#endif
#include "SMDS_MeshElement.hxx"
-
-#include "SMDS_Mesh.hxx"
-#include "SMDS_ElementFactory.hxx"
-
+#include "SMDS_MeshNode.hxx"
+#include "SMDS_MeshEdge.hxx"
+#include "SMDS_MeshFace.hxx"
+#include "SMDS_MeshVolume.hxx"
#include "utilities.h"
-//================================================================================
-/*!
- * \brief Constructor of a non-used element
- */
-//================================================================================
+using namespace std;
-SMDS_MeshElement::SMDS_MeshElement(): myHolder(0)
+SMDS_MeshElement::SMDS_MeshElement(int ID)
{
+ init(ID);
}
-//================================================================================
-/*!
- * \brief Check if a node is a medium node of a quadratic cell
- */
-//================================================================================
-
-bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
+SMDS_MeshElement::SMDS_MeshElement(int id, ShortType meshId, LongType shapeId)
{
- return !( GetNodeIndex( node ) < NbCornerNodes() );
+ init(id, meshId, shapeId);
}
-//================================================================================
-/*!
- * \brief Return true if index of node is valid (0 <= ind < NbNodes())
- * \param ind - node index
- * \retval bool - index check result
- */
-//================================================================================
-
-bool SMDS_MeshElement::IsValidIndex(const int ind) const
+void SMDS_MeshElement::init(int id, ShortType meshId, LongType shapeId )
{
- return ( ind>-1 && ind<NbNodes() );
+ myID = id;
+ myMeshId = meshId;
+ myShapeId = shapeId;
+ myIdInShape = -1;
}
-//================================================================================
-/*!
- * \brief Return a valid corner node index, fixing the given one if necessary
- * \param ind - node index
- * \retval int - valid node index
- */
-//================================================================================
-
-int SMDS_MeshElement::WrappedIndex(const int ind) const
+void SMDS_MeshElement::Print(ostream & OS) const
{
- if ( ind < 0 ) return NbCornerNodes() + ind % NbCornerNodes();
- if ( ind >= NbCornerNodes() ) return ind % NbCornerNodes();
- return ind;
+ OS << "dump of mesh element" << endl;
}
-//================================================================================
-/*!
- * \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
- */
-//================================================================================
+ostream & operator <<(ostream & OS, const SMDS_MeshElement * ME)
+{
+ ME->Print(OS);
+ return OS;
+}
-int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on nodes owned by the element.
+/// This method call elementsIterator().
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshElement::nodesIterator() const
{
- SMDS_ElemIteratorPtr nIt = nodesIterator();
- for ( int i = 0; nIt->more(); ++i )
- if ( nIt->next() == node )
- return i;
- return -1;
+ return elementsIterator(SMDSAbs_Node);
}
-//================================================================================
-/*!
- * \brief Return ID of an element
- */
-//================================================================================
+///////////////////////////////////////////////////////////////////////////////
+/// Create an iterator which iterate on edges linked with or owned by the element.
+/// This method call elementsIterator().
+///////////////////////////////////////////////////////////////////////////////
+SMDS_ElemIteratorPtr SMDS_MeshElement::edgesIterator() const
+{
+ return elementsIterator(SMDSAbs_Edge);
+}
-int SMDS_MeshElement::GetID() const
+///////////////////////////////////////////////////////////////////////////////
+/// 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 myHolder ? myHolder->GetID( this ) : -1;
+ return elementsIterator(SMDSAbs_Face);
}
-//================================================================================
-/*!
- * \brief Set ID of a shape this element was generated on
- */
-//================================================================================
+///////////////////////////////////////////////////////////////////////////////
+///Return The number of nodes owned by the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbNodes() const
+{
+ int nbnodes=0;
+ SMDS_ElemIteratorPtr it=nodesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbnodes++;
+ }
+ return nbnodes;
+}
-void SMDS_MeshElement::setShapeID( const int shapeID ) const
+///////////////////////////////////////////////////////////////////////////////
+///Return the number of edges owned by or linked with the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbEdges() const
{
- const_cast<SMDS_ElementChunk*>( myHolder )->SetShapeID( this, shapeID );
+ int nbedges=0;
+ SMDS_ElemIteratorPtr it=edgesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbedges++;
+ }
+ return nbedges;
}
-//================================================================================
-/*!
- * \brief Return ID of a shape this element was generated on
- */
-//================================================================================
+///////////////////////////////////////////////////////////////////////////////
+///Return the number of faces owned by or linked with the current element
+///////////////////////////////////////////////////////////////////////////////
+int SMDS_MeshElement::NbFaces() const
+{
+ int nbfaces=0;
+ SMDS_ElemIteratorPtr it=facesIterator();
+ while(it->more())
+ {
+ it->next();
+ nbfaces++;
+ }
+ return nbfaces;
+}
-int SMDS_MeshElement::GetShapeID() const
+///////////////////////////////////////////////////////////////////////////////
+///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
{
- return myHolder->GetShapeID( this );
+ /** @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 Return VTK ID of this element
- */
-//================================================================================
+//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
+SMDS_NodeIteratorPtr SMDS_MeshElement::nodesIteratorToUNV() const
+{
+ return nodeIterator();
+}
-int SMDS_MeshElement::GetVtkID() const
+//! virtual, redefined in vtkEdge, vtkFace and vtkVolume classes
+SMDS_NodeIteratorPtr SMDS_MeshElement::interlacedNodesIterator() const
{
- return myHolder->GetVtkID( this );
+ return nodeIterator();
}
-//================================================================================
-/*!
- * \brief Mark this element
- */
-//================================================================================
+namespace
+{
+ //=======================================================================
+ //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(); }
+ };
+}
-void SMDS_MeshElement::setIsMarked( bool is ) const
+SMDS_ElemIteratorPtr SMDS_MeshElement::interlacedNodesElemIterator() const
{
- const_cast<SMDS_ElementChunk*>( myHolder )->SetIsMarked( this, is );
+ return SMDS_ElemIteratorPtr
+ ( new _MyElemIteratorFromNodeIterator( interlacedNodesIterator() ));
}
-//================================================================================
-/*!
- * \brief Check if this element is marked
- */
-//================================================================================
+SMDS_NodeIteratorPtr SMDS_MeshElement::nodeIterator() const
+{
+ return SMDS_NodeIteratorPtr
+ ( new _MyNodeIteratorFromElemIterator( nodesIterator() ));
+}
-bool SMDS_MeshElement::isMarked() const
+bool operator<(const SMDS_MeshElement& e1, const SMDS_MeshElement& e2)
{
- return myHolder->IsMarked( this );
+ 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 Store VTK ID
- */
-//================================================================================
+bool SMDS_MeshElement::IsValidIndex(const int ind) const
+{
+ return ( ind>-1 && ind<NbNodes() );
+}
-void SMDS_MeshElement::setVtkID( const int vtkID )
+const SMDS_MeshNode* SMDS_MeshElement::GetNode(const int ind) const
{
- myHolder->SetVTKID( this, vtkID );
+ 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;
}
-//================================================================================
-/*!
- * \brief Return the mesh this element belongs to
- */
-//================================================================================
+bool SMDS_MeshElement::IsQuadratic() const
+{
+ return false;
+}
-SMDS_Mesh* SMDS_MeshElement::GetMesh() const
+bool SMDS_MeshElement::IsMediumNode(const SMDS_MeshNode* node) const
{
- return const_cast<SMDS_ElementChunk*>( myHolder )->GetMesh();
+ return false;
}
//================================================================================
/*!
- * \brief Return a SMDS_UnstructuredGrid
+ * \brief Return number of nodes excluding medium ones
*/
//================================================================================
-SMDS_UnstructuredGrid* SMDS_MeshElement::getGrid() const
+int SMDS_MeshElement::NbCornerNodes() const
{
- return const_cast<SMDS_ElementChunk*>( myHolder )->GetMesh()->GetGrid();
+ return IsQuadratic() ? NbNodes() - NbEdges() : NbNodes();
}
//================================================================================
/*!
- * \brief Print self
+ * \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
*/
//================================================================================
-void SMDS_MeshElement::Print(ostream & OS) const
-{
- OS << "dump of mesh element" << endl;
-}
-
-ostream & operator <<(ostream & OS, const SMDS_MeshElement * e)
+int SMDS_MeshElement::GetNodeIndex( const SMDS_MeshNode* node ) const
{
- e->Print(OS);
- return OS;
+ SMDS_ElemIteratorPtr nIt = nodesIterator();
+ for ( int i = 0; nIt->more(); ++i )
+ if ( nIt->next() == node )
+ return i;
+ return -1;
}
