SMDS_ElementHolder Class Reference

Base class of object holding SMDS_MeshElement pointers. More...

#include <SMDS_ElementHolder.hxx>

Inheritance diagram for SMDS_ElementHolder:

Public Member Functions
	SMDS_ElementHolder (const SMDS_Mesh *mesh)
	register self in the mesh More...
virtual	~SMDS_ElementHolder ()
	un-register self from the mesh More...

Protected Member Functions
virtual SMDS_ElemIteratorPtr	getElements ()=0
	< the descendant object return its elements just before the mesh compacting More...
virtual void	tmpClear ()=0
	the descendant object re-add its elements after the mesh compacting More...
virtual void	add (const SMDS_MeshElement *element)=0
	the descendant squeeze its element storage after re-adding elements More...
virtual void	compact ()=0
	allow the descendant treat its elements before mesh clearing More...
virtual void	clear ()

Protected Attributes
SMDS_Mesh *	myMesh

Private Member Functions
void	beforeCompacting ()
	store vtkIDs of elements More...
void	restoreElements (const std::vector< smIdType > &idNodessOldToNew, const std::vector< smIdType > &idCellsOldToNew)
	restore pointers to elements More...

Private Attributes
std::vector< const SMDS_MeshElement * >	myExternalElems
	elements not contained in the mesh More...
std::vector< vtkIdType >	myVtkIDs
	vtk IDs of elements More...
std::vector< bool >	myIsNode
std::set< SMDS_ElementHolder * >::iterator	myPtrInMesh

Friends
class	SMDS_Mesh

Detailed Description

Base class of object holding SMDS_MeshElement pointers.

Registering such an object in SMDS_Mesh assures that the pointers remain valid after compacting the mesh

Constructor & Destructor Documentation

SMDS_ElementHolder()

SMDS_ElementHolder::SMDS_ElementHolder

(

const SMDS_Mesh *

mesh

)

register self in the mesh

References SMDS_Mesh::myElemHolders, myMesh, and myPtrInMesh.

~SMDS_ElementHolder()

SMDS_ElementHolder::~SMDS_ElementHolder ( )

virtual

un-register self from the mesh

References SMDS_Mesh::myElemHolders, myMesh, and myPtrInMesh.

Member Function Documentation

add()

virtual void SMDS_ElementHolder::add ( const SMDS_MeshElement *  element )

protectedpure virtual

the descendant squeeze its element storage after re-adding elements

Implemented in SMESH_ProxyMesh::SubMesh, SMDS_MeshGroup, SMESHDS_GroupOnFilter, SMESHDS_SubMesh, and SMESH_BadInputElements.

Referenced by restoreElements().

beforeCompacting()

void SMDS_ElementHolder::beforeCompacting ( )

private

store vtkIDs of elements

References SMDS_Mesh::Contains(), getElements(), SMDS_MeshElement::GetType(), SMDS_MeshElement::GetVtkID(), SMDS_MeshElement::IsNull(), myExternalElems, myIsNode, myMesh, myVtkIDs, and SMDSAbs_Node.

clear()

virtual void SMDS_ElementHolder::clear ( )

protectedvirtual

Reimplemented in SMESH_ProxyMesh::SubMesh.

Referenced by SMESH_MeshEditor::SplitBiQuadraticIntoLinear().

compact()

virtual void SMDS_ElementHolder::compact ( )

protectedpure virtual

allow the descendant treat its elements before mesh clearing

Implemented in SMDS_MeshGroup, SMESH_ProxyMesh::SubMesh, SMESHDS_GroupOnFilter, SMESHDS_SubMesh, and SMESH_BadInputElements.

Referenced by restoreElements().

getElements()

virtual SMDS_ElemIteratorPtr SMDS_ElementHolder::getElements ( )

protectedpure virtual

< the descendant object return its elements just before the mesh compacting

the descendant object temporary remove its elements

Implemented in SMDS_MeshGroup, SMESH_ProxyMesh::SubMesh, SMESHDS_GroupOnFilter, SMESHDS_SubMesh, and SMESH_BadInputElements.

Referenced by beforeCompacting().

restoreElements()

void SMDS_ElementHolder::restoreElements ( const std::vector< smIdType > &  idNodessOldToNew, const std::vector< smIdType > &  idCellsOldToNew  )

private

restore pointers to elements

References add(), compact(), SMDS_Mesh::FindElementVtk(), SMDS_Mesh::FindNodeVtk(), myExternalElems, myIsNode, myMesh, myVtkIDs, and tmpClear().

tmpClear()

virtual void SMDS_ElementHolder::tmpClear ( )

protectedpure virtual

the descendant object re-add its elements after the mesh compacting

Implemented in SMDS_MeshGroup, SMESH_ProxyMesh::SubMesh, SMESHDS_GroupOnFilter, SMESHDS_SubMesh, and SMESH_BadInputElements.

Referenced by restoreElements().

Friends And Related Function Documentation

SMDS_Mesh

friend class SMDS_Mesh

friend

Field Documentation

myExternalElems

std::vector<const SMDS_MeshElement*> SMDS_ElementHolder::myExternalElems

private

elements not contained in the mesh

Referenced by beforeCompacting(), and restoreElements().

myIsNode

std::vector< bool > SMDS_ElementHolder::myIsNode

private

Referenced by beforeCompacting(), and restoreElements().

myMesh

SMDS_Mesh* SMDS_ElementHolder::myMesh

protected

Referenced by beforeCompacting(), SMDS_MeshGroup::GetMesh(), restoreElements(), SMDS_ElementHolder(), and ~SMDS_ElementHolder().

myPtrInMesh

std::set<SMDS_ElementHolder*>::iterator SMDS_ElementHolder::myPtrInMesh

private

Referenced by SMDS_ElementHolder(), and ~SMDS_ElementHolder().

myVtkIDs

std::vector< vtkIdType > SMDS_ElementHolder::myVtkIDs

private

vtk IDs of elements

Referenced by beforeCompacting(), and restoreElements().