+++ /dev/null
-// Created on: 1993-06-17
-// Created by: Jean Yves LEBEY
-// Copyright (c) 1993-1999 Matra Datavision
-// Copyright (c) 1999-2012 OPEN CASCADE SAS
-//
-// The content of this file is subject to the Open CASCADE Technology Public
-// License Version 6.5 (the "License"). You may not use the content of this file
-// except in compliance with the License. Please obtain a copy of the License
-// at http://www.opencascade.org and read it completely before using this file.
-//
-// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
-//
-// The Original Code and all software distributed under the License is
-// distributed on an "AS IS" basis, without warranty of any kind, and the
-// Initial Developer hereby disclaims all such warranties, including without
-// limitation, any warranties of merchantability, fitness for a particular
-// purpose or non-infringement. Please see the License for the specific terms
-// and conditions governing the rights and limitations under the License.
-
-// modified by NIZNHY-PKV
-
-#include <BOP_WireEdgeSet.ixx>
-
-#include <Standard_ProgramError.hxx>
-
-#include <Precision.hxx>
-
-#include <gp_Vec.hxx>
-#include <gp_Vec2d.hxx>
-#include <gp_Pnt2d.hxx>
-#include <gp_Dir2d.hxx>
-
-#include <Geom2d_Curve.hxx>
-#include <Geom2d_Line.hxx>
-#include <Geom_Curve.hxx>
-#include <Geom_Surface.hxx>
-#include <GeomAbs_SurfaceType.hxx>
-#include <GeomAbs_CurveType.hxx>
-#include <GeomAPI_ProjectPointOnSurf.hxx>
-
-#include <BRep_Tool.hxx>
-#include <BRepAdaptor_Surface.hxx>
-#include <BRepAdaptor_Curve.hxx>
-
-#include <TopoDS.hxx>
-#include <TopAbs.hxx>
-#include <TopExp_Explorer.hxx>
-
-#include <BOPTools_Tools2D.hxx>
-
-// modified by NIZHNY-MKK Fri May 30 10:18:01 2003.BEGIN
-#include <TopTools_IndexedMapOfShape.hxx>
-#include <TopExp.hxx>
-#include <BOPTools_Tools3D.hxx>
-
-static void GetOrientationVOnE(const TopoDS_Shape& V,
- const TopoDS_Shape& E1,
- const TopoDS_Shape& E2,
- TopAbs_Orientation& o1,
- TopAbs_Orientation& o2);
-// modified by NIZHNY-MKK Fri May 30 10:18:03 2003.END
-
-//=======================================================================
-//function : BOP_WireEdgeSet::BOP_WireEdgeSet
-//purpose :
-//=======================================================================
- BOP_WireEdgeSet::BOP_WireEdgeSet()
-:
- BOP_ShapeSet(TopAbs_VERTEX)
-{
-}
-//=======================================================================
-//function : BOP_WireEdgeSet::BOP_WireEdgeSet
-//purpose :
-//=======================================================================
- BOP_WireEdgeSet::BOP_WireEdgeSet(const TopoDS_Face& F)
-:
- BOP_ShapeSet(TopAbs_VERTEX),
- myFace(F)
-{
-}
-
-//=======================================================================
-//function : Initialize
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::Initialize(const TopoDS_Face& F)
-{
- myFace=F;
-}
-
-//=======================================================================
-//function : AddShape
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::AddShape(const TopoDS_Shape& S)
-{
- ProcessAddShape(S);
-}
-
-//=======================================================================
-//function : AddStartElement
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::AddStartElement(const TopoDS_Shape& S)
-{
- ProcessAddStartElement(S);
-}
-
-//=======================================================================
-//function : AddElement
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::AddElement(const TopoDS_Shape& S)
-{
- BOP_ShapeSet::AddElement(S);
-}
-
-//=======================================================================
-//function : InitNeighbours
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::InitNeighbours(const TopoDS_Shape& E)
-{
- mySubShapeExplorer.Init(E,mySubShapeType);
- myCurrentShape = E;
-
- FindNeighbours();
-}
-
-
-//=======================================================================
-//function : FindNeighbours
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::FindNeighbours()
-{
- while (mySubShapeExplorer.More()) {
-
- // l = list of edges neighbour of edge myCurrentShape trough
- // the vertex mySubShapeExplorer.Current(), which is a vertex of the
- // edge myCurrentShape.
- const TopoDS_Shape& V = mySubShapeExplorer.Current();
-
- const TopTools_ListOfShape & l =
- MakeNeighboursList(myCurrentShape, V);
-
- // myIncidentShapesIter iterates on the neighbour edges of the edge
- // given as InitNeighbours() argument (this edge has been stored
- // in the field myCurrentShape).
-
- myIncidentShapesIter.Initialize(l);
- if (myIncidentShapesIter.More()) {
- break;
- }
- else{
- mySubShapeExplorer.Next();
- }
- }
-}
-
-//=======================================================================
-//function : MakeNeighboursList
-//purpose : find edges connected to Earg by Varg
-//=======================================================================
- const TopTools_ListOfShape & BOP_WireEdgeSet::MakeNeighboursList(const TopoDS_Shape& Earg,
- const TopoDS_Shape& Varg)
-{
- const TopoDS_Edge& E = TopoDS::Edge(Earg);
- const TopoDS_Vertex& V = TopoDS::Vertex(Varg);
-
- const TopTools_ListOfShape& l = mySubShapeMap.FindFromKey(Varg);
-
- Standard_Integer nclosing = NbClosingShapes(l);
- if (nclosing) {
- // build myCurrentShapeNeighbours =
- // edge list made of connected shapes to Earg through Varg
- myCurrentShapeNeighbours.Clear();
-
- Standard_Integer iapp = 0;
- for (TopTools_ListIteratorOfListOfShape it(l); it.More(); it.Next()) {
- iapp++;
- const TopoDS_Shape& curn = it.Value(); // current neighbour
- Standard_Boolean k = VertexConnectsEdgesClosing(Varg, Earg, curn);
- if (k) {
- myCurrentShapeNeighbours.Append(curn);
- }
- }
-
- Standard_Integer newn = NbClosingShapes(myCurrentShapeNeighbours);
- if (newn >= 2 ) {
-
- const TopoDS_Face& F = myFace;
- // several sewing edges connected to E by V such as :
- // orientation of V in E # orientation of V in its edges.
- // one leaves among the connected sewing edges,
- // only edge A that checks tg(E) ^ tg(A) > 0
-
- TopAbs_Orientation Eori;
- gp_Vec2d d1E; gp_Pnt2d pE;
- Standard_Real fiE, laE, tolpc, parE;
-
- parE = BRep_Tool::Parameter(V,E);
-
- Handle(Geom2d_Curve) PCE;
- BOPTools_Tools2D::CurveOnSurface(E, F, PCE, fiE, laE, tolpc, Standard_False);
-
- if (!PCE.IsNull()){
- PCE->D1(parE, pE, d1E);
- }
- else {
- LocalD1 (F, E, V, pE, d1E);
- }
-
- Eori = E.Orientation();
- if (Eori == TopAbs_REVERSED) {
- d1E.Reverse();
- }
-
- TopTools_ListIteratorOfListOfShape lclo(myCurrentShapeNeighbours);
- Standard_Integer rang = 0;
- while (lclo.More()) {
- rang++;
-
- if ( ! IsClosed(lclo.Value()) ) {
- lclo.Next();
- continue;
- }
-
- const TopoDS_Edge& EE = TopoDS::Edge(lclo.Value());
- Standard_Real parEE, fiEE, laEE, tolpcc;
- gp_Vec2d d1EE; gp_Pnt2d pEE;
-
- parEE = BRep_Tool::Parameter(V,EE);
-
- Handle(Geom2d_Curve) PCEE;
- BOPTools_Tools2D::CurveOnSurface (EE, F, PCEE, fiEE, laEE, tolpcc, Standard_False);//
- //
- if (!PCEE.IsNull()) {
- PCEE->D1(parEE,pEE,d1EE);
-
- }
- else {
- LocalD1(F, EE, V, pEE, d1EE);
- }
-
- TopAbs_Orientation EEori = EE.Orientation();
- if (EEori == TopAbs_REVERSED) d1EE.Reverse();
-
- Standard_Real cross = d1E.Crossed(d1EE);
- TopAbs_Orientation oVE,oVEE;
-
- // modified by NIZHNY-MKK Fri May 30 10:17:10 2003.BEGIN
- GetOrientationVOnE(V,E,EE,oVE,oVEE);
-// VertexConnectsEdges(V,E,EE,oVE,oVEE);
- // modified by NIZHNY-MKK Fri May 30 10:17:13 2003.END
-
- Standard_Boolean t2 = ( (cross > 0) && oVE == TopAbs_REVERSED ) ||
- ( (cross < 0) && oVE == TopAbs_FORWARD );
-
- if ( t2 ) { //-- t1
- // this is proper IsClosed, only it is preserved among IsClosed
- lclo.Next();
- }
- else {
- // edge IsClosed is suspended
- myCurrentShapeNeighbours.Remove(lclo);
- }
- }// end of while (lclo.More())
- }// end of if (newn >= 2 )
- return myCurrentShapeNeighbours;
- }// end of if (nclosing)
-
- else {
- return l;
- }
-} // MakeNeighoursList
-
-//=======================================================================
-//function : VertexConnectsEdges
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::VertexConnectsEdges(const TopoDS_Shape& V,
- const TopoDS_Shape& E1,
- const TopoDS_Shape& E2,
- TopAbs_Orientation& o1,
- TopAbs_Orientation& o2) const
-{
- TopExp_Explorer ex1, ex2;
- ex1.Init(E1,TopAbs_VERTEX);
- for(; ex1.More(); ex1.Next()) {
-
- if (V.IsSame(ex1.Current())) {
- ex2.Init(E2,TopAbs_VERTEX);
- for(; ex2.More(); ex2.Next()) {
-
- if (V.IsSame(ex2.Current())) {
- o1 = ex1.Current().Orientation();
- o2 = ex2.Current().Orientation();
- if ( o1 != o2 ) {
- return Standard_True;
- }
- }
- }
- }
- }
- return Standard_False;
-}
-
-
-//=======================================================================
-//function : VertexConnectEdgesClosing
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::VertexConnectsEdgesClosing(const TopoDS_Shape& V,
- const TopoDS_Shape& E1,
- const TopoDS_Shape& E2) const
-{
-// Let S the set of incident edges on vertex V.
-// S contains at least one closed edge on the periodic face to build.
-// (the face implied in closing test of edge is myFace)
-// E1,E2 are S shapes (sharing V).
-//
-// if E1 and E2 are not closed : edges are NOT connected
-// if E1 or E2 is/are closed :
-// if V changes of relative orientation between E1,E2 : edges are connected
-// else : edges are NOT connected
-//
-// example with E1 NOT closed, E2 closed :
-//
-// E1 FORWARD, V REVERSED on E1
-// E2 FORWARD, V FORWARD on E2 --> edges are connected
-//
-// E1 FORWARD, V REVERSED on E1
-// E2 REVERSED, V FORWARD on E2 --> edges are NOT connected
-//-----------------------------------------------------------------------
-
- Standard_Boolean c1 = IsClosed(E1);
- Standard_Boolean c2 = IsClosed(E2);
-
- Standard_Boolean testconnect = c1 || c2;
- Standard_Boolean resu = Standard_False;
- TopAbs_Orientation o1,o2;
-
- // SSCONNEX = False ==> E2 is selected to create as many
- // (default) faces as there are components connected in UV.
- // SSCONNEX = True ==> the entire edge E2 sharing V with E1 is taken
- // so that orientation(V/E1) # orientation(V/E2)
- // ==> face of part and other sewings
- if ((c1 && c2)) {
- Standard_Boolean u1 = c1 ? IsUClosed(E1) : Standard_False;
- Standard_Boolean v1 = c1 ? IsVClosed(E1) : Standard_False;
- Standard_Boolean u2 = c2 ? IsUClosed(E2) : Standard_False;
- Standard_Boolean v2 = c2 ? IsVClosed(E2) : Standard_False;
- Standard_Boolean uvdiff = (u1 && v2) || (u2 && v1);
- testconnect = uvdiff;
- }
-
- if (testconnect) {
- resu = VertexConnectsEdges(V,E1,E2,o1,o2);
- }
- else {
- // cto 012 O2 sewing edge of cylindric face
- // chain of components split ON and OUT of the same orientation
- TopAbs_Orientation oe1 = E1.Orientation();
- TopAbs_Orientation oe2 = E2.Orientation();
- Standard_Boolean iseq = E1.IsEqual(E2);
- if ( (c1 && c2) && (oe1 == oe2) && (!iseq) ) {
- resu = VertexConnectsEdges(V,E1,E2,o1,o2);
- }
- }
- return resu;
-}
-
-//=======================================================================
-//function : NbClosingShapes
-//purpose :
-//=======================================================================
- Standard_Integer BOP_WireEdgeSet::NbClosingShapes(const TopTools_ListOfShape & L) const
-{
- Standard_Integer n = 0;
- TopTools_ListIteratorOfListOfShape it(L);
- for ( ; it.More(); it.Next()) {
- const TopoDS_Shape& S = it.Value();
- if ( IsClosed(S) ) {
- n++;
- }
- }
- return n;
-}
-
-//=======================================================================
-//function : LocalD1
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::LocalD1(const TopoDS_Face& F,
- const TopoDS_Edge& E,
- const TopoDS_Vertex& V,
- gp_Pnt2d& ,//pE,
- gp_Vec2d& d1E) const
-{
- TopLoc_Location Loc;
- Standard_Real parE, fiE, laE, u, v;
-
- parE = BRep_Tool::Parameter(V,E);
-
- Handle(Geom_Curve) CE = BRep_Tool::Curve(E, Loc, fiE, laE);
- CE = Handle(Geom_Curve)::DownCast(CE->Transformed(Loc.Transformation()));
-
- gp_Pnt p3dE; gp_Vec d3dE;
- CE->D1(parE, p3dE, d3dE);
-
- Handle(Geom_Surface) S = BRep_Tool::Surface(F);
- GeomAPI_ProjectPointOnSurf proj(p3dE,S);
-
- proj.LowerDistanceParameters(u,v);
- gp_Pnt bid;
- gp_Vec d1u,d1v;
- S->D1(u,v,bid,d1u,d1v);
- u = d3dE.Dot(d1u);
- v = d3dE.Dot(d1v);
- d1E.SetCoord(u,v);
-}
-
-//=======================================================================
-//function : IsClosed
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::IsClosed(const TopoDS_Shape& E) const
-{
- const TopoDS_Edge& EE = TopoDS::Edge(E);
- Standard_Boolean closed = BRep_Tool::IsClosed(EE,myFace);
-
- // modified by NIZHNY-MKK Wed May 12 15:44:10 2004.BEGIN
- if(closed) {
- TopoDS_Edge aE1, aE2;
- BOPTools_Tools3D::GetSeam (myFace, aE1, aE2);
-
- if(aE1.IsNull() || aE2.IsNull()) {
- closed = Standard_False;
- }
- }
- // modified by NIZHNY-MKK Wed May 12 15:44:14 2004.END
-
- return closed;
-}
-
-//=======================================================================
-//function : IsUVISO
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::IsUVISO(const TopoDS_Edge& E,
- const TopoDS_Face& F,
- Standard_Boolean& uiso,
- Standard_Boolean& viso)
-{
- uiso = viso = Standard_False;
- Standard_Real fE, lE,tolpc;
-
- Handle(Geom2d_Curve) PC;
- BOPTools_Tools2D::CurveOnSurface (E, F, PC, fE, lE, tolpc, Standard_False);//
-
- if (PC.IsNull()) {
- Standard_ProgramError::Raise("BOP_WireEdgeSet::IsUVISO");
- }
-
- Handle(Standard_Type) TheType = PC->DynamicType();
- if (TheType == STANDARD_TYPE(Geom2d_Line)) {
- const Handle(Geom2d_Line)& HL = *((Handle(Geom2d_Line)*)&PC);
- const gp_Dir2d& D = HL->Direction();
- Standard_Real tol = Precision::Angular();
- if (D.IsParallel(gp_Dir2d(0.,1.),tol)) {
- uiso = Standard_True;
- }
- else if (D.IsParallel(gp_Dir2d(1.,0.),tol)) {
- viso = Standard_True;
- }
- }
-}
-
-//=======================================================================
-//function : IsUClosed
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::IsUClosed(const TopoDS_Shape& E) const
-{
- const TopoDS_Edge& EE = TopoDS::Edge(E);
-
- Standard_Boolean bid, closed;
- IsUVISO(EE, myFace, closed, bid);
- return closed;
-}
-
-
-//=======================================================================
-//function : IsVClosed
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::IsVClosed(const TopoDS_Shape& E) const
-{
- const TopoDS_Edge& EE = TopoDS::Edge(E);
-
- Standard_Boolean bid, closed;
- IsUVISO (EE, myFace, bid, closed);
- return closed;
-}
-
-//=======================================================================
-//function : Face
-//purpose :
-//=======================================================================
- const TopoDS_Face& BOP_WireEdgeSet::Face() const
-{
- return myFace;
-}
-//=======================================================================
-//function : BOP_Tools::KeptTwice
-//purpose :
-//=======================================================================
- Standard_Boolean BOP_WireEdgeSet::KeptTwice (const TopoDS_Edge& aSpEF2) const
-
-
-{
- Standard_Integer iCnt=0;
-
- const TopTools_ListOfShape& aWESList=StartElements();
-
- TopTools_ListIteratorOfListOfShape anIt(aWESList);
- for (; anIt.More(); anIt.Next()) {
- const TopoDS_Shape& aSS=anIt.Value();
- if (aSpEF2.IsSame(aSS)) {
- iCnt++;
- if (iCnt > 1) {
- return Standard_True;
- }
- }
- }
- return Standard_False;
-}
-//=======================================================================
-//function : BOP_Tools::RemoveEdgeFromWES
-//purpose :
-//=======================================================================
- void BOP_WireEdgeSet::RemoveEdgeFromWES(const TopoDS_Edge& aSpEF2)
-
-{
- TopTools_ListOfShape aTmpList;
- aTmpList=StartElements();
-
- ClearContents();
-
- TopTools_ListIteratorOfListOfShape anIt(aTmpList);
- for (; anIt.More(); anIt.Next()) {
- const TopoDS_Shape& aSS=anIt.Value();
- if (!aSpEF2.IsEqual(aSS)) {
- AddStartElement(aSS);
- }
- }
-}
-
-
-// modified by NIZHNY-MKK Fri May 30 10:18:38 2003.BEGIN
-void GetOrientationVOnE(const TopoDS_Shape& V,
- const TopoDS_Shape& E1,
- const TopoDS_Shape& E2,
- TopAbs_Orientation& o1,
- TopAbs_Orientation& o2) {
- TopTools_IndexedMapOfShape aMap;
-
- TopExp::MapShapes(E1, TopAbs_VERTEX, aMap);
- TopExp::MapShapes(E2, TopAbs_VERTEX, aMap);
-
- if(aMap.Extent() > 1) {
- TopExp_Explorer ex1, ex2;
- ex1.Init(E1,TopAbs_VERTEX);
-
- for(; ex1.More(); ex1.Next()) {
-
- if (V.IsSame(ex1.Current())) {
- ex2.Init(E2,TopAbs_VERTEX);
-
- for(; ex2.More(); ex2.Next()) {
-
- if (V.IsSame(ex2.Current())) {
- o1 = ex1.Current().Orientation();
- o2 = ex2.Current().Orientation();
-
- if ( o1 != o2 ) {
- return;
- }
- }
- }
- }
- }
- }
- else {
- TopoDS_Shape VV = V;
-
- if(E1.Orientation() == TopAbs_REVERSED)
- VV.Reverse();
- o1 = VV.Orientation();
- VV.Reverse();
- o2 = VV.Orientation();
- }
- return;
-}
-// modified by NIZHNY-MKK Fri May 30 10:18:40 2003.END
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