StdMeshers_ProjectionUtils Namespace Reference

Methods common to Projection algorithms. More...

Classes
class	TrsfFinder2D
	Finds transformation beween two sets of 2D points using a least square approximation. More...
class	TrsfFinder3D
	Finds transformation beween two sets of 3D points using a least square approximation. More...

Typedefs
typedef TopTools_IndexedDataMapOfShapeListOfShape	TAncestorMap
typedef std::map< const SMDS_MeshNode *, const SMDS_MeshNode *, TIDCompare >	TNodeNodeMap
typedef StdMeshers_ShapeShapeBiDirectionMap	TShapeShapeMap

Functions
int	FindFaceAssociation (const TopoDS_Face &face1, TopoDS_Vertex VV1[2], const TopoDS_Face &face2, TopoDS_Vertex VV2[2], std::list< TopoDS_Edge > &edges1, std::list< TopoDS_Edge > &edges2, const bool isClosenessAssoc=false)
	Find association of edges of faces. More...
bool	FindMatchingNodesOnFaces (const TopoDS_Face &face1, SMESH_Mesh *mesh1, const TopoDS_Face &face2, SMESH_Mesh *mesh2, const TShapeShapeMap &assocMap, TNodeNodeMap &nodeIn2OutMap)
	Find corresponding nodes on two faces. More...
bool	FindSubShapeAssociation (const TopoDS_Shape &theShape1, SMESH_Mesh *theMesh1, const TopoDS_Shape &theShape2, SMESH_Mesh *theMesh2, TShapeShapeMap &theAssociationMap)
	Looks for association of all sub-shapes of two shapes. More...
TopoDS_Edge	GetBoundaryEdge (const TopoDS_Shape &edgeContainer, const SMESH_Mesh &mesh, std::list< TopoDS_Edge > *allBndEdges=0)
	Return a boundary EDGE (or all boundary EDGEs) of edgeContainer. More...
TopoDS_Edge	GetEdgeByVertices (SMESH_Mesh *aMesh, const TopoDS_Vertex &V1, const TopoDS_Vertex &V2)
	Finds an edge by its vertices in a main shape of the mesh. More...
TopoDS_Face	GetNextFace (const TAncestorMap &edgeToFaces, const TopoDS_Edge &edge, const TopoDS_Face &face)
	Return another face sharing an edge. More...
TopoDS_Vertex	GetNextVertex (const TopoDS_Edge &edge, const TopoDS_Vertex &vertex)
	Return other vertex of an edge. More...
std::pair< int, TopoDS_Edge >	GetPropagationEdge (SMESH_Mesh *aMesh, const TopoDS_Edge &anEdge, const TopoDS_Edge &fromEdge, TopTools_IndexedMapOfShape *chain=0)
	Return an oriented propagation edge. More...
void	InitVertexAssociation (const SMESH_Hypothesis *theHyp, TShapeShapeMap &theAssociationMap)
	Insert vertex association defined by a hypothesis into a map. More...
bool	InsertAssociation (const TopoDS_Shape &theShape1, const TopoDS_Shape &theShape2, TShapeShapeMap &theAssociationMap)
	Inserts association theShape1 <-> theShape2 to TShapeShapeMap. More...
bool	MakeComputed (SMESH_subMesh *sm, const int iterationNb=0)
	Check that submeshis is computed and try to compute it if is not. More...
TopoDS_Shape	OuterShape (const TopoDS_Face &face, TopAbs_ShapeEnum type)
	Return any sub-shape of a face belonging to the outer wire. More...
void	SetEventListener (SMESH_subMesh *subMesh, TopoDS_Shape srcShape, SMESH_Mesh *srcMesh)
	Set event listeners to submesh with projection algo. More...
std::string	SourceNotComputedError (SMESH_subMesh *sm=0, SMESH_Algo *projAlgo=0)
	Returns an error message to show in case if MakeComputed( sm ) fails. More...

Detailed Description

Methods common to Projection algorithms.

Typedef Documentation

TAncestorMap

typedef TopTools_IndexedDataMapOfShapeListOfShape StdMeshers_ProjectionUtils::TAncestorMap

TNodeNodeMap

typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare> StdMeshers_ProjectionUtils::TNodeNodeMap

TShapeShapeMap

typedef StdMeshers_ShapeShapeBiDirectionMap StdMeshers_ProjectionUtils::TShapeShapeMap

Function Documentation

FindFaceAssociation()

int StdMeshers_ProjectionUtils::FindFaceAssociation	(	const TopoDS_Face &	face1,
		TopoDS_Vertex	VV1[2],
		const TopoDS_Face &	face2,
		TopoDS_Vertex	VV2[2],
		std::list< TopoDS_Edge > &	edges1,
		std::list< TopoDS_Edge > &	edges2,
		const bool	isClosenessAssoc = false
	)

Find association of edges of faces.

Parameters

face1	- face 1
VV1	- vertices of face 1
face2	- face 2
VV2	- vertices of face 2 associated with oned of face 1
edges1	- out list of edges of face 1
edges2	- out list of edges of face 2
isClosenessAssoc	- is association starting by VERTEX closeness

Return values

int	- nb of edges in an outer wire in a success case, else zero

References SMESH_Algo::EdgeLength(), DraftVecUtils::find(), SMESH_Block::GetOrderedEdges(), SMESH_MesherHelper::IsClosedEdge(), SMESH_Algo::isDegenerated(), and SMESH_MesherHelper::IthVertex().

Referenced by FindSubShapeAssociation().

FindMatchingNodesOnFaces()

bool StdMeshers_ProjectionUtils::FindMatchingNodesOnFaces	(	const TopoDS_Face &	face1,
		SMESH_Mesh *	mesh1,
		const TopoDS_Face &	face2,
		SMESH_Mesh *	mesh2,
		const TShapeShapeMap &	assocMap,
		TNodeNodeMap &	nodeIn2OutMap
	)

Find corresponding nodes on two faces.

Parameters

face1	- the first face
mesh1	- mesh containing elements on the first face
face2	- the second face
mesh2	- mesh containing elements on the second face
assocMap	- map associating sub-shapes of the faces
nodeIn2OutMap	- map containing found matching nodes

Return values

bool	- is a success

References SMESHDS_SubMesh::Contains(), SMESH_MeshAlgos::FindFaceInSet(), SMESH_MeshEditor::FindMatchingNodes(), SMESHDS_SubMesh::GetElements(), SMDS_MeshNode::GetInverseElementIterator(), SMESH_Mesh::GetMeshDS(), SMDS_MeshElement::GetNode(), SMESHDS_SubMesh::GetNodes(), SMESH_MesherHelper::GetNodeU(), SMESH_MesherHelper::GetNodeUV(), SMDS_MeshNode::GetPosition(), SMDS_MeshElement::getshapeId(), SMDS_Position::GetTypeOfPosition(), SMESH_MesherHelper::HasSeam(), StdMeshers_ShapeShapeBiDirectionMap::IsBound(), SMESH_MesherHelper::IsClosedEdge(), SMDS_MeshElement::IsQuadratic(), SMESH_MesherHelper::IsRealSeam(), SMESH_MesherHelper::IsSeamShape(), SMESH_MesherHelper::IsSubShape(), SMESHDS_Mesh::MeshElements(), SMESHDS_SubMesh::NbElements(), SMESHDS_SubMesh::NbNodes(), SMDS_MeshElement::NbNodes(), OuterShape(), SMESH_MesherHelper::SetSubShape(), SMESH_MeshEditor::SEW_OK, SMESHDS_Mesh::ShapeToIndex(), and SMESH_Algo::VertexNode().

FindSubShapeAssociation()

bool StdMeshers_ProjectionUtils::FindSubShapeAssociation	(	const TopoDS_Shape &	theShape1,
		SMESH_Mesh *	theMesh1,
		const TopoDS_Shape &	theShape2,
		SMESH_Mesh *	theMesh2,
		TShapeShapeMap &	theAssociationMap
	)

Looks for association of all sub-shapes of two shapes.

Parameters

theShape1	- shape 1
theMesh1	- mesh built on shape 1
theShape2	- shape 2
theMesh2	- mesh built on shape 2
theAssociation	- association map to be filled that may contain association of one or two pairs of vertices

Return values

bool	- true if association found

References StdMeshers_ShapeShapeBiDirectionMap::Bind(), SMESH_MesherHelper::Count(), StdMeshers_ShapeShapeBiDirectionMap::Extent(), FindFaceAssociation(), FindSubShapeAssociation(), SMESH_Mesh::GetAncestorMap(), SMESH_MesherHelper::GetAncestors(), SMESH_Mesh::GetAncestors(), GetBoundaryEdge(), GetEdgeByVertices(), SMESH_Mesh::GetMeshDS(), GetNextFace(), GetNextVertex(), GetPropagationEdge(), SMESH_MesherHelper::GetSubShapeOri(), InsertAssociation(), StdMeshers_ShapeShapeBiDirectionMap::IsBound(), SMESH_MesherHelper::IsClosedEdge(), StdMeshers_ShapeShapeBiDirectionMap::IsEmpty(), SMESHDS_Mesh::MeshElements(), OuterShape(), StdMeshers_ShapeShapeBiDirectionMap::SetAssocType(), and SMESHDS_Mesh::ShapeToIndex().

Referenced by FindSubShapeAssociation().

GetBoundaryEdge()

TopoDS_Edge StdMeshers_ProjectionUtils::GetBoundaryEdge	(	const TopoDS_Shape &	edgeContainer,
		const SMESH_Mesh &	mesh,
		std::list< TopoDS_Edge > *	allBndEdges = 0
	)

Return a boundary EDGE (or all boundary EDGEs) of edgeContainer.

References SMESH_MesherHelper::GetAncestors().

Referenced by FindSubShapeAssociation().

GetEdgeByVertices()

TopoDS_Edge StdMeshers_ProjectionUtils::GetEdgeByVertices	(	SMESH_Mesh *	aMesh,
		const TopoDS_Vertex &	V1,
		const TopoDS_Vertex &	V2
	)

Finds an edge by its vertices in a main shape of the mesh.

References SMESH_Mesh::GetAncestors().

Referenced by FindSubShapeAssociation().

GetNextFace()

TopoDS_Face StdMeshers_ProjectionUtils::GetNextFace	(	const TAncestorMap &	edgeToFaces,
		const TopoDS_Edge &	edge,
		const TopoDS_Face &	face
	)

Return another face sharing an edge.

Parameters

edgeToFaces

- data map of descendants to ancestors

Referenced by FindSubShapeAssociation().

GetNextVertex()

TopoDS_Vertex StdMeshers_ProjectionUtils::GetNextVertex	(	const TopoDS_Edge &	edge,
		const TopoDS_Vertex &	vertex
	)

Return other vertex of an edge.

Referenced by FindSubShapeAssociation().

GetPropagationEdge()

pair< int, TopoDS_Edge > StdMeshers_ProjectionUtils::GetPropagationEdge	(	SMESH_Mesh *	aMesh,
		const TopoDS_Edge &	anEdge,
		const TopoDS_Edge &	fromEdge,
		TopTools_IndexedMapOfShape *	chain = 0
	)

Return an oriented propagation edge.

Parameters

aMesh	- mesh
fromEdge	- start edge for propagation
chain	- return, if provided, a propagation chain passed till anEdge; if anEdge.IsNull() then a full propagation chain is returned

Return values

pair<int,TopoDS_Edge>

- propagation step and found edge

References SMESH_Mesh::GetAncestors().

Referenced by StdMeshers_Prism_3D::Compute(), and FindSubShapeAssociation().

InitVertexAssociation()

void StdMeshers_ProjectionUtils::InitVertexAssociation	(	const SMESH_Hypothesis *	theHyp,
		TShapeShapeMap &	theAssociationMap
	)

Insert vertex association defined by a hypothesis into a map.

Parameters

theHyp	- hypothesis
theAssociationMap	- association map
theTargetShape	- the shape theHyp assigned to

References SMESHDS_Hypothesis::GetName(), StdMeshers_ProjectionSource3D::GetSourceVertex(), StdMeshers_ProjectionSource1D::GetSourceVertex(), StdMeshers_ProjectionSource2D::GetSourceVertex(), StdMeshers_ProjectionSource3D::GetTargetVertex(), StdMeshers_ProjectionSource1D::GetTargetVertex(), StdMeshers_ProjectionSource2D::GetTargetVertex(), StdMeshers_ProjectionSource3D::HasVertexAssociation(), StdMeshers_ProjectionSource1D::HasVertexAssociation(), StdMeshers_ProjectionSource2D::HasVertexAssociation(), and InsertAssociation().

InsertAssociation()

bool StdMeshers_ProjectionUtils::InsertAssociation	(	const TopoDS_Shape &	theShape1,
		const TopoDS_Shape &	theShape2,
		TShapeShapeMap &	theAssociationMap
	)

Inserts association theShape1 <-> theShape2 to TShapeShapeMap.

Parameters

theShape1	- target shape
theShape2	- source shape
theAssociationMap	- association map
theBidirectional	- if false, inserts theShape1 -> theShape2 association

Return values

bool	- true if there was no association for these shapes before

References StdMeshers_ShapeShapeBiDirectionMap::Bind().

Referenced by FindSubShapeAssociation(), and InitVertexAssociation().

MakeComputed()

bool StdMeshers_ProjectionUtils::MakeComputed	(	SMESH_subMesh *	sm,
		const int	iterationNb = 0
	)

Check that submeshis is computed and try to compute it if is not.

Parameters

sm	- submesh to compute
iterationNb	- int used to stop infinite recursive call

Return values

bool	- true if computed

References SMESH_HypoFilter::And(), SMESH_Gen::Compute(), SMESH_subMesh::GetAlgo(), SMESH_subMesh::GetFather(), SMESHDS_Hypothesis::GetName(), SMESH_Gen::GetShapeDim(), StdMeshers_ProjectionSource3D::GetSource3DShape(), StdMeshers_ProjectionSource1D::GetSourceEdge(), StdMeshers_ProjectionSource2D::GetSourceFace(), StdMeshers_ProjectionSource3D::GetSourceMesh(), StdMeshers_ProjectionSource1D::GetSourceMesh(), StdMeshers_ProjectionSource2D::GetSourceMesh(), SMESH_Mesh::GetSubMesh(), SMESH_subMesh::GetSubShape(), SMESH_Algo::GetUsedHypothesis(), SMESH_HypoFilter::HasDim(), SMESH_HypoFilter::IsAlgo(), SMESH_subMesh::IsMeshComputed(), and MakeComputed().

Referenced by MakeComputed().

OuterShape()

TopoDS_Shape StdMeshers_ProjectionUtils::OuterShape	(	const TopoDS_Face &	face,
		TopAbs_ShapeEnum	type
	)

Return any sub-shape of a face belonging to the outer wire.

Parameters

face	- the face
type	- type of sub-shape to return

Return values

TopoDS_Shape

- the found sub-shape

Referenced by FindMatchingNodesOnFaces(), and FindSubShapeAssociation().

SetEventListener()

void StdMeshers_ProjectionUtils::SetEventListener	(	SMESH_subMesh *	subMesh,
		TopoDS_Shape	srcShape,
		SMESH_Mesh *	srcMesh
	)

Set event listeners to submesh with projection algo.

Parameters

subMesh	- submesh with projection algo
srcShape	- source shape
srcMesh	- source mesh

References DraftVecUtils::find(), SMESH_subMesh::GetEventListenerData(), SMESH_subMesh::GetFather(), SMESH_Mesh::GetSubMesh(), SMESH_subMesh::GetSubMeshDS(), SMESH_subMesh::GetSubShape(), SMESHDS_SubMesh::IsComplexSubmesh(), SMESH_subMeshEventListenerData::MakeData(), SMESH_subMeshEventListenerData::mySubMeshes, and SMESH_subMesh::SetEventListener().

SourceNotComputedError()

std::string StdMeshers_ProjectionUtils::SourceNotComputedError	(	SMESH_subMesh *	sm = 0,
		SMESH_Algo *	projAlgo = 0
	)

Returns an error message to show in case if MakeComputed( sm ) fails.

References SMESH_subMesh::GetAlgoState(), SMESH_subMesh::GetFather(), SMESH_Algo::GetFeatures(), SMESH_Mesh::GetHypothesis(), SMESH_Gen::GetShapeDim(), SMESH_subMesh::GetSubShape(), SMESH_HypoFilter::IsAlgo(), SMESH_Algo::NeedDiscreteBoundary(), and SMESH_subMesh::NO_ALGO.