-// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMDS : implementaion of Salome mesh data structure
+// SMESH SMDS : implementation of Salome mesh data structure
//
#ifdef _MSC_VER
#pragma warning(disable:4786)
#endif
#include "SMDS_MeshElement.hxx"
-#include "SMDS_MeshNode.hxx"
-#include "SMDS_MeshEdge.hxx"
-#include "SMDS_MeshFace.hxx"
-#include "SMDS_MeshVolume.hxx"
+
+#include "SMDS_Mesh.hxx"
+#include "SMDS_ElementFactory.hxx"
+
#include "utilities.h"
-using namespace std;
+//================================================================================
+/*!
+ * \brief Constructor of a non-used element
+ */
+//================================================================================
-SMDS_MeshElement::SMDS_MeshElement(int ID)
+SMDS_MeshElement::SMDS_MeshElement(): myHolder(0)
{
- init(ID);
}
-SMDS_MeshElement::SMDS_MeshElement(int id, ShortType meshId, LongType shapeId)
-{
- init(id, meshId, shapeId);
-}
+//================================================================================
+/*!
+ * \brief Check if a node is a medium node of a quadratic cell
+ */
+//================================================================================
-void SMDS_MeshElement::init(int id, ShortType meshId, LongType shapeId )
+bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
{
- myID = id;
- myMeshId = meshId;
- myShapeId = shapeId;
- myIdInShape = -1;
+ return !( GetNodeIndex( node ) < NbCornerNodes() );
}
-void SMDS_MeshElement::Print(ostream & OS) const
-{
- OS << "dump of mesh element" << endl;
-}
+//================================================================================
+/*!
+ * \brief Return true if index of node is valid (0 <= ind < NbNodes())
+ * \param ind - node index
+ * \retval bool - index check result
+ */
+//================================================================================
-ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
+bool SMDS_MeshElement::IsValidIndex(const int ind) const
{
- ME->Print(OS);
- return OS;
+ return ( ind>-1 && ind<NbNodes() );
}
-///////////////////////////////////////////////////////////////////////////////
-/// Create an iterator which iterate on nodes owned by the element.
-/// This method call elementsIterator().
-///////////////////////////////////////////////////////////////////////////////
-SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
-{
- return elementsIterator(SMDSAbs_Node);
-}
+//================================================================================
+/*!
+ * \brief Return a valid corner node index, fixing the given one if necessary
+ * \param ind - node index
+ * \retval int - valid node index
+ */
+//================================================================================
-///////////////////////////////////////////////////////////////////////////////
-/// Create an iterator which iterate on edges linked with or owned by the element.
-/// This method call elementsIterator().
-///////////////////////////////////////////////////////////////////////////////
-SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
+int SMDS_MeshElement::WrappedIndex(const int ind) const
{
- return elementsIterator(SMDSAbs_Edge);
+ if ( ind < 0 ) return NbCornerNodes() + ind % NbCornerNodes();
+ if ( ind >= NbCornerNodes() ) return ind % NbCornerNodes();
+ return ind;
}
-///////////////////////////////////////////////////////////////////////////////
-/// Create an iterator which iterate on faces linked with or owned by the element.
-/// This method call elementsIterator().
-///////////////////////////////////////////////////////////////////////////////
-SMDS_ElemIteratorPtr SMDS_MeshElement::facesIterator() const
-{
- return elementsIterator(SMDSAbs_Face);
-}
+//================================================================================
+/*!
+ * \brief Check if a node belongs to the element
+ * \param node - the node to check
+ * \retval int - node index within the element, -1 if not found
+ */
+//================================================================================
-///////////////////////////////////////////////////////////////////////////////
-///Return The number of nodes owned by the current element
-///////////////////////////////////////////////////////////////////////////////
-int SMDS_MeshElement::NbNodes() const
+int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
{
- int nbnodes=0;
- SMDS_ElemIteratorPtr it=nodesIterator();
- while(it->more())
- {
- it->next();
- nbnodes++;
- }
- return nbnodes;
+ SMDS_ElemIteratorPtr nIt = nodesIterator();
+ for ( int i = 0; nIt->more(); ++i )
+ if ( nIt->next() == node )
+ return i;
+ return -1;
}
-///////////////////////////////////////////////////////////////////////////////
-///Return the number of edges owned by or linked with the current element
-///////////////////////////////////////////////////////////////////////////////
-int SMDS_MeshElement::NbEdges() const
-{
- int nbedges=0;
- SMDS_ElemIteratorPtr it=edgesIterator();
- while(it->more())
- {
- it->next();
- nbedges++;
- }
- return nbedges;
-}
+//================================================================================
+/*!
+ * \brief Return ID of an element
+ */
+//================================================================================
-///////////////////////////////////////////////////////////////////////////////
-///Return the number of faces owned by or linked with the current element
-///////////////////////////////////////////////////////////////////////////////
-int SMDS_MeshElement::NbFaces() const
+int SMDS_MeshElement::GetID() const
{
- int nbfaces=0;
- SMDS_ElemIteratorPtr it=facesIterator();
- while(it->more())
- {
- it->next();
- nbfaces++;
- }
- return nbfaces;
+ return myHolder ? myHolder->GetID( this ) : -1;
}
-///////////////////////////////////////////////////////////////////////////////
-///Create an iterator which iterate on elements linked with the current element.
-///@param type The of elements on which you want to iterate
-///@return A smart pointer to iterator, you are not to take care of freeing memory
-///////////////////////////////////////////////////////////////////////////////
-class SMDS_MeshElement_MyIterator:public SMDS_ElemIterator
-{
- const SMDS_MeshElement * myElement;
- bool myMore;
-public:
- SMDS_MeshElement_MyIterator(const SMDS_MeshElement * element):
- myElement(element),myMore(true) {}
-
- bool more()
- {
- return myMore;
- }
-
- const SMDS_MeshElement* next()
- {
- myMore=false;
- return myElement;
- }
-};
-
-SMDS_ElemIteratorPtr
-SMDS_MeshElement::elementsIterator(SMDSAbs_ElementType type) const
-{
- /** @todo Check that iterator in the child classes return elements
- in the same order for each different implementation (i.e: SMDS_VolumeOfNodes
- and SMDS_VolumeOfFaces */
- if(type==GetType())
- return SMDS_ElemIteratorPtr(new SMDS_MeshElement_MyIterator(this));
- else
- {
- MESSAGE("Iterator not implemented");
- return SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL);
- }
-}
+//================================================================================
+/*!
+ * \brief Set ID of a shape this element was generated on
+ */
+//================================================================================
-//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
-SMDS_NodeIteratorPtr SMDS_MeshElement::nodesIteratorToUNV() const
+void SMDS_MeshElement::setShapeID( const int shapeID ) const
{
- return nodeIterator();
+ const_cast<SMDS_ElementChunk*>( myHolder )->SetShapeID( this, shapeID );
}
-//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
-SMDS_NodeIteratorPtr SMDS_MeshElement::interlacedNodesIterator() const
-{
- return nodeIterator();
-}
+//================================================================================
+/*!
+ * \brief Return ID of a shape this element was generated on
+ */
+//================================================================================
-namespace
+int SMDS_MeshElement::GetShapeID() const
{
- //=======================================================================
- //class : _MyNodeIteratorFromElemIterator
- //=======================================================================
- class _MyNodeIteratorFromElemIterator : public SMDS_NodeIterator
- {
- SMDS_ElemIteratorPtr myItr;
- public:
- _MyNodeIteratorFromElemIterator(SMDS_ElemIteratorPtr elemItr):myItr( elemItr ) {}
- bool more() { return myItr->more(); }
- const SMDS_MeshNode* next() { return static_cast< const SMDS_MeshNode*>( myItr->next() ); }
- };
- //=======================================================================
- //class : _MyElemIteratorFromNodeIterator
- //=======================================================================
- class _MyElemIteratorFromNodeIterator : public SMDS_ElemIterator
- {
- SMDS_NodeIteratorPtr myItr;
- public:
- _MyElemIteratorFromNodeIterator(SMDS_NodeIteratorPtr nodeItr): myItr( nodeItr ) {}
- bool more() { return myItr->more(); }
- const SMDS_MeshElement* next() { return myItr->next(); }
- };
+ return myHolder->GetShapeID( this );
}
-SMDS_ElemIteratorPtr SMDS_MeshElement::interlacedNodesElemIterator() const
-{
- return SMDS_ElemIteratorPtr
- ( new _MyElemIteratorFromNodeIterator( interlacedNodesIterator() ));
-}
+//================================================================================
+/*!
+ * \brief Return VTK ID of this element
+ */
+//================================================================================
-SMDS_NodeIteratorPtr SMDS_MeshElement::nodeIterator() const
+int SMDS_MeshElement::GetVtkID() const
{
- return SMDS_NodeIteratorPtr
- ( new _MyNodeIteratorFromElemIterator( nodesIterator() ));
+ return myHolder->GetVtkID( this );
}
-bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
-{
- if(e1.GetType()!=e2.GetType()) return false;
- switch(e1.GetType())
- {
- case SMDSAbs_Node:
- return static_cast<const SMDS_MeshNode &>(e1) <
- static_cast<const SMDS_MeshNode &>(e2);
-
- case SMDSAbs_Edge:
- return static_cast<const SMDS_MeshEdge &>(e1) <
- static_cast<const SMDS_MeshEdge &>(e2);
-
- case SMDSAbs_Face:
- return static_cast<const SMDS_MeshFace &>(e1) <
- static_cast<const SMDS_MeshFace &>(e2);
-
- case SMDSAbs_Volume:
- return static_cast<const SMDS_MeshVolume &>(e1) <
- static_cast<const SMDS_MeshVolume &>(e2);
-
- default : MESSAGE("Internal Error");
- }
- return false;
-}
+//================================================================================
+/*!
+ * \brief Mark this element
+ */
+//================================================================================
-bool SMDS_MeshElement::IsValidIndex(const int ind) const
+void SMDS_MeshElement::setIsMarked( bool is ) const
{
- return ( ind>-1 && ind<NbNodes() );
+ const_cast<SMDS_ElementChunk*>( myHolder )->SetIsMarked( this, is );
}
-const SMDS_MeshNode* SMDS_MeshElement::GetNode(const int ind) const
+//================================================================================
+/*!
+ * \brief Check if this element is marked
+ */
+//================================================================================
+
+bool SMDS_MeshElement::isMarked() const
{
- if ( ind >= 0 ) {
- SMDS_ElemIteratorPtr it = nodesIterator();
- for ( int i = 0; i < ind; ++i )
- it->next();
- if ( it->more() )
- return static_cast<const SMDS_MeshNode*> (it->next());
- }
- return 0;
+ return myHolder->IsMarked( this );
}
-bool SMDS_MeshElement::IsQuadratic() const
+//================================================================================
+/*!
+ * \brief Store VTK ID
+ */
+//================================================================================
+
+void SMDS_MeshElement::setVtkID( const int vtkID )
{
- return false;
+ myHolder->SetVTKID( this, vtkID );
}
-bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
+//================================================================================
+/*!
+ * \brief Return the mesh this element belongs to
+ */
+//================================================================================
+
+SMDS_Mesh* SMDS_MeshElement::GetMesh() const
{
- return false;
+ return const_cast<SMDS_ElementChunk*>( myHolder )->GetMesh();
}
//================================================================================
/*!
- * \brief Return number of nodes excluding medium ones
+ * \brief Return a SMDS_UnstructuredGrid
*/
//================================================================================
-int SMDS_MeshElement::NbCornerNodes() const
+SMDS_UnstructuredGrid* SMDS_MeshElement::getGrid() const
{
- return IsQuadratic() ? NbNodes() - NbEdges() : NbNodes();
+ return const_cast<SMDS_ElementChunk*>( myHolder )->GetMesh()->GetGrid();
}
//================================================================================
/*!
- * \brief Check if a node belongs to the element
- * \param node - the node to check
- * \retval int - node index within the element, -1 if not found
+ * \brief Print self
*/
//================================================================================
-int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
+void SMDS_MeshElement::Print(ostream & OS) const
{
- SMDS_ElemIteratorPtr nIt = nodesIterator();
- for ( int i = 0; nIt->more(); ++i )
- if ( nIt->next() == node )
- return i;
- return -1;
+ OS << "dump of mesh element" << endl;
+}
+
+ostream & operator <<(ostream & OS, const SMDS_MeshElement * e)
+{
+ e->Print(OS);
+ return OS;
}