SMESH_ElementSearcherImpl Struct Reference

Classes
struct	TFaceLink
	< link and faces sharing it (used in findOuterBoundary()) More...
struct	TInters
	< data of intersection of the line and the mesh face (used in GetPointState()) More...

Public Member Functions
virtual const SMDS_MeshElement *	FindClosestTo (const gp_Pnt &point, SMDSAbs_ElementType type)
	Find an element of given type most close to the given point. More...
virtual int	FindElementsByPoint (const gp_Pnt &point, SMDSAbs_ElementType type, vector< const SMDS_MeshElement * > &foundElements)
	Find elements of given type where the given point is IN or ON. Returns nb of found elements and elements them-selves. More...
void	findOuterBoundary (const SMDS_MeshElement *anyOuterFace)
	Find all faces belonging to the outer boundary of mesh. More...
void	GetElementsNearLine (const gp_Ax1 &line, SMDSAbs_ElementType type, vector< const SMDS_MeshElement * > &foundElems)
	Return elements possibly intersecting the line. More...
bool	getIntersParamOnLine (const gp_Lin &line, const SMDS_MeshElement *face, const double tolerance, double &param)
	Find intersection of the line and an edge of face and return parameter on line. More...
virtual TopAbs_State	GetPointState (const gp_Pnt &point)
	Classify the given point in the closed 2D mesh. More...
double	getTolerance ()
	define tolerance for search More...
bool	isOuterBoundary (const SMDS_MeshElement *face) const
	SMESH_ElementSearcherImpl (SMDS_Mesh &mesh, double tol=-1, SMDS_ElemIteratorPtr elemIt=SMDS_ElemIteratorPtr())
virtual	~SMESH_ElementSearcherImpl ()
Public Member Functions inherited from SMESH_ElementSearcher
virtual const SMDS_MeshElement *	FindClosestTo (const gp_Pnt &point, SMDSAbs_ElementType type)=0
	Return an element most close to the given point. More...
virtual int	FindElementsByPoint (const gp_Pnt &point, SMDSAbs_ElementType type, std::vector< const SMDS_MeshElement * > &foundElems)=0
	Find elements of given type where the given point is IN or ON. Returns nb of found elements and elements them-selves. More...
virtual void	GetElementsNearLine (const gp_Ax1 &line, SMDSAbs_ElementType type, std::vector< const SMDS_MeshElement * > &foundElems)=0
	Return elements possibly intersecting the line. More...
virtual TopAbs_State	GetPointState (const gp_Pnt &point)=0
	Find out if the given point is out of closed 2D mesh. More...
virtual	~SMESH_ElementSearcher ()
	Implementation of search for the elements by point and of classification of point in 2D mesh. More...

Constructor & Destructor Documentation

SMESH_ElementSearcherImpl()

SMESH_ElementSearcherImpl::SMESH_ElementSearcherImpl	(	SMDS_Mesh &	mesh,
		double	tol = -1,
		SMDS_ElemIteratorPtr	elemIt = SMDS_ElemIteratorPtr()
	)

~SMESH_ElementSearcherImpl()

virtual SMESH_ElementSearcherImpl::~SMESH_ElementSearcherImpl ( )

virtual

Member Function Documentation

FindClosestTo()

const SMDS_MeshElement * SMESH_ElementSearcherImpl::FindClosestTo ( const gp_Pnt &  point, SMDSAbs_ElementType  type  )

virtual

Find an element of given type most close to the given point.

WARNING: Only face search is implemeneted so far

Implements SMESH_ElementSearcher.

References DraftVecUtils::dist(), SMESH_MeshAlgos::GetDistance(), SMDS_MeshElement::NbNodes(), and SMDS_MeshElement::nodesIterator().

FindElementsByPoint()

int SMESH_ElementSearcherImpl::FindElementsByPoint ( const gp_Pnt &  point, SMDSAbs_ElementType  type, vector< const SMDS_MeshElement * > &  foundElements  )

virtual

Find elements of given type where the given point is IN or ON. Returns nb of found elements and elements them-selves.

'ALL' type means elements of any type excluding nodes, balls and 0D elements

Implements SMESH_ElementSearcher.

References SMESH_NodeSearcherImpl::FindNearPoint(), getTolerance(), SMESH_MeshAlgos::IsOut(), and draftutils.utils::tolerance().

findOuterBoundary()

void SMESH_ElementSearcherImpl::findOuterBoundary

(

const SMDS_MeshElement *

anyOuterFace

)

Find all faces belonging to the outer boundary of mesh.

References SMESH_MeshAlgos::FaceNormal(), SMESH_MeshAlgos::FindFaceInSet(), SMDS_MeshElement::GetNode(), SMDS_MeshElement::GetNodeIndex(), SMDS_MeshElement::IsQuadratic(), SMDS_MeshElement::NbNodes(), SMESH_TLink::node1(), and SMESH_TLink::node2().

Referenced by GetPointState().

GetElementsNearLine()

void SMESH_ElementSearcherImpl::GetElementsNearLine ( const gp_Ax1 &  line, SMDSAbs_ElementType  type, vector< const SMDS_MeshElement * > &  foundElems  )

virtual

Return elements possibly intersecting the line.

Implements SMESH_ElementSearcher.

getIntersParamOnLine()

bool SMESH_ElementSearcherImpl::getIntersParamOnLine	(	const gp_Lin &	line,
		const SMDS_MeshElement *	face,
		const double	tolerance,
		double &	param
	)

Find intersection of the line and an edge of face and return parameter on line.

References draftguitools.gui_annotationstyleeditor::param.

Referenced by GetPointState().

GetPointState()

TopAbs_State SMESH_ElementSearcherImpl::GetPointState ( const gp_Pnt &  point )

virtual

Classify the given point in the closed 2D mesh.

Implements SMESH_ElementSearcher.

References SMESH_MeshAlgos::FaceNormal(), findOuterBoundary(), SMESH_MeshAlgos::GetCommonNodes(), getIntersParamOnLine(), getTolerance(), SMESH_MeshAlgos::IsOut(), isOuterBoundary(), draftguitools.gui_annotationstyleeditor::param, and draftutils.utils::tolerance().

getTolerance()

double SMESH_ElementSearcherImpl::getTolerance

(

)

define tolerance for search

References DraftVecUtils::dist(), SMESH_TNodeXYZ::Distance(), SMDS_Mesh::elementsIterator(), SMDS_Mesh::GetMeshInfo(), SMESH_NodeSearcherImpl::getTree(), SMESH_Octree::maxSize(), SMDS_MeshInfo::NbElements(), SMDS_MeshInfo::NbNodes(), SMDS_MeshElement::nodesIterator(), and SMDS_Mesh::nodesIterator().

Referenced by FindElementsByPoint(), and GetPointState().

isOuterBoundary()

bool SMESH_ElementSearcherImpl::isOuterBoundary

(

const SMDS_MeshElement *

face

)

const

Referenced by GetPointState().

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The documentation for this struct was generated from the following file:

• FreeCAD/src/3rdParty/salomesmesh/src/SMESH/SMESH_MeshAlgos.cpp