VISCOUS_2D::_ViscousBuilder2D Class Reference

Builder of viscous layers. More...

Public Member Functions
	_ViscousBuilder2D (SMESH_Mesh &theMesh, const TopoDS_Face &theFace, vector< const THypVL * > &theHyp, vector< TopoDS_Shape > &theHypShapes)
	Constructor of _ViscousBuilder2D. More...
SMESH_ComputeErrorPtr	GetError () const
SMESH_ProxyMesh::Ptr	Compute ()
	Does its job. More...

Private Member Functions
bool	findEdgesWithLayers ()
	Finds EDGE's to make viscous layers on. More...
bool	makePolyLines ()
	Create the inner front of the viscous layers and prepare data for inflation. More...
bool	inflate ()
	Increase length of _LayerEdge's to reach the required thickness of layers. More...
bool	fixCollisions ()
	Remove intersection of _PolyLine's. More...
bool	refine ()
	Make faces. More...
bool	shrink ()
	Create new edges and shrink edges existing on a non-advancable _PolyLine adjacent to an advancable one. More...
bool	improve ()
	Improve quality of the created mesh elements. More...
bool	toShrinkForAdjacent (const TopoDS_Face &adjFace, const TopoDS_Edge &E, const TopoDS_Vertex &V)
	Returns true if there will be a shrinked mesh on EDGE E of FACE adjFace near VERTEX V. More...
void	setLenRatio (_LayerEdge &LE, const gp_Pnt &pOut)
	Compute and set _LayerEdge::_len2dTo3dRatio. More...
void	setLayerEdgeData (_LayerEdge &lEdge, const double u, Handle(Geom2d_Curve)&pcurve, Handle(Geom_Curve)&curve, const gp_Pnt pOut, const bool reverse, GeomAPI_ProjectPointOnSurf *faceProj)
	initialize data of a _LayerEdge More...
void	adjustCommonEdge (_PolyLine &LL, _PolyLine &LR)
	adjust common _LayerEdge of two adjacent _PolyLine's More...
void	calcLayersHeight (const double totalThick, vector< double > &heights, const THypVL *hyp)
	Calculate height of layers for the given thickness. More...
bool	removeMeshFaces (const TopoDS_Shape &face)
	Remove elements and nodes from a face. More...
const THypVL *	getLineHypothesis (int iPL)
	Returns a hypothesis for a _PolyLine. More...
double	getLineThickness (int iPL)
	Returns a layers thickness for a _PolyLine. More...
bool	error (const string &text)
	Stores error description and returns false. More...
SMESHDS_Mesh *	getMeshDS ()
_ProxyMeshOfFace *	getProxyMesh ()
	Creates a _ProxyMeshOfFace and store it in a sub-mesh of FACE. More...
	Handle (Geom_Surface) _surface

Private Attributes
SMESH_Mesh *	_mesh
TopoDS_Face	_face
vector< const THypVL * >	_hyps
vector< TopoDS_Shape >	_hypShapes
SMESH_ProxyMesh::Ptr	_proxyMesh
SMESH_ComputeErrorPtr	_error
SMESH_MesherHelper	_helper
TSideVector	_faceSideVec
vector< _PolyLine >	_polyLineVec
vector< const THypVL * >	_hypOfEdge
bool	_is2DIsotropic
vector< TopoDS_Face >	_clearedFaces
double	_maxThickness
set< TGeomID >	_ignoreShapeIds
set< TGeomID >	_noShrinkVert
int	_nbLE

Friends
class	::StdMeshers_ViscousLayers2D

Detailed Description

Builder of viscous layers.

Constructor & Destructor Documentation

_ViscousBuilder2D::_ViscousBuilder2D	(	SMESH_Mesh &	theMesh,
		const TopoDS_Face &	theFace,
		vector< const THypVL * > &	theHyp,
		vector< TopoDS_Shape > &	theHypShapes
	)

Constructor of _ViscousBuilder2D.

References _error, _face, _helper, _hyps, _hypShapes, _nbLE, COMPERR_OK, SMESH_ComputeError::New(), SMESH_MesherHelper::SetElementsOnShape(), and SMESH_MesherHelper::SetSubShape().

Member Function Documentation

void _ViscousBuilder2D::adjustCommonEdge ( _PolyLine &  LL, _PolyLine &  LR  )

private

adjust common _LayerEdge of two adjacent _PolyLine's

Parameters

LL	- left _PolyLine
LR	- right _PolyLine

References VISCOUS_2D::_PolyLine::_advancable, VISCOUS_2D::_LayerEdge::_isBlocked, VISCOUS_2D::_PolyLine::_lastPntInd, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_LayerEdge::_len2dTo3dRatio, VISCOUS_2D::_LayerEdge::_length2D, _maxThickness, VISCOUS_2D::_LayerEdge::_normal2D, VISCOUS_2D::_SegmentIntersection::_param1, VISCOUS_2D::_SegmentIntersection::_param2, _polyLineVec, VISCOUS_2D::_LayerEdge::_ray, VISCOUS_2D::_PolyLine::_segTree, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_PolyLine::_wire, Abs(), VISCOUS_2D::_SegmentIntersection::Compute(), StdMeshers_FaceSide::GetUVPtStruct(), Max(), Min(), and setLenRatio().

Referenced by makePolyLines().

void _ViscousBuilder2D::calcLayersHeight ( const double  totalThick, vector< double > &  heights, const THypVL *  hyp  )

private

Calculate height of layers for the given thickness.

Height is measured from the outer boundary

References StdMeshers_ViscousLayers::GetNumberLayers(), and StdMeshers_ViscousLayers::GetStretchFactor().

Referenced by refine(), and shrink().

SMESH_ProxyMesh::Ptr _ViscousBuilder2D::Compute

(

)

Does its job.

References _error, _face, _faceSideVec, _helper, _mesh, _proxyMesh, findEdgesWithLayers(), StdMeshers_FaceSide::GetFaceWires(), inflate(), makePolyLines(), refine(), removeMeshFaces(), and shrink().

Referenced by StdMeshers_ViscousLayers2D::Compute().

bool _ViscousBuilder2D::error ( const string &  text )

private

Stores error description and returns false.

References _error, _face, _mesh, and COMPERR_ALGO_FAILED.

Referenced by findEdgesWithLayers(), and makePolyLines().

bool _ViscousBuilder2D::findEdgesWithLayers ( )

private

Finds EDGE's to make viscous layers on.

References _face, _faceSideVec, _helper, _hypOfEdge, _hyps, _hypShapes, _ignoreShapeIds, _mesh, _noShrinkVert, error(), SMESH_MesherHelper::GetAncestors(), VISCOUS_2D::getEdgesToIgnore(), getMeshDS(), StdMeshers_ViscousLayers::GetNumberLayers(), SMESH_MesherHelper::IsSubShape(), and SMESHDS_Mesh::ShapeToIndex().

Referenced by StdMeshers_ViscousLayers2D::CheckHypothesis(), Compute(), and toShrinkForAdjacent().

bool _ViscousBuilder2D::fixCollisions ( )

private

Remove intersection of _PolyLine's.

References VISCOUS_2D::_PolyLine::_advancable, VISCOUS_2D::_LayerEdge::_isBlocked, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_PolyLine::_leftLine, VISCOUS_2D::_LayerEdge::_len2dTo3dRatio, VISCOUS_2D::_LayerEdge::_length2D, VISCOUS_2D::_SegmentIntersection::_param1, VISCOUS_2D::_SegmentIntersection::_param2, _polyLineVec, VISCOUS_2D::_LayerEdge::_ray, VISCOUS_2D::_PolyLine::_reachableLines, VISCOUS_2D::_PolyLine::_segTree, VISCOUS_2D::_LayerEdge::_uvIn, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_SegmentIntersection::Compute(), VISCOUS_2D::_PolyLine::FirstLEdge(), VISCOUS_2D::_PolyLine::IsAdjacent(), and VISCOUS_2D::_LayerEdge::SetNewLength().

Referenced by inflate().

SMESH_ComputeErrorPtr VISCOUS_2D::_ViscousBuilder2D::GetError

(

)

const

Referenced by StdMeshers_ViscousLayers2D::CheckHypothesis(), and StdMeshers_ViscousLayers2D::Compute().

const StdMeshers_ViscousLayers2D * _ViscousBuilder2D::getLineHypothesis ( int  iPL )

private

Returns a hypothesis for a _PolyLine.

References _hypOfEdge, and _hyps.

Referenced by getLineThickness(), refine(), and shrink().

double _ViscousBuilder2D::getLineThickness ( int  iPL )

private

Returns a layers thickness for a _PolyLine.

References _maxThickness, getLineHypothesis(), and Min().

Referenced by inflate(), and makePolyLines().

SMESHDS_Mesh* VISCOUS_2D::_ViscousBuilder2D::getMeshDS ( )

private

Referenced by findEdgesWithLayers(), refine(), removeMeshFaces(), shrink(), and toShrinkForAdjacent().

_ProxyMeshOfFace * _ViscousBuilder2D::getProxyMesh ( )

private

Creates a _ProxyMeshOfFace and store it in a sub-mesh of FACE.

References _face, _mesh, and _proxyMesh.

Referenced by refine(), and shrink().

VISCOUS_2D::_ViscousBuilder2D::Handle ( Geom_Surface  )

private

Referenced by makePolyLines(), and shrink().

bool _ViscousBuilder2D::improve ( )

private

Improve quality of the created mesh elements.

References VISCOUS_2D::_PolyLine::_edgeInd, _faceSideVec, VISCOUS_2D::_PolyLine::_isStraight2D, _mesh, VISCOUS_2D::_PolyLine::_newFaces, _polyLineVec, _proxyMesh, VISCOUS_2D::_PolyLine::_rightNodes, VISCOUS_2D::_PolyLine::_wire, SMESH_MeshEditor::CENTROIDAL, and StdMeshers_FaceSide::Edge().

bool _ViscousBuilder2D::inflate ( )

private

Increase length of _LayerEdge's to reach the required thickness of layers.

L._leftLine->_advancable &&

References VISCOUS_2D::_PolyLine::_advancable, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_PolyLine::_leftLine, VISCOUS_2D::_LayerEdge::_length2D, _maxThickness, VISCOUS_2D::_LayerEdge::_normal2D, VISCOUS_2D::_SegmentIntersection::_param1, VISCOUS_2D::_SegmentIntersection::_param2, _polyLineVec, VISCOUS_2D::_PolyLine::_reachableLines, VISCOUS_2D::_PolyLine::_rightLine, VISCOUS_2D::_PolyLine::_segments, VISCOUS_2D::_PolyLine::_segTree, VISCOUS_2D::_LayerEdge::_uvIn, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_SegmentIntersection::Compute(), VISCOUS_2D::_PolyLine::FirstLEdge(), fixCollisions(), getLineThickness(), VISCOUS_2D::_PolyLine::IsAdjacent(), VISCOUS_2D::_PolyLine::IsCommonEdgeShared(), Max(), and Min().

Referenced by Compute().

bool _ViscousBuilder2D::makePolyLines ( )

private

Create the inner front of the viscous layers and prepare data for inflation.

References VISCOUS_2D::_PolyLine::_advancable, VISCOUS_2D::_PolyLine::_edgeInd, _face, _faceSideVec, VISCOUS_2D::_PolyLine::_firstPntInd, _helper, _hyps, _ignoreShapeIds, VISCOUS_2D::_PolyLine::_index, VISCOUS_2D::_Segment::_indexInLine, _is2DIsotropic, VISCOUS_2D::_PolyLine::_isStraight2D, VISCOUS_2D::_PolyLine::_lastPntInd, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_PolyLine::_leftLine, VISCOUS_2D::_LayerEdge::_len2dTo3dRatio, _maxThickness, VISCOUS_2D::_LayerEdge::_normal2D, VISCOUS_2D::_SegmentIntersection::_param2, _polyLineVec, VISCOUS_2D::_PolyLine::_reachableLines, VISCOUS_2D::_PolyLine::_rightLine, VISCOUS_2D::_PolyLine::_segments, VISCOUS_2D::_PolyLine::_segTree, VISCOUS_2D::_Segment::_uv, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_PolyLine::_wire, Abs(), adjustCommonEdge(), VISCOUS_2D::_SegmentIntersection::Compute(), StdMeshers_FaceSide::Edge(), error(), getLineThickness(), SMESH_MesherHelper::GetProjector(), Handle(), SMESH_MeshAlgos::IsOut(), Max(), Min(), uvPtStruct::node, reverse(), setLayerEdgeData(), setLenRatio(), uvPtStruct::u, and uvPtStruct::v.

Referenced by Compute().

bool _ViscousBuilder2D::refine ( )

private

Make faces.

L._leftLine->_advancable &&

References VISCOUS_2D::_PolyLine::_advancable, _clearedFaces, VISCOUS_2D::_PolyLine::_edgeInd, _face, VISCOUS_2D::_PolyLine::_firstPntInd, _helper, _is2DIsotropic, VISCOUS_2D::_PolyLine::_lastPntInd, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_PolyLine::_leftLine, VISCOUS_2D::_PolyLine::_leftNodes, VISCOUS_2D::_LayerEdge::_length2D, _mesh, VISCOUS_2D::_PolyLine::_newFaces, VISCOUS_2D::_LayerEdge::_normal2D, _noShrinkVert, _polyLineVec, VISCOUS_2D::_PolyLine::_rightLine, VISCOUS_2D::_PolyLine::_rightNodes, VISCOUS_2D::_PolyLine::_segments, VISCOUS_2D::_LayerEdge::_uvIn, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_PolyLine::_wire, Abs(), SMESH_MesherHelper::AddFace(), SMESH_MesherHelper::AddNode(), calcLayersHeight(), SMESH_subMesh::COMPUTE, StdMeshers_FaceSide::EdgeID(), StdMeshers_FaceSide::FirstParameter(), StdMeshers_FaceSide::FirstU(), StdMeshers_FaceSide::FirstVertex(), VISCOUS_2D::_ProxyMeshOfFace::GetEdgeSubMesh(), getLineHypothesis(), getMeshDS(), SMESH_MesherHelper::GetNodeUV(), StdMeshers_ViscousLayers::GetNumberLayers(), SMESH_MesherHelper::GetPeriodicIndex(), getProxyMesh(), SMESH_MesherHelper::GetSubShapeOri(), StdMeshers_FaceSide::GetUVPtStruct(), if(), VISCOUS_2D::_PolyLine::IsCommonEdgeShared(), StdMeshers_FaceSide::LastParameter(), StdMeshers_FaceSide::LastU(), StdMeshers_FaceSide::LastVertex(), uvPtStruct::node, VISCOUS_2D::_Segment::p1(), VISCOUS_2D::_Segment::p2(), SMESH_subMesh::READY_TO_COMPUTE, VISCOUS_2D::_ProxyMeshOfFace::_EdgeSubMesh::SetUVPtStructVec(), and SMESHDS_Mesh::ShapeToIndex().

Referenced by Compute().

bool _ViscousBuilder2D::removeMeshFaces ( const TopoDS_Shape &  face )

private

Remove elements and nodes from a face.

References _mesh, SMESH_subMesh::CHECK_COMPUTE_STATE, getMeshDS(), SMESHDS_Mesh::RemoveFreeElement(), and SMESHDS_Mesh::RemoveFreeNode().

Referenced by Compute(), and shrink().

void _ViscousBuilder2D::setLayerEdgeData ( _LayerEdge &  lEdge, const double  u, Handle(Geom2d_Curve)&  pcurve, Handle(Geom_Curve)&  curve, const gp_Pnt  pOut, const bool  reverse, GeomAPI_ProjectPointOnSurf *  faceProj  )

private

initialize data of a _LayerEdge

References _hyps, VISCOUS_2D::_LayerEdge::_isBlocked, VISCOUS_2D::_LayerEdge::_length2D, _nbLE, VISCOUS_2D::_LayerEdge::_normal2D, VISCOUS_2D::_LayerEdge::_ray, VISCOUS_2D::_LayerEdge::_uvIn, and VISCOUS_2D::_LayerEdge::_uvOut.

Referenced by makePolyLines().

void _ViscousBuilder2D::setLenRatio ( _LayerEdge &  LE, const gp_Pnt &  pOut  )

private

Compute and set _LayerEdge::_len2dTo3dRatio.

References VISCOUS_2D::_LayerEdge::_len2dTo3dRatio, VISCOUS_2D::_LayerEdge::_normal2D, and VISCOUS_2D::_LayerEdge::_uvOut.

Referenced by adjustCommonEdge(), and makePolyLines().

bool _ViscousBuilder2D::shrink ( )

private

Create new edges and shrink edges existing on a non-advancable _PolyLine adjacent to an advancable one.

References VISCOUS_2D::_PolyLine::_advancable, VISCOUS_2D::_PolyLine::_edgeInd, _face, VISCOUS_2D::_PolyLine::_firstPntInd, _helper, VISCOUS_2D::_PolyLine::_index, VISCOUS_2D::_PolyLine::_lastPntInd, VISCOUS_2D::_PolyLine::_lEdges, VISCOUS_2D::_PolyLine::_leftLine, VISCOUS_2D::_PolyLine::_leftNodes, VISCOUS_2D::_LayerEdge::_len2dTo3dRatio, VISCOUS_2D::_LayerEdge::_length2D, _maxThickness, _mesh, VISCOUS_2D::_LayerEdge::_normal2D, _noShrinkVert, _polyLineVec, VISCOUS_2D::_PolyLine::_rightLine, VISCOUS_2D::_PolyLine::_rightNodes, VISCOUS_2D::_PolyLine::_segments, VISCOUS_2D::_LayerEdge::_uvIn, VISCOUS_2D::_LayerEdge::_uvOut, VISCOUS_2D::_LayerEdge::_uvRefined, VISCOUS_2D::_PolyLine::_wire, Abs(), SMESH_MesherHelper::AddEdge(), SMESH_MesherHelper::AddNode(), calcLayersHeight(), SMESHDS_Mesh::ChangeElementNodes(), StdMeshers_FaceSide::Edge(), StdMeshers_FaceSide::EdgeID(), StdMeshers_FaceSide::EdgeLength(), Face, VISCOUS_2D::_ProxyMeshHolder::FindProxyMeshOfFace(), StdMeshers_FaceSide::FirstU(), StdMeshers_FaceSide::FirstVertex(), SMESH_MesherHelper::GetAncestors(), VISCOUS_2D::_ProxyMeshOfFace::GetEdgeSubMesh(), SMDS_MeshElement::GetID(), SMDS_MeshNode::GetInverseElementIterator(), getLineHypothesis(), getMeshDS(), SMDS_MeshElement::GetNode(), StdMeshers_ViscousLayers::GetNumberLayers(), SMDS_MeshNode::GetPosition(), getProxyMesh(), SMDS_MeshElement::getshapeId(), SMDS_Position::GetTypeOfPosition(), StdMeshers_FaceSide::GetUVPtStruct(), Handle(), VISCOUS_2D::_PolyLine::IsCommonEdgeShared(), SMESH_MesherHelper::IsRealSeam(), StdMeshers_FaceSide::LastU(), StdMeshers_FaceSide::LastVertex(), Max(), Min(), SMESHDS_Mesh::MoveNode(), SMDS_MeshElement::NbNodes(), uvPtStruct::node, uvPtStruct::normParam, uvPtStruct::param, removeMeshFaces(), SMESH_MesherHelper::SetElementsOnShape(), SMESH_MesherHelper::SetSubShape(), SMDS_EdgePosition::SetUParameter(), VISCOUS_2D::_ProxyMeshOfFace::_EdgeSubMesh::SetUVPtStructVec(), SMESHDS_Mesh::ShapeToIndex(), SMDS_TOP_EDGE, SMDS_TOP_VERTEX, SMDSAbs_Edge, VISCOUS_3D::ToClearSubWithMain(), toShrinkForAdjacent(), uvPtStruct::u, uvPtStruct::v, and SMDS_MeshNode::X().

Referenced by Compute().

bool _ViscousBuilder2D::toShrinkForAdjacent ( const TopoDS_Face &  adjFace, const TopoDS_Edge &  E, const TopoDS_Vertex &  V  )

private

Returns true if there will be a shrinked mesh on EDGE E of FACE adjFace near VERTEX V.

References _error, _faceSideVec, _helper, _ignoreShapeIds, _mesh, _noShrinkVert, findEdgesWithLayers(), VISCOUS_2D::findHyps(), SMESH_MesherHelper::GetAncestors(), StdMeshers_FaceSide::GetFaceWires(), getMeshDS(), and SMESH_MesherHelper::IsSubShape().

Referenced by shrink().

Friends And Related Function Documentation

friend class ::StdMeshers_ViscousLayers2D

friend

Field Documentation

vector<TopoDS_Face> VISCOUS_2D::_ViscousBuilder2D::_clearedFaces

private

Referenced by refine().

SMESH_ComputeErrorPtr VISCOUS_2D::_ViscousBuilder2D::_error

private

Referenced by _ViscousBuilder2D(), Compute(), error(), and toShrinkForAdjacent().

TopoDS_Face VISCOUS_2D::_ViscousBuilder2D::_face

private

Referenced by _ViscousBuilder2D(), Compute(), error(), findEdgesWithLayers(), getProxyMesh(), makePolyLines(), refine(), and shrink().

TSideVector VISCOUS_2D::_ViscousBuilder2D::_faceSideVec

private

Referenced by StdMeshers_ViscousLayers2D::CheckHypothesis(), Compute(), findEdgesWithLayers(), improve(), makePolyLines(), and toShrinkForAdjacent().

SMESH_MesherHelper VISCOUS_2D::_ViscousBuilder2D::_helper

private

Referenced by _ViscousBuilder2D(), Compute(), findEdgesWithLayers(), makePolyLines(), refine(), shrink(), and toShrinkForAdjacent().

vector< const THypVL* > VISCOUS_2D::_ViscousBuilder2D::_hypOfEdge

private

Referenced by findEdgesWithLayers(), and getLineHypothesis().

vector< const THypVL* > VISCOUS_2D::_ViscousBuilder2D::_hyps

private

Referenced by _ViscousBuilder2D(), findEdgesWithLayers(), getLineHypothesis(), makePolyLines(), and setLayerEdgeData().

vector< TopoDS_Shape > VISCOUS_2D::_ViscousBuilder2D::_hypShapes

private

Referenced by _ViscousBuilder2D(), and findEdgesWithLayers().

set<TGeomID> VISCOUS_2D::_ViscousBuilder2D::_ignoreShapeIds

private

Referenced by findEdgesWithLayers(), makePolyLines(), and toShrinkForAdjacent().

bool VISCOUS_2D::_ViscousBuilder2D::_is2DIsotropic

private

Referenced by makePolyLines(), and refine().

double VISCOUS_2D::_ViscousBuilder2D::_maxThickness

private

Referenced by adjustCommonEdge(), getLineThickness(), inflate(), makePolyLines(), and shrink().

SMESH_Mesh* VISCOUS_2D::_ViscousBuilder2D::_mesh

private

Referenced by Compute(), error(), findEdgesWithLayers(), getProxyMesh(), improve(), refine(), removeMeshFaces(), shrink(), and toShrinkForAdjacent().

int VISCOUS_2D::_ViscousBuilder2D::_nbLE

private

Referenced by _ViscousBuilder2D(), and setLayerEdgeData().

set<TGeomID> VISCOUS_2D::_ViscousBuilder2D::_noShrinkVert

private

Referenced by findEdgesWithLayers(), refine(), shrink(), and toShrinkForAdjacent().

vector<_PolyLine> VISCOUS_2D::_ViscousBuilder2D::_polyLineVec

private

Referenced by adjustCommonEdge(), fixCollisions(), improve(), inflate(), makePolyLines(), refine(), and shrink().

SMESH_ProxyMesh::Ptr VISCOUS_2D::_ViscousBuilder2D::_proxyMesh

private

Referenced by Compute(), getProxyMesh(), and improve().