12: aType = SMDSEntity_Hexagonal_Prism; break;
+ default: throw SALOME_Exception("wrong volume nodes");
+ }
+ SMDS_MeshCell::init( aType, vtkNodeIds );
+}
+
+const SMDS_MeshNode* SMDS_MeshVolume::GetNode(const int ind) const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::GetNode( ind );
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0, nbPoints = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int nodesInFace = ptIds[id];
+ if ( ind < nbPoints + nodesInFace )
+ return GetMesh()->FindNodeVtk( ptIds[ ind + i ]);
+ nbPoints += nodesInFace;
+ id += (nodesInFace + 1);
+ }
+ return 0;
+}
+int SMDS_MeshVolume::NbNodes() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::NbNodes();
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0, nbPoints = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int nodesInFace = ptIds[id];
+ nbPoints += nodesInFace;
+ id += (nodesInFace + 1);
+ }
+ return nbPoints;
+}
+
+int SMDS_MeshVolume::NbFaces() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::NbFaces();
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ return nFaces;
+
+}
+int SMDS_MeshVolume::NbEdges() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::NbEdges();
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0, nbEdges = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int edgesInFace = ptIds[id];
+ id += (edgesInFace + 1);
+ nbEdges += edgesInFace;
+ }
+ nbEdges = nbEdges / 2;
+ return nbEdges;
+}
+
+int SMDS_MeshVolume::GetNodeIndex( const SMDS_MeshNode* node ) const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::GetNodeIndex( node );
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0;
+ for (int iF = 0; iF < nFaces; iF++)
+ {
+ int nodesInFace = ptIds[id];
+ for ( vtkIdType i = 0; i < nodesInFace; ++i )
+ if ( ptIds[id+i+1] == node->GetVtkID() )
+ return id+i-iF;
+ id += (nodesInFace + 1);
+ }
+ return -1;
+}
+bool SMDS_MeshVolume::ChangeNodes(const SMDS_MeshNode* nodes[], const int nbNodes)
+{
+ return false;
+}
+
+bool SMDS_MeshVolume::IsMediumNode(const SMDS_MeshNode* node) const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::IsMediumNode( node );
+
+ return false;
+}
+
+int SMDS_MeshVolume::NbCornerNodes() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::NbCornerNodes();
+
+ return NbNodes();
+}
+
+int SMDS_MeshVolume::NbFaceNodes (const int face_ind) const
{
- return SMDSAbs_Volume;
+ if ( !IsPoly() )
+ return SMDS_VolumeTool( this ).NbFaceNodes( face_ind-1 );
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0, nbNodes = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int nodesInFace = ptIds[id];
+ id += (nodesInFace + 1);
+ if (i == face_ind - 1)
+ {
+ nbNodes = nodesInFace;
+ break;
+ }
+ }
+ return nbNodes;
}
-vtkIdType SMDS_MeshVolume::GetVtkType() const
+const SMDS_MeshNode* SMDS_MeshVolume::GetFaceNode (const int face_ind, const int node_ind) const
{
- return VTK_CONVEX_POINT_SET; // --- must be reimplemented in derived classes
+ if ( !IsPoly() )
+ return SMDS_VolumeTool( this ).GetFaceNodes( face_ind-1 )[ node_ind - 1 ];
+
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds);
+ int id = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int nodesInFace = ptIds[id]; // nodeIds in ptIds[id+1 .. id+nodesInFace]
+ if (i == face_ind - 1) // first face is number 1
+ {
+ if ((node_ind > 0) && (node_ind <= nodesInFace))
+ return GetMesh()->FindNodeVtk(ptIds[id + node_ind]); // ptIds[id+1] : first node
+ }
+ id += (nodesInFace + 1);
+ }
+ return 0;
+}
+
+std::vector<int> SMDS_MeshVolume::GetQuantities() const
+{
+ std::vector<int> quantities;
+ if ( IsPoly() )
+ {
+ vtkIdType nFaces = 0;
+ vtkIdType* ptIds = 0;
+ getGrid()->GetFaceStream( GetVtkID(), nFaces, ptIds );
+ int id = 0;
+ for (int i = 0; i < nFaces; i++)
+ {
+ int nodesInFace = ptIds[id]; // nodeIds in ptIds[id+1 .. id+nodesInFace]
+ quantities.push_back( nodesInFace );
+ id += (nodesInFace + 1);
+ }
+ }
+ return quantities;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on nodes owned by the element.
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshVolume::nodesIterator() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::nodesIterator();
+
+ return boost::make_shared< SMDS_VtkCellIteratorPolyH<> >( GetMesh(), GetVtkID(), GetEntityType());
+}
+
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on nodes owned by the element.
+///////////////////////////////////////////////////////////////////////////////
+SMDS_NodeIteratorPtr SMDS_MeshVolume::nodeIterator() const
+{
+ if ( !IsPoly() )
+ return SMDS_MeshCell::nodeIterator();
+
+ return boost::make_shared< SMDS_VtkCellIteratorPolyH< SMDS_NodeIterator> >( GetMesh(), GetVtkID(), GetEntityType());
}
