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0682b01634
1. The result of Boolean operation on the arguments of collection type, containers WIRE/SHELL/COMPSOLID, is also a collection. The containers of type WIRE included into result should now also (as the SHELLs) have coherent orientation of its sub-shapes. For that the new method has been implemented (BOPTools_AlgoTools::OrientEdgesOnWire(TopoDS_Shape&)) which reorients edges for correct ordering. The duplicating containers, i.e. containers with the contents completely included in other containers, are now avoided in the result of BOP. 2. The result of Fuse operation on Compsolids is now also will be Compsolid. 3. Documentation has been updated. 4. New test cases for the issue. 5. Adjusting test cases to current behavior. Correction of test case bugs/modalg_4/bug726_2 according to the new behavior
2181 lines
61 KiB
C++
2181 lines
61 KiB
C++
// Created by: Peter KURNEV
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// Copyright (c) 2010-2014 OPEN CASCADE SAS
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// Copyright (c) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
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// Copyright (c) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT,
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// EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <BOPCol_IndexedMapOfShape.hxx>
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#include <BOPCol_MapOfShape.hxx>
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#include <BOPCol_MapOfOrientedShape.hxx>
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#include <BOPTools.hxx>
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#include <BOPTools_AlgoTools.hxx>
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#include <BOPTools_AlgoTools2D.hxx>
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#include <BOPTools_AlgoTools3D.hxx>
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#include <BOPTools_CoupleOfShape.hxx>
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#include <BOPTools_ListOfCoupleOfShape.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepAdaptor_Curve2d.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <BRepLib.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom2dInt_Geom2dCurveTool.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomAPI_ProjectPointOnSurf.hxx>
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#include <gp_Cone.hxx>
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#include <gp_Cylinder.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Sphere.hxx>
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#include <gp_Torus.hxx>
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#include <gp_XYZ.hxx>
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#include <IntTools_Context.hxx>
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#include <IntTools_Curve.hxx>
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#include <IntTools_Range.hxx>
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#include <IntTools_ShrunkRange.hxx>
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#include <IntTools_Tools.hxx>
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#include <Precision.hxx>
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#include <TopAbs_Orientation.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopoDS_CompSolid.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Wire.hxx>
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#include <NCollection_Array1.hxx>
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#include <algorithm>
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//
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static
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Standard_Real AngleWithRef(const gp_Dir& theD1,
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const gp_Dir& theD2,
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const gp_Dir& theDRef);
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static
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Standard_Boolean FindFacePairs (const TopoDS_Edge& theE,
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const BOPCol_ListOfShape& thLF,
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BOPTools_ListOfCoupleOfShape& theLCFF,
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Handle(IntTools_Context)& theContext);
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static
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TopAbs_Orientation Orientation(const TopoDS_Edge& anE,
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const TopoDS_Face& aF);
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static
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Standard_Boolean GetFaceDir(const TopoDS_Edge& aE,
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const TopoDS_Face& aF,
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const gp_Pnt& aP,
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const Standard_Real aT,
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const gp_Dir& aDTgt,
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const Standard_Boolean theSmallFaces,
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gp_Dir& aDN,
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gp_Dir& aDB,
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Handle(IntTools_Context)& theContext,
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GeomAPI_ProjectPointOnSurf& aProjPL,
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const Standard_Real aDt);
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static
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Standard_Boolean FindPointInFace(const TopoDS_Face& aF,
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const gp_Pnt& aP,
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gp_Dir& aDB,
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gp_Pnt& aPOut,
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Handle(IntTools_Context)& theContext,
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GeomAPI_ProjectPointOnSurf& aProjPL,
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const Standard_Real aDt,
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const Standard_Real aTolE);
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static
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Standard_Real MinStep3D(const TopoDS_Edge& theE1,
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const TopoDS_Face& theF1,
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const BOPTools_ListOfCoupleOfShape& theLCS,
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const gp_Pnt& aP,
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Handle(IntTools_Context)& theContext,
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Standard_Boolean& theSmallFaces);
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//=======================================================================
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// function: MakeConnexityBlocks
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// purpose:
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//=======================================================================
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void BOPTools_AlgoTools::MakeConnexityBlocks
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(const TopoDS_Shape& theS,
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const TopAbs_ShapeEnum theType1,
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const TopAbs_ShapeEnum theType2,
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BOPCol_ListOfShape& theLCB)
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{
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Standard_Integer aNbF, aNbAdd, aNbAdd1, i;
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BRep_Builder aBB;
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TopoDS_Compound aC;
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TopoDS_Iterator aIt;
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TopExp_Explorer aExp;
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BOPCol_MapOfShape aMP;
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BOPCol_IndexedMapOfShape aMCB, aMAdd, aMAdd1;
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BOPCol_IndexedDataMapOfShapeListOfShape aMEF;
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BOPCol_ListIteratorOfListOfShape aItLF;
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//
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// 1. aMEF
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BOPTools::MapShapesAndAncestors(theS, theType1, theType2, aMEF);
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//
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// 2. aMCB
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aIt.Initialize(theS);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aF1=aIt.Value();
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if (aMP.Contains(aF1)) {
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continue;
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}
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//
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aMCB.Clear();
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aMAdd.Clear();
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aMAdd.Add(aF1);
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//
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for(;;) {
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aMAdd1.Clear();
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//
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aNbAdd = aMAdd.Extent();
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for (i=1; i<=aNbAdd; ++i) {
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const TopoDS_Shape& aF=aMAdd(i);
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//
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aExp.Init(aF, theType1);
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for (; aExp.More(); aExp.Next()) {
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const TopoDS_Shape& aE=aExp.Current();
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//
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const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE);
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aItLF.Initialize(aLF);
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for (; aItLF.More(); aItLF.Next()) {
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const TopoDS_Shape& aFx=aItLF.Value();
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if (aFx.IsSame(aF)) {
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continue;
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}
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if (aMCB.Contains(aFx)) {
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continue;
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}
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aMAdd1.Add(aFx);
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}
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}//for (; aExp.More(); aExp.Next()){
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aMCB.Add(aF);
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}// for (i=1; i<=aNbAdd; ++i) {
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//
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aNbAdd1=aMAdd1.Extent();
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if (!aNbAdd1) {
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break;// ->make new CB from aMCB
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}
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//
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aMAdd.Clear();
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for (i=1; i<=aNbAdd1; ++i) {
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const TopoDS_Shape& aFAdd = aMAdd1(i);
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aMAdd.Add(aFAdd);
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}
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}//while(1) {
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//
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aNbF=aMCB.Extent();
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if (aNbF) {
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aBB.MakeCompound(aC);
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//
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for (i=1; i<=aNbF; ++i) {
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const TopoDS_Shape& aF=aMCB(i);
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aBB.Add(aC, aF);
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aMP.Add(aF);
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}
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theLCB.Append(aC);
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}
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}// for (; aIt.More(); aIt.Next())
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}
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//=======================================================================
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// function: OrientEdgesOnWire
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// purpose: Reorient edges on wire for correct ordering
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//=======================================================================
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void BOPTools_AlgoTools::OrientEdgesOnWire(TopoDS_Shape& theWire)
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{
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// make vertex-edges connexity map
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BOPCol_IndexedDataMapOfShapeListOfShape aVEMap;
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BOPTools::MapShapesAndAncestors(theWire, TopAbs_VERTEX, TopAbs_EDGE, aVEMap);
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//
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if (aVEMap.IsEmpty()) {
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return;
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}
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//
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BRep_Builder aBB;
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// new wire
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TopoDS_Wire aWire;
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aBB.MakeWire(aWire);
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// fence map
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BOPCol_MapOfOrientedShape aMFence;
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//
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TopoDS_Iterator aIt(theWire);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Edge& aEC = TopoDS::Edge(aIt.Value());
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if (!aMFence.Add(aEC)) {
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continue;
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}
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//
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// add edge to a wire as it is
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aBB.Add(aWire, aEC);
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//
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TopoDS_Vertex aV1, aV2;
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TopExp::Vertices(aEC, aV1, aV2, Standard_True);
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//
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if (aV1.IsSame(aV2)) {
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// closed edge, go to the next edge
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continue;
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}
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//
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// orient the adjacent edges
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for (Standard_Integer i = 0; i < 2; ++i) {
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TopoDS_Shape aVC = !i ? aV1 : aV2;
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//
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for (;;) {
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const BOPCol_ListOfShape& aLE = aVEMap.FindFromKey(aVC);
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if (aLE.Extent() != 2) {
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// free vertex or multi-connexity, go to the next edge
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break;
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}
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//
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Standard_Boolean bStop = Standard_True;
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//
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BOPCol_ListIteratorOfListOfShape aItLE(aLE);
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for (; aItLE.More(); aItLE.Next()) {
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const TopoDS_Edge& aEN = TopoDS::Edge(aItLE.Value());
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if (aMFence.Contains(aEN)) {
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continue;
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}
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//
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TopoDS_Vertex aVN1, aVN2;
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TopExp::Vertices(aEN, aVN1, aVN2, Standard_True);
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if (aVN1.IsSame(aVN2)) {
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// closed edge, go to the next edge
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break;
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}
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//
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// change orientation if necessary and go to the next edges
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if ((!i && aVC.IsSame(aVN2)) || (i && aVC.IsSame(aVN1))) {
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aBB.Add(aWire, aEN);
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}
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else {
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aBB.Add(aWire, aEN.Reversed());
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}
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aMFence.Add(aEN);
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aVC = aVC.IsSame(aVN1) ? aVN2 : aVN1;
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bStop = Standard_False;
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break;
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}
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//
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if (bStop) {
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break;
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}
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}
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}
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}
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//
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theWire = aWire;
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}
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//=======================================================================
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// function: OrientFacesOnShell
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// purpose:
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//=======================================================================
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void BOPTools_AlgoTools::OrientFacesOnShell (TopoDS_Shape& aShell)
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{
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Standard_Boolean bIsProcessed1, bIsProcessed2;
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Standard_Integer i, aNbE, aNbF, j;
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TopAbs_Orientation anOrE1, anOrE2;
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TopoDS_Face aF1x, aF2x;
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TopoDS_Shape aShellNew;
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BOPCol_IndexedDataMapOfShapeListOfShape aEFMap;
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BOPCol_IndexedMapOfShape aProcessedFaces;
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BRep_Builder aBB;
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//
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BOPTools_AlgoTools::MakeContainer(TopAbs_SHELL, aShellNew);
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//
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BOPTools::MapShapesAndAncestors(aShell,
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TopAbs_EDGE, TopAbs_FACE,
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aEFMap);
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aNbE=aEFMap.Extent();
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//
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// One seam edge in aEFMap contains 2 equivalent faces.
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for (i=1; i<=aNbE; ++i) {
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BOPCol_ListOfShape& aLF=aEFMap.ChangeFromIndex(i);
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aNbF=aLF.Extent();
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if (aNbF>1) {
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BOPCol_ListOfShape aLFTmp;
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BOPCol_IndexedMapOfShape aFM;
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//
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BOPCol_ListIteratorOfListOfShape anIt(aLF);
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for (; anIt.More(); anIt.Next()) {
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const TopoDS_Shape& aF=anIt.Value();
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if (!aFM.Contains(aF)) {
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aFM.Add(aF);
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aLFTmp.Append(aF);
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}
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}
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aLF.Clear();
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aLF=aLFTmp;
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}
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}
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//
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// Do
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for (i=1; i<=aNbE; ++i) {
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const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i)));
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if (BRep_Tool::Degenerated(aE)) {
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continue;
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}
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//
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const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i);
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aNbF=aLF.Extent();
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if (aNbF!=2) {
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continue;
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}
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//
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TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First()));
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TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last()));
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//
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bIsProcessed1=aProcessedFaces.Contains(aF1);
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bIsProcessed2=aProcessedFaces.Contains(aF2);
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if (bIsProcessed1 && bIsProcessed2) {
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continue;
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}
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if (!bIsProcessed1 && !bIsProcessed2) {
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aProcessedFaces.Add(aF1);
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aBB.Add(aShellNew, aF1);
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bIsProcessed1=!bIsProcessed1;
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}
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//
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aF1x=aF1;
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if (bIsProcessed1) {
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j=aProcessedFaces.FindIndex(aF1);
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aF1x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j)));
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}
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//
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aF2x=aF2;
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if (bIsProcessed2) {
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j=aProcessedFaces.FindIndex(aF2);
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aF2x=(*(TopoDS_Face*)(&aProcessedFaces.FindKey(j)));
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}
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//
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anOrE1=Orientation(aE, aF1x);
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anOrE2=Orientation(aE, aF2x);
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//
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if (bIsProcessed1 && !bIsProcessed2) {
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if (anOrE1==anOrE2) {
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if (!BRep_Tool::IsClosed(aE, aF1) &&
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!BRep_Tool::IsClosed(aE, aF2)) {
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aF2.Reverse();
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}
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}
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aProcessedFaces.Add(aF2);
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aBB.Add(aShellNew, aF2);
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}
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else if (!bIsProcessed1 && bIsProcessed2) {
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if (anOrE1==anOrE2) {
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if (!BRep_Tool::IsClosed(aE, aF1) &&
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!BRep_Tool::IsClosed(aE, aF2)) {
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aF1.Reverse();
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}
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}
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aProcessedFaces.Add(aF1);
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aBB.Add(aShellNew, aF1);
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}
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}
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//
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//
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for (i=1; i<=aNbE; ++i) {
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const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aEFMap.FindKey(i)));
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if (BRep_Tool::Degenerated(aE)) {
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continue;
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}
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//
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const BOPCol_ListOfShape& aLF=aEFMap.FindFromIndex(i);
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aNbF=aLF.Extent();
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if (aNbF!=2) {
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BOPCol_ListIteratorOfListOfShape anIt(aLF);
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for(; anIt.More(); anIt.Next()) {
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const TopoDS_Face& aF=(*(TopoDS_Face*)(&anIt.Value()));
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if (!aProcessedFaces.Contains(aF)) {
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aProcessedFaces.Add(aF);
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aBB.Add(aShellNew, aF);
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}
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}
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}
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}
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aShell=aShellNew;
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}
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//=======================================================================
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//function : Orientation
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//purpose :
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//=======================================================================
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TopAbs_Orientation Orientation(const TopoDS_Edge& anE,
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const TopoDS_Face& aF)
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{
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TopAbs_Orientation anOr=TopAbs_INTERNAL;
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TopExp_Explorer anExp;
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anExp.Init(aF, TopAbs_EDGE);
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for (; anExp.More(); anExp.Next()) {
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const TopoDS_Edge& anEF1=(*(TopoDS_Edge*)(&anExp.Current()));
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if (anEF1.IsSame(anE)) {
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anOr=anEF1.Orientation();
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break;
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}
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}
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return anOr;
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}
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//=======================================================================
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// function: MakeConnexityBlock.
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// purpose:
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//=======================================================================
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void BOPTools_AlgoTools::MakeConnexityBlock
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(BOPCol_ListOfShape& theLFIn,
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BOPCol_IndexedMapOfShape& theMEAvoid,
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BOPCol_ListOfShape& theLCB,
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const Handle(NCollection_BaseAllocator)& theAllocator)
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{
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Standard_Integer aNbF, aNbAdd1, aNbAdd, i;
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TopExp_Explorer aExp;
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BOPCol_ListIteratorOfListOfShape aIt;
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//
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BOPCol_IndexedMapOfShape aMCB(100, theAllocator);
|
|
BOPCol_IndexedMapOfShape aMAdd(100, theAllocator);
|
|
BOPCol_IndexedMapOfShape aMAdd1(100, theAllocator);
|
|
BOPCol_IndexedDataMapOfShapeListOfShape aMEF(100, theAllocator);
|
|
//
|
|
// 1. aMEF
|
|
aNbF=theLFIn.Extent();
|
|
aIt.Initialize(theLFIn);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const TopoDS_Shape& aF=aIt.Value();
|
|
BOPTools::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF);
|
|
}
|
|
//
|
|
// 2. aMCB
|
|
const TopoDS_Shape& aF1=theLFIn.First();
|
|
aMAdd.Add(aF1);
|
|
//
|
|
for(;;) {
|
|
aMAdd1.Clear();
|
|
aNbAdd = aMAdd.Extent();
|
|
for (i=1; i<=aNbAdd; ++i) {
|
|
const TopoDS_Shape& aF=aMAdd(i);
|
|
//
|
|
//aMAdd1.Clear();
|
|
aExp.Init(aF, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Shape& aE=aExp.Current();
|
|
if (theMEAvoid.Contains(aE)){
|
|
continue;
|
|
}
|
|
//
|
|
const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE);
|
|
aIt.Initialize(aLF);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const TopoDS_Shape& aFx=aIt.Value();
|
|
if (aFx.IsSame(aF)) {
|
|
continue;
|
|
}
|
|
if (aMCB.Contains(aFx)) {
|
|
continue;
|
|
}
|
|
aMAdd1.Add(aFx);
|
|
}
|
|
}//for (; aExp.More(); aExp.Next()){
|
|
aMCB.Add(aF);
|
|
}// for (i=1; i<=aNbAdd; ++i) {
|
|
//
|
|
aNbAdd1=aMAdd1.Extent();
|
|
if (!aNbAdd1) {
|
|
break;
|
|
}
|
|
//
|
|
aMAdd.Clear();
|
|
for (i=1; i<=aNbAdd1; ++i) {
|
|
const TopoDS_Shape& aFAdd=aMAdd1(i);
|
|
aMAdd.Add(aFAdd);
|
|
}
|
|
//
|
|
}//while(1) {
|
|
|
|
//
|
|
aNbF=aMCB.Extent();
|
|
for (i=1; i<=aNbF; ++i) {
|
|
const TopoDS_Shape& aF=aMCB(i);
|
|
theLCB.Append(aF);
|
|
}
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeStateByOnePoint
|
|
// purpose:
|
|
//=======================================================================
|
|
TopAbs_State BOPTools_AlgoTools::ComputeStateByOnePoint
|
|
(const TopoDS_Shape& theS,
|
|
const TopoDS_Solid& theRef,
|
|
const Standard_Real theTol,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
TopAbs_State aState;
|
|
TopAbs_ShapeEnum aType;
|
|
//
|
|
aState=TopAbs_UNKNOWN;
|
|
aType=theS.ShapeType();
|
|
if (aType==TopAbs_VERTEX) {
|
|
const TopoDS_Vertex& aV=(*(TopoDS_Vertex*)(&theS));
|
|
aState=BOPTools_AlgoTools::ComputeState(aV, theRef, theTol, theContext);
|
|
}
|
|
else if (aType==TopAbs_EDGE) {
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&theS));
|
|
aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol, theContext);
|
|
}
|
|
return aState;
|
|
}
|
|
|
|
//=======================================================================
|
|
// function: ComputeState
|
|
// purpose:
|
|
//=======================================================================
|
|
TopAbs_State BOPTools_AlgoTools::ComputeState
|
|
(const TopoDS_Face& theF,
|
|
const TopoDS_Solid& theRef,
|
|
const Standard_Real theTol,
|
|
BOPCol_IndexedMapOfShape& theBounds,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
TopAbs_State aState;
|
|
TopExp_Explorer aExp;
|
|
TopoDS_Edge aE1;
|
|
gp_Pnt2d aP2D;
|
|
gp_Pnt aP3D;
|
|
//
|
|
aState=TopAbs_UNKNOWN;
|
|
//
|
|
aExp.Init(theF, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Edge& aSE=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (BRep_Tool::Degenerated(aSE)) {
|
|
continue;
|
|
}
|
|
//
|
|
if (!theBounds.Contains(aSE)) {
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aSE));
|
|
aState=BOPTools_AlgoTools::ComputeState(aE, theRef, theTol,
|
|
theContext);
|
|
return aState;
|
|
}
|
|
if (aE1.IsNull()) {
|
|
aE1=(*(TopoDS_Edge*)(&aSE));
|
|
}
|
|
}
|
|
// !!<- process edges that are all on theRef
|
|
if (!aE1.IsNull()) {
|
|
BOPTools_AlgoTools3D::PointNearEdge(aE1, theF,
|
|
aP2D, aP3D, theContext);
|
|
aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol,
|
|
theContext);
|
|
}
|
|
//
|
|
return aState;
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeState
|
|
// purpose:
|
|
//=======================================================================
|
|
TopAbs_State BOPTools_AlgoTools::ComputeState
|
|
(const TopoDS_Vertex& theV,
|
|
const TopoDS_Solid& theRef,
|
|
const Standard_Real theTol,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
TopAbs_State aState;
|
|
gp_Pnt aP3D;
|
|
//
|
|
aP3D=BRep_Tool::Pnt(theV);
|
|
aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol,
|
|
theContext);
|
|
return aState;
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeState
|
|
// purpose:
|
|
//=======================================================================
|
|
TopAbs_State BOPTools_AlgoTools::ComputeState
|
|
(const TopoDS_Edge& theE,
|
|
const TopoDS_Solid& theRef,
|
|
const Standard_Real theTol,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Real aT1, aT2, aT = 0.;
|
|
TopAbs_State aState;
|
|
Handle(Geom_Curve) aC3D;
|
|
gp_Pnt aP3D;
|
|
//
|
|
aC3D = BRep_Tool::Curve(theE, aT1, aT2);
|
|
//
|
|
if(aC3D.IsNull()) {
|
|
//it means that we are in degenerated edge
|
|
const TopoDS_Vertex& aV = TopExp::FirstVertex(theE);
|
|
if(aV.IsNull()){
|
|
return TopAbs_UNKNOWN;
|
|
}
|
|
aP3D=BRep_Tool::Pnt(aV);
|
|
}
|
|
else {//usual case
|
|
Standard_Boolean bF2Inf, bL2Inf;
|
|
Standard_Real dT=10.;
|
|
//
|
|
bF2Inf = Precision::IsNegativeInfinite(aT1);
|
|
bL2Inf = Precision::IsPositiveInfinite(aT2);
|
|
//
|
|
if (bF2Inf && !bL2Inf) {
|
|
aT=aT2-dT;
|
|
}
|
|
else if (!bF2Inf && bL2Inf) {
|
|
aT=aT1+dT;
|
|
}
|
|
else if (bF2Inf && bL2Inf) {
|
|
aT=0.;
|
|
}
|
|
else {
|
|
aT=IntTools_Tools::IntermediatePoint(aT1, aT2);
|
|
}
|
|
aC3D->D0(aT, aP3D);
|
|
}
|
|
//
|
|
aState=BOPTools_AlgoTools::ComputeState(aP3D, theRef, theTol,
|
|
theContext);
|
|
//
|
|
return aState;
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeState
|
|
// purpose:
|
|
//=======================================================================
|
|
TopAbs_State BOPTools_AlgoTools::ComputeState
|
|
(const gp_Pnt& theP,
|
|
const TopoDS_Solid& theRef,
|
|
const Standard_Real theTol,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
TopAbs_State aState;
|
|
//
|
|
BRepClass3d_SolidClassifier& aSC=theContext->SolidClassifier(theRef);
|
|
aSC.Perform(theP, theTol);
|
|
//
|
|
aState=aSC.State();
|
|
//
|
|
return aState;
|
|
}
|
|
//=======================================================================
|
|
//function : IsInternalFace
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsInternalFace
|
|
(const TopoDS_Face& theFace,
|
|
const TopoDS_Solid& theSolid,
|
|
BOPCol_IndexedDataMapOfShapeListOfShape& theMEF,
|
|
const Standard_Real theTol,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bDegenerated;
|
|
Standard_Integer aNbF, iRet, iFound;
|
|
TopAbs_Orientation aOr;
|
|
TopoDS_Edge aE1;
|
|
TopExp_Explorer aExp;
|
|
BOPCol_ListIteratorOfListOfShape aItF;
|
|
//
|
|
// For all invoked functions: [::IsInternalFace(...)]
|
|
// the returned value iRet means:
|
|
// iRet=0; - state is not IN
|
|
// iRet=1; - state is IN
|
|
// iRet=2; - state can not be found by the method of angles
|
|
//
|
|
// For this function the returned value iRet means:
|
|
// iRet=0; - state is not IN
|
|
// iRet=1; - state is IN
|
|
//
|
|
iRet=0;
|
|
// 1 Try to find an edge from theFace in theMEF
|
|
iFound=0;
|
|
aExp.Init(theFace, TopAbs_EDGE);
|
|
for(; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (!theMEF.Contains(aE)) {
|
|
continue;
|
|
}
|
|
//
|
|
++iFound;
|
|
//
|
|
aOr=aE.Orientation();
|
|
if (aOr==TopAbs_INTERNAL) {
|
|
continue;
|
|
}
|
|
bDegenerated=BRep_Tool::Degenerated(aE);
|
|
if (bDegenerated){
|
|
continue;
|
|
}
|
|
// aE
|
|
BOPCol_ListOfShape& aLF=theMEF.ChangeFromKey(aE);
|
|
aNbF=aLF.Extent();
|
|
if (!aNbF) {
|
|
return iRet != 0; // it can not be so
|
|
}
|
|
//
|
|
else if (aNbF==1) {
|
|
// aE is internal edge on aLF.First()
|
|
const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First()));
|
|
BOPTools_AlgoTools::GetEdgeOnFace(aE, aF1, aE1);
|
|
if (aE1.Orientation()!=TopAbs_INTERNAL) {
|
|
iRet=2;
|
|
break;
|
|
}
|
|
//
|
|
iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF1,
|
|
theContext);
|
|
break;
|
|
}
|
|
//
|
|
else if (aNbF==2) {
|
|
const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aLF.First()));
|
|
const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aLF.Last()));
|
|
//
|
|
if (aF2.IsSame(aF1) && BRep_Tool::IsClosed(aE, aF1)) {
|
|
// treat as it was for 1 face
|
|
iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aF1, aF2,
|
|
theContext);
|
|
break;
|
|
}
|
|
}
|
|
//
|
|
if (aNbF%2) {
|
|
return Standard_False; // it can not be so
|
|
}
|
|
else { // aNbF=2,4,6,8,...
|
|
iRet=BOPTools_AlgoTools::IsInternalFace(theFace, aE, aLF,
|
|
theContext);
|
|
break;
|
|
}
|
|
}//for(; aExp.More(); aExp.Next()) {
|
|
//
|
|
if (!iFound) {
|
|
// the face has no shared edges with the solid
|
|
iRet=2;
|
|
}
|
|
//
|
|
if (iRet!=2) {
|
|
return iRet == 1;
|
|
}
|
|
//
|
|
//========================================
|
|
// 2. Classify face using classifier
|
|
//
|
|
TopAbs_State aState;
|
|
BOPCol_IndexedMapOfShape aBounds;
|
|
//
|
|
BOPTools::MapShapes(theSolid, TopAbs_EDGE, aBounds);
|
|
//
|
|
aState=BOPTools_AlgoTools::ComputeState(theFace, theSolid,
|
|
theTol, aBounds, theContext);
|
|
return aState == TopAbs_IN;
|
|
}
|
|
//=======================================================================
|
|
//function : IsInternalFace
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Integer BOPTools_AlgoTools::IsInternalFace
|
|
(const TopoDS_Face& theFace,
|
|
const TopoDS_Edge& theEdge,
|
|
BOPCol_ListOfShape& theLF,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Integer aNbF, iRet;
|
|
//
|
|
iRet=0;
|
|
//
|
|
aNbF=theLF.Extent();
|
|
if (aNbF==2) {
|
|
const TopoDS_Face& aF1=(*(TopoDS_Face*)(&theLF.First()));
|
|
const TopoDS_Face& aF2=(*(TopoDS_Face*)(&theLF.Last()));
|
|
iRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2,
|
|
theContext);
|
|
return iRet;
|
|
}
|
|
//
|
|
else {
|
|
BOPTools_ListOfCoupleOfShape aLCFF;
|
|
BOPTools_ListIteratorOfListOfCoupleOfShape aIt;
|
|
//
|
|
FindFacePairs(theEdge, theLF, aLCFF, theContext);
|
|
//
|
|
aIt.Initialize(aLCFF);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
BOPTools_CoupleOfShape& aCSFF=aIt.ChangeValue();
|
|
//
|
|
const TopoDS_Face& aF1=(*(TopoDS_Face*)(&aCSFF.Shape1()));
|
|
const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCSFF.Shape2()));
|
|
iRet=BOPTools_AlgoTools::IsInternalFace(theFace, theEdge, aF1, aF2,
|
|
theContext);
|
|
if (iRet) {
|
|
return iRet;
|
|
}
|
|
}
|
|
}
|
|
return iRet;
|
|
}
|
|
//=======================================================================
|
|
//function : IsInternalFace
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Integer BOPTools_AlgoTools::IsInternalFace
|
|
(const TopoDS_Face& theFace,
|
|
const TopoDS_Edge& theEdge,
|
|
const TopoDS_Face& theFace1,
|
|
const TopoDS_Face& theFace2,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet;
|
|
Standard_Integer iRet;
|
|
TopoDS_Edge aE1, aE2;
|
|
TopoDS_Face aFOff;
|
|
BOPTools_ListOfCoupleOfShape theLCSOff;
|
|
BOPTools_CoupleOfShape aCS1, aCS2;
|
|
//
|
|
BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace1, aE1);
|
|
if (aE1.Orientation()==TopAbs_INTERNAL) {
|
|
aE2=aE1;
|
|
aE1.Orientation(TopAbs_FORWARD);
|
|
aE2.Orientation(TopAbs_REVERSED);
|
|
}
|
|
else if (theFace1==theFace2) {
|
|
aE2=aE1;
|
|
aE1.Orientation(TopAbs_FORWARD);
|
|
aE2.Orientation(TopAbs_REVERSED);
|
|
}
|
|
else {
|
|
BOPTools_AlgoTools::GetEdgeOnFace(theEdge, theFace2, aE2);
|
|
}
|
|
//
|
|
aCS1.SetShape1(theEdge);
|
|
aCS1.SetShape2(theFace);
|
|
theLCSOff.Append(aCS1);
|
|
//
|
|
aCS2.SetShape1(aE2);
|
|
aCS2.SetShape2(theFace2);
|
|
theLCSOff.Append(aCS2);
|
|
//
|
|
bRet=GetFaceOff(aE1, theFace1, theLCSOff, aFOff, theContext);
|
|
//
|
|
iRet=0; // theFace is not internal
|
|
if (theFace.IsEqual(aFOff)) {
|
|
// theFace is internal
|
|
iRet=1;
|
|
if (!bRet) {
|
|
// theFace seems to be internal
|
|
iRet=2;
|
|
}
|
|
}
|
|
return iRet;
|
|
}
|
|
//=======================================================================
|
|
//function : GetFaceOff
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::GetFaceOff
|
|
(const TopoDS_Edge& theE1,
|
|
const TopoDS_Face& theF1,
|
|
BOPTools_ListOfCoupleOfShape& theLCSOff,
|
|
TopoDS_Face& theFOff,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet, bIsComputed;
|
|
Standard_Real aT, aT1, aT2, aAngle, aTwoPI, aAngleMin, aDt3D;
|
|
Standard_Real aUmin, aUsup, aVmin, aVsup, aPA;
|
|
gp_Pnt aPn1, aPn2, aPx;
|
|
gp_Dir aDN1, aDN2, aDBF, aDBF2, aDTF;
|
|
gp_Vec aVTgt;
|
|
TopAbs_Orientation aOr;
|
|
Handle(Geom_Curve)aC3D;
|
|
Handle(Geom_Plane) aPL;
|
|
BOPTools_ListIteratorOfListOfCoupleOfShape aIt;
|
|
GeomAPI_ProjectPointOnSurf aProjPL;
|
|
//
|
|
aPA=Precision::Angular();
|
|
aAngleMin=100.;
|
|
aTwoPI=M_PI+M_PI;
|
|
aC3D =BRep_Tool::Curve(theE1, aT1, aT2);
|
|
aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2);
|
|
aC3D->D0(aT, aPx);
|
|
//
|
|
BOPTools_AlgoTools2D::EdgeTangent(theE1, aT, aVTgt);
|
|
gp_Dir aDTgt(aVTgt), aDTgt2;
|
|
aOr = theE1.Orientation();
|
|
//
|
|
aPL = new Geom_Plane(aPx, aDTgt);
|
|
aPL->Bounds(aUmin, aUsup, aVmin, aVsup);
|
|
aProjPL.Init(aPL, aUmin, aUsup, aVmin, aVsup);
|
|
//
|
|
Standard_Boolean bSmallFaces = Standard_False;
|
|
aDt3D = MinStep3D(theE1, theF1, theLCSOff, aPx, theContext, bSmallFaces);
|
|
bIsComputed = GetFaceDir(theE1, theF1, aPx, aT, aDTgt, bSmallFaces,
|
|
aDN1, aDBF, theContext, aProjPL, aDt3D);
|
|
if (!bIsComputed) {
|
|
#ifdef OCCT_DEBUG
|
|
cout << "BOPTools_AlgoTools::GetFaceOff(): incorrect computation of bi-normal direction." << endl;
|
|
#endif
|
|
}
|
|
//
|
|
aDTF=aDN1^aDBF;
|
|
//
|
|
bRet=Standard_True;
|
|
aIt.Initialize(theLCSOff);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const BOPTools_CoupleOfShape& aCS=aIt.Value();
|
|
const TopoDS_Edge& aE2=(*(TopoDS_Edge*)(&aCS.Shape1()));
|
|
const TopoDS_Face& aF2=(*(TopoDS_Face*)(&aCS.Shape2()));
|
|
//
|
|
aDTgt2 = (aE2.Orientation()==aOr) ? aDTgt : aDTgt.Reversed();
|
|
bIsComputed = GetFaceDir(aE2, aF2, aPx, aT, aDTgt2, bSmallFaces, aDN2,
|
|
aDBF2, theContext, aProjPL, aDt3D);
|
|
if (!bIsComputed) {
|
|
#ifdef OCCT_DEBUG
|
|
cout << "BOPTools_AlgoTools::GetFaceOff(): incorrect computation of bi-normal direction." << endl;
|
|
#endif
|
|
}
|
|
//Angle
|
|
aAngle=AngleWithRef(aDBF, aDBF2, aDTF);
|
|
//
|
|
if(aAngle<0.) {
|
|
aAngle=aTwoPI+aAngle;
|
|
}
|
|
//
|
|
if (aAngle<aPA) {
|
|
if (aF2==theF1) {
|
|
aAngle=M_PI;
|
|
}
|
|
else if (aF2.IsSame(theF1)) {
|
|
aAngle=aTwoPI;
|
|
}
|
|
}
|
|
//
|
|
if (fabs(aAngle-aAngleMin)<aPA) {
|
|
// the minimal angle can not be found
|
|
bRet=Standard_False;
|
|
}
|
|
//
|
|
if (aAngle<aAngleMin){
|
|
aAngleMin=aAngle;
|
|
theFOff=aF2;
|
|
}
|
|
else if (aAngle==aAngleMin) {
|
|
// the minimal angle can not be found
|
|
bRet=Standard_False;
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
//function : GetEdgeOff
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::GetEdgeOff(const TopoDS_Edge& theE1,
|
|
const TopoDS_Face& theF2,
|
|
TopoDS_Edge& theE2)
|
|
{
|
|
Standard_Boolean bFound;
|
|
TopAbs_Orientation aOr1, aOr1C, aOr2;
|
|
TopExp_Explorer anExp;
|
|
//
|
|
bFound=Standard_False;
|
|
aOr1=theE1.Orientation();
|
|
aOr1C=TopAbs::Reverse(aOr1);
|
|
//
|
|
anExp.Init(theF2, TopAbs_EDGE);
|
|
for (; anExp.More(); anExp.Next()) {
|
|
const TopoDS_Edge& aEF2=(*(TopoDS_Edge*)(&anExp.Current()));
|
|
if (aEF2.IsSame(theE1)) {
|
|
aOr2=aEF2.Orientation();
|
|
if (aOr2==aOr1C) {
|
|
theE2=aEF2;
|
|
bFound=!bFound;
|
|
return bFound;
|
|
}
|
|
}
|
|
}
|
|
return bFound;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : AreFacesSameDomain
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::AreFacesSameDomain
|
|
(const TopoDS_Face& theF1,
|
|
const TopoDS_Face& theF2,
|
|
Handle(IntTools_Context)& theContext,
|
|
const Standard_Real theFuzz)
|
|
{
|
|
Standard_Boolean bFlag;
|
|
Standard_Integer iErr;
|
|
Standard_Real aTolF1, aTolF2, aTol;
|
|
gp_Pnt2d aP2D;
|
|
gp_Pnt aP;
|
|
TopoDS_Face aF1, aF2;
|
|
TopoDS_Edge aE1;
|
|
TopExp_Explorer aExp;
|
|
Standard_Real aFuzz1 = (theFuzz > Precision::Confusion() ? theFuzz : Precision::Confusion());
|
|
//
|
|
bFlag=Standard_False;
|
|
//
|
|
aF1=theF1;
|
|
aF1.Orientation(TopAbs_FORWARD);
|
|
aF2=theF2;
|
|
aF2.Orientation(TopAbs_FORWARD);
|
|
//
|
|
aTolF1=BRep_Tool::Tolerance(aF1);
|
|
// 1
|
|
aExp.Init(aF1, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
aE1=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (!BRep_Tool::Degenerated(aE1)) {
|
|
Standard_Real aTolE = BRep_Tool::Tolerance(aE1);
|
|
if (aTolE > aTolF1) {
|
|
aTolF1 = aTolE;
|
|
}
|
|
}
|
|
}
|
|
// 2
|
|
aTolF2=BRep_Tool::Tolerance(aF2);
|
|
aTol = aTolF1 + aTolF2 + aFuzz1;
|
|
//
|
|
iErr = BOPTools_AlgoTools3D::PointInFace(aF1, aP, aP2D,
|
|
theContext);
|
|
if (!iErr) {
|
|
bFlag=theContext->IsValidPointForFace(aP, aF2, aTol);
|
|
}
|
|
//
|
|
return bFlag;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : CheckSameGeom
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::CheckSameGeom
|
|
(const TopoDS_Face& theF1,
|
|
const TopoDS_Face& theF2,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet;
|
|
Standard_Real aTolF1, aTolF2, aTol;
|
|
gp_Pnt2d aP2D;
|
|
gp_Pnt aP;
|
|
TopExp_Explorer aExp;
|
|
//
|
|
bRet=Standard_False;
|
|
aExp.Init(theF1, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (!BRep_Tool::Degenerated(aE)) {
|
|
aTolF1=BRep_Tool::Tolerance(theF1);
|
|
aTolF2=BRep_Tool::Tolerance(theF2);
|
|
aTol=aTolF1+aTolF2;
|
|
BOPTools_AlgoTools3D::PointNearEdge(aE, theF1, aP2D, aP, theContext);
|
|
bRet=theContext->IsValidPointForFace(aP, theF2, aTol);
|
|
break;
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
// function: Sense
|
|
// purpose:
|
|
//=======================================================================
|
|
Standard_Integer BOPTools_AlgoTools::Sense (const TopoDS_Face& theF1,
|
|
const TopoDS_Face& theF2,
|
|
const Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Integer iSense=0;
|
|
gp_Dir aDNF1, aDNF2;
|
|
TopoDS_Edge aE1, aE2;
|
|
TopExp_Explorer aExp;
|
|
//
|
|
aExp.Init(theF1, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
aE1=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (!BRep_Tool::Degenerated(aE1)) {
|
|
if (!BRep_Tool::IsClosed(aE1, theF1)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
//
|
|
aExp.Init(theF2, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
aE2=(*(TopoDS_Edge*)(&aExp.Current()));
|
|
if (!BRep_Tool::Degenerated(aE2)) {
|
|
if (!BRep_Tool::IsClosed(aE2, theF2)) {
|
|
if (aE2.IsSame(aE1)) {
|
|
iSense=1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//
|
|
if (!iSense) {
|
|
return iSense;
|
|
}
|
|
//
|
|
BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE1, theF1, aDNF1, theContext);
|
|
BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE2, theF2, aDNF2, theContext);
|
|
//
|
|
iSense=BOPTools_AlgoTools3D::SenseFlag(aDNF1, aDNF2);
|
|
//
|
|
return iSense;
|
|
}
|
|
//=======================================================================
|
|
// function: IsSplitToReverse
|
|
// purpose:
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse
|
|
(const TopoDS_Shape& theSp,
|
|
const TopoDS_Shape& theSr,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet;
|
|
TopAbs_ShapeEnum aType;
|
|
//
|
|
bRet=Standard_False;
|
|
//
|
|
aType=theSp.ShapeType();
|
|
switch (aType) {
|
|
case TopAbs_EDGE: {
|
|
const TopoDS_Edge& aESp=(*(TopoDS_Edge*)(&theSp));
|
|
const TopoDS_Edge& aESr=(*(TopoDS_Edge*)(&theSr));
|
|
bRet=BOPTools_AlgoTools::IsSplitToReverse(aESp, aESr, theContext);
|
|
}
|
|
break;
|
|
//
|
|
case TopAbs_FACE: {
|
|
const TopoDS_Face& aFSp=(*(TopoDS_Face*)(&theSp));
|
|
const TopoDS_Face& aFSr=(*(TopoDS_Face*)(&theSr));
|
|
bRet=BOPTools_AlgoTools::IsSplitToReverse(aFSp, aFSr, theContext);
|
|
}
|
|
break;
|
|
//
|
|
default:
|
|
break;
|
|
}
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
//function :IsSplitToReverse
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse
|
|
(const TopoDS_Face& theFSp,
|
|
const TopoDS_Face& theFSr,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet, bFound, bInFace;
|
|
Standard_Real aT1, aT2, aT, aU, aV, aScPr;
|
|
gp_Pnt aPFSp, aPFSr;
|
|
gp_Dir aDNFSp;
|
|
gp_Vec aD1U, aD1V;
|
|
Handle(Geom_Surface) aSr, aSp;
|
|
TopAbs_Orientation aOrSr, aOrSp;
|
|
TopExp_Explorer anExp;
|
|
TopoDS_Edge aESp;
|
|
//
|
|
bRet=Standard_False;
|
|
//
|
|
aSr=BRep_Tool::Surface(theFSr);
|
|
aSp=BRep_Tool::Surface(theFSp);
|
|
if (aSr==aSp) {
|
|
aOrSr=theFSr.Orientation();
|
|
aOrSp=theFSp.Orientation();
|
|
bRet=(aOrSr!=aOrSp);
|
|
return bRet;
|
|
}
|
|
//
|
|
bFound=Standard_False;
|
|
anExp.Init(theFSp, TopAbs_EDGE);
|
|
for (; anExp.More(); anExp.Next()) {
|
|
aESp=(*(TopoDS_Edge*)(&anExp.Current()));
|
|
if (!BRep_Tool::Degenerated(aESp)) {
|
|
if (!BRep_Tool::IsClosed(aESp, theFSp)) {
|
|
bFound=!bFound;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!bFound) {
|
|
Standard_Boolean bFlag;
|
|
Standard_Integer iErr;
|
|
gp_Pnt2d aP2DFSp;
|
|
//
|
|
iErr=BOPTools_AlgoTools3D::PointInFace(theFSp, aPFSp, aP2DFSp,
|
|
theContext);
|
|
if (iErr) {
|
|
return bRet;
|
|
}
|
|
//
|
|
aP2DFSp.Coord(aU, aV);
|
|
bFlag=BOPTools_AlgoTools3D::GetNormalToSurface(aSp, aU, aV, aDNFSp);
|
|
if (!bFlag) {
|
|
return bRet;
|
|
}
|
|
//
|
|
if (theFSp.Orientation()==TopAbs_REVERSED){
|
|
aDNFSp.Reverse();
|
|
}
|
|
}
|
|
else {
|
|
BRep_Tool::Range(aESp, aT1, aT2);
|
|
aT=BOPTools_AlgoTools2D::IntermediatePoint(aT1, aT2);
|
|
BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge(aESp, theFSp, aT,
|
|
aPFSp, aDNFSp,
|
|
theContext);
|
|
}
|
|
//
|
|
// Parts of theContext->ComputeVS(..)
|
|
GeomAPI_ProjectPointOnSurf& aProjector=theContext->ProjPS(theFSr);
|
|
aProjector.Perform(aPFSp);
|
|
if (!aProjector.IsDone()) {
|
|
return bRet;
|
|
}
|
|
//
|
|
aProjector.LowerDistanceParameters(aU, aV);
|
|
gp_Pnt2d aP2D(aU, aV);
|
|
bInFace=theContext->IsPointInOnFace (theFSr, aP2D);
|
|
if (!bInFace) {
|
|
return bRet;
|
|
}
|
|
//
|
|
aSr->D1(aU, aV, aPFSr, aD1U, aD1V);
|
|
gp_Dir aDD1U(aD1U);
|
|
gp_Dir aDD1V(aD1V);
|
|
gp_Dir aDNFSr=aDD1U^aDD1V;
|
|
if (theFSr.Orientation()==TopAbs_REVERSED){
|
|
aDNFSr.Reverse();
|
|
}
|
|
//
|
|
aScPr=aDNFSp*aDNFSr;
|
|
bRet=(aScPr<0.);
|
|
//
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
//function :IsSplitToReverse
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsSplitToReverse
|
|
(const TopoDS_Edge& aEF1,
|
|
const TopoDS_Edge& aEF2,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bRet, bIsDegenerated;
|
|
//
|
|
bRet=Standard_False;
|
|
bIsDegenerated=(BRep_Tool::Degenerated(aEF1) ||
|
|
BRep_Tool::Degenerated(aEF2));
|
|
if (bIsDegenerated) {
|
|
return bRet;
|
|
}
|
|
//
|
|
Standard_Real a, b;
|
|
TopAbs_Orientation aOrE, aOrSp;
|
|
Handle(Geom_Curve)aC1, aC2;
|
|
//
|
|
aC2=BRep_Tool::Curve(aEF2, a, b);
|
|
aC1=BRep_Tool::Curve(aEF1, a, b);
|
|
//
|
|
if (aC1==aC2) {
|
|
aOrE=aEF2.Orientation();
|
|
aOrSp=aEF1.Orientation();
|
|
bRet=(aOrE!=aOrSp);
|
|
return bRet;
|
|
}
|
|
//
|
|
Standard_Real aT1, aT2, aScPr;
|
|
gp_Vec aV1, aV2;
|
|
gp_Pnt aP;
|
|
//
|
|
aT1=BOPTools_AlgoTools2D::IntermediatePoint(a, b);
|
|
aC1->D0(aT1, aP);
|
|
BOPTools_AlgoTools2D::EdgeTangent(aEF1, aT1, aV1);
|
|
gp_Dir aDT1(aV1);
|
|
//
|
|
theContext->ProjectPointOnEdge(aP, aEF2, aT2);
|
|
//
|
|
BOPTools_AlgoTools2D::EdgeTangent(aEF2, aT2, aV2);
|
|
gp_Dir aDT2(aV2);
|
|
//
|
|
aScPr=aDT1*aDT2;
|
|
bRet=(aScPr<0.);
|
|
//
|
|
return bRet;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : IsHole
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsHole(const TopoDS_Shape& aW,
|
|
const TopoDS_Shape& aFace)
|
|
{
|
|
Standard_Boolean bIsHole;
|
|
Standard_Integer i, aNbS;
|
|
Standard_Real aT1, aT2, aS;
|
|
Standard_Real aU1, aU, dU;
|
|
Standard_Real aX1, aY1, aX0, aY0;
|
|
TopAbs_Orientation aOr;
|
|
|
|
gp_Pnt2d aP2D0, aP2D1;
|
|
Handle(Geom2d_Curve) aC2D;
|
|
TopoDS_Face aF, aFF;
|
|
TopoDS_Iterator aItW;
|
|
//
|
|
bIsHole=Standard_False;
|
|
//
|
|
aF=(*(TopoDS_Face *)(&aFace));
|
|
aFF=aF;
|
|
aFF.Orientation(TopAbs_FORWARD);
|
|
//
|
|
aS=0.;
|
|
aItW.Initialize(aW);
|
|
for (; aItW.More(); aItW.Next()) {
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&aItW.Value()));
|
|
aOr=aE.Orientation();
|
|
if (!(aOr==TopAbs_FORWARD ||
|
|
aOr==TopAbs_REVERSED)) {
|
|
continue;
|
|
}
|
|
//
|
|
aC2D=BRep_Tool::CurveOnSurface(aE, aFF, aT1, aT2);
|
|
if (aC2D.IsNull()) {
|
|
break; //xx
|
|
}
|
|
//
|
|
BRepAdaptor_Curve2d aBAC2D(aE, aFF);
|
|
aNbS=Geom2dInt_Geom2dCurveTool::NbSamples(aBAC2D);
|
|
if (aNbS>2) {
|
|
aNbS*=4;
|
|
}
|
|
//
|
|
dU=(aT2-aT1)/(Standard_Real)(aNbS-1);
|
|
aU =aT1;
|
|
aU1=aT1;
|
|
if (aOr==TopAbs_REVERSED) {
|
|
aU =aT2;
|
|
aU1=aT2;
|
|
dU=-dU;
|
|
}
|
|
//
|
|
aBAC2D.D0(aU, aP2D0);
|
|
for(i=2; i<=aNbS; i++) {
|
|
aU=aU1+(i-1)*dU;
|
|
aBAC2D.D0(aU, aP2D1);
|
|
aP2D0.Coord(aX0, aY0);
|
|
aP2D1.Coord(aX1, aY1);
|
|
//
|
|
aS=aS+(aY0+aY1)*(aX1-aX0);
|
|
//
|
|
aP2D0=aP2D1;
|
|
}
|
|
}//for (; aItW.More(); aItW.Next()) {
|
|
bIsHole=(aS>0.);
|
|
return bIsHole;
|
|
}
|
|
|
|
//=======================================================================
|
|
// function: MakeContainer
|
|
// purpose:
|
|
//=======================================================================
|
|
void BOPTools_AlgoTools::MakeContainer(const TopAbs_ShapeEnum theType,
|
|
TopoDS_Shape& theC)
|
|
{
|
|
BRep_Builder aBB;
|
|
//
|
|
switch(theType) {
|
|
case TopAbs_COMPOUND:{
|
|
TopoDS_Compound aC;
|
|
aBB.MakeCompound(aC);
|
|
theC=aC;
|
|
}
|
|
break;
|
|
//
|
|
case TopAbs_COMPSOLID:{
|
|
TopoDS_CompSolid aCS;
|
|
aBB.MakeCompSolid(aCS);
|
|
theC=aCS;
|
|
}
|
|
break;
|
|
//
|
|
case TopAbs_SOLID:{
|
|
TopoDS_Solid aSolid;
|
|
aBB.MakeSolid(aSolid);
|
|
theC=aSolid;
|
|
}
|
|
break;
|
|
//
|
|
//
|
|
case TopAbs_SHELL:{
|
|
TopoDS_Shell aShell;
|
|
aBB.MakeShell(aShell);
|
|
theC=aShell;
|
|
}
|
|
break;
|
|
//
|
|
case TopAbs_WIRE: {
|
|
TopoDS_Wire aWire;
|
|
aBB.MakeWire(aWire);
|
|
theC=aWire;
|
|
}
|
|
break;
|
|
//
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
//=======================================================================
|
|
// function: MakePCurve
|
|
// purpose:
|
|
//=======================================================================
|
|
void BOPTools_AlgoTools::MakePCurve(const TopoDS_Edge& aE,
|
|
const TopoDS_Face& aF1,
|
|
const TopoDS_Face& aF2,
|
|
const IntTools_Curve& aIC,
|
|
const Standard_Boolean bPC1,
|
|
const Standard_Boolean bPC2,
|
|
const Handle(IntTools_Context)& theContext)
|
|
|
|
{
|
|
Standard_Integer i;
|
|
Standard_Real aTolE, aT1, aT2, aOutFirst, aOutLast, aOutTol;
|
|
Handle(Geom2d_Curve) aC2D, aC2DA, aC2Dx1;
|
|
TopoDS_Face aFFWD;
|
|
BRep_Builder aBB;
|
|
Standard_Boolean bPC;
|
|
//
|
|
aTolE=BRep_Tool::Tolerance(aE);
|
|
//
|
|
const Handle(Geom_Curve)& aC3DE=BRep_Tool::Curve(aE, aT1, aT2);
|
|
Handle(Geom_TrimmedCurve)aC3DETrim=
|
|
new Geom_TrimmedCurve(aC3DE, aT1, aT2);
|
|
//
|
|
for (i=0; i<2; ++i) {
|
|
bPC = !i ? bPC1 : bPC2;
|
|
if (!bPC) {
|
|
continue;
|
|
}
|
|
//
|
|
if (!i) {
|
|
aFFWD=aF1;
|
|
aC2Dx1=aIC.FirstCurve2d();
|
|
}
|
|
else {
|
|
aFFWD=aF2;
|
|
aC2Dx1=aIC.SecondCurve2d();
|
|
}
|
|
//
|
|
aFFWD.Orientation(TopAbs_FORWARD);
|
|
//
|
|
aC2D=aC2Dx1;
|
|
if (aC2D.IsNull()) {
|
|
BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace(aE, aFFWD, theContext);
|
|
BOPTools_AlgoTools2D::CurveOnSurface(aE, aFFWD, aC2D,
|
|
aOutFirst, aOutLast,
|
|
aOutTol, theContext);
|
|
}
|
|
//
|
|
if (aC3DE->IsPeriodic()) {
|
|
BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aT1, aT2, aC2D,
|
|
aC2DA, theContext);
|
|
}
|
|
else {
|
|
BOPTools_AlgoTools2D::AdjustPCurveOnFace(aFFWD, aC3DETrim, aC2D,
|
|
aC2DA, theContext);
|
|
}
|
|
//
|
|
aBB.UpdateEdge(aE, aC2DA, aFFWD, aTolE);
|
|
//BRepLib::SameParameter(aE);
|
|
}
|
|
BRepLib::SameParameter(aE);
|
|
}
|
|
//=======================================================================
|
|
// function: MakeEdge
|
|
// purpose:
|
|
//=======================================================================
|
|
void BOPTools_AlgoTools::MakeEdge(const IntTools_Curve& theIC,
|
|
const TopoDS_Vertex& theV1,
|
|
const Standard_Real theT1,
|
|
const TopoDS_Vertex& theV2,
|
|
const Standard_Real theT2,
|
|
const Standard_Real theTolR3D,
|
|
TopoDS_Edge& theE)
|
|
{
|
|
BRep_Builder aBB;
|
|
Standard_Real aNeedTol = theTolR3D + 1e-12;
|
|
//
|
|
aBB.UpdateVertex(theV1, aNeedTol);
|
|
aBB.UpdateVertex(theV2, aNeedTol);
|
|
//
|
|
BOPTools_AlgoTools::MakeSectEdge (theIC, theV1, theT1, theV2, theT2,
|
|
theE);
|
|
//
|
|
aBB.UpdateEdge(theE, theTolR3D);
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeVV
|
|
// purpose:
|
|
//=======================================================================
|
|
Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1,
|
|
const gp_Pnt& aP2,
|
|
const Standard_Real aTolP2)
|
|
{
|
|
Standard_Real aTolV1, aTolSum, aTolSum2, aD2;
|
|
gp_Pnt aP1;
|
|
//
|
|
aTolV1=BRep_Tool::Tolerance(aV1);
|
|
|
|
aTolSum = aTolV1 + aTolP2 + Precision::Confusion();
|
|
aTolSum2=aTolSum*aTolSum;
|
|
//
|
|
aP1=BRep_Tool::Pnt(aV1);
|
|
//
|
|
aD2=aP1.SquareDistance(aP2);
|
|
if (aD2>aTolSum2) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
//=======================================================================
|
|
// function: ComputeVV
|
|
// purpose:
|
|
//=======================================================================
|
|
Standard_Integer BOPTools_AlgoTools::ComputeVV(const TopoDS_Vertex& aV1,
|
|
const TopoDS_Vertex& aV2,
|
|
const Standard_Real aFuzz)
|
|
{
|
|
Standard_Real aTolV1, aTolV2, aTolSum, aTolSum2, aD2;
|
|
gp_Pnt aP1, aP2;
|
|
Standard_Real aFuzz1 = (aFuzz > Precision::Confusion() ? aFuzz : Precision::Confusion());
|
|
//
|
|
aTolV1=BRep_Tool::Tolerance(aV1);
|
|
aTolV2=BRep_Tool::Tolerance(aV2);
|
|
aTolSum=aTolV1+aTolV2+aFuzz1;
|
|
aTolSum2=aTolSum*aTolSum;
|
|
//
|
|
aP1=BRep_Tool::Pnt(aV1);
|
|
aP2=BRep_Tool::Pnt(aV2);
|
|
//
|
|
aD2=aP1.SquareDistance(aP2);
|
|
if (aD2>aTolSum2) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
//=======================================================================
|
|
// function: MakeVertex
|
|
// purpose :
|
|
//=======================================================================
|
|
void BOPTools_AlgoTools::MakeVertex(const BOPCol_ListOfShape& aLV,
|
|
TopoDS_Vertex& aVnew)
|
|
{
|
|
Standard_Integer aNb = aLV.Extent();
|
|
if (aNb == 1)
|
|
aVnew=*((TopoDS_Vertex*)(&aLV.First()));
|
|
else if (aNb > 1)
|
|
{
|
|
Standard_Real aNTol;
|
|
gp_Pnt aNC;
|
|
BRepLib::BoundingVertex(aLV, aNC, aNTol);
|
|
BRep_Builder aBB;
|
|
aBB.MakeVertex(aVnew, aNC, aNTol);
|
|
}
|
|
}
|
|
//=======================================================================
|
|
//function : GetEdgeOnFace
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::GetEdgeOnFace
|
|
(const TopoDS_Edge& theE1,
|
|
const TopoDS_Face& theF2,
|
|
TopoDS_Edge& theE2)
|
|
{
|
|
Standard_Boolean bFound;
|
|
TopoDS_Iterator aItF, aItW;
|
|
//
|
|
bFound=Standard_False;
|
|
//
|
|
aItF.Initialize(theF2);
|
|
for (; aItF.More(); aItF.Next()) {
|
|
const TopoDS_Shape& aW=aItF.Value();
|
|
aItW.Initialize(aW);
|
|
for (; aItW.More(); aItW.Next()) {
|
|
const TopoDS_Shape& aE=aItW.Value();
|
|
if (aE.IsSame(theE1)) {
|
|
theE2=(*(TopoDS_Edge*)(&aE));
|
|
bFound=!bFound;
|
|
return bFound;
|
|
}
|
|
}
|
|
}
|
|
return bFound;
|
|
}
|
|
//=======================================================================
|
|
//function : FindFacePairs
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean FindFacePairs (const TopoDS_Edge& theE,
|
|
const BOPCol_ListOfShape& thLF,
|
|
BOPTools_ListOfCoupleOfShape& theLCFF,
|
|
Handle(IntTools_Context)& theContext)
|
|
{
|
|
Standard_Boolean bFound;
|
|
Standard_Integer i, aNbCEF;
|
|
TopAbs_Orientation aOr, aOrC = TopAbs_FORWARD;
|
|
BOPCol_MapOfShape aMFP;
|
|
TopoDS_Face aF1, aF2;
|
|
TopoDS_Edge aEL, aE1;
|
|
BOPCol_ListIteratorOfListOfShape aItLF;
|
|
BOPTools_CoupleOfShape aCEF, aCFF;
|
|
BOPTools_ListOfCoupleOfShape aLCEF, aLCEFx;
|
|
BOPTools_ListIteratorOfListOfCoupleOfShape aIt;
|
|
//
|
|
bFound=Standard_True;
|
|
//
|
|
// Preface aLCEF
|
|
aItLF.Initialize(thLF);
|
|
for (; aItLF.More(); aItLF.Next()) {
|
|
const TopoDS_Face& aFL=(*(TopoDS_Face*)(&aItLF.Value()));
|
|
//
|
|
bFound=BOPTools_AlgoTools::GetEdgeOnFace(theE, aFL, aEL);
|
|
if (!bFound) {
|
|
return bFound; // it can not be so
|
|
}
|
|
//
|
|
aCEF.SetShape1(aEL);
|
|
aCEF.SetShape2(aFL);
|
|
aLCEF.Append(aCEF);
|
|
}
|
|
//
|
|
aNbCEF=aLCEF.Extent();
|
|
while(aNbCEF) {
|
|
//
|
|
// aLCEFx
|
|
aLCEFx.Clear();
|
|
aIt.Initialize(aLCEF);
|
|
for (i=0; aIt.More(); aIt.Next(), ++i) {
|
|
const BOPTools_CoupleOfShape& aCSx=aIt.Value();
|
|
const TopoDS_Shape& aEx=aCSx.Shape1();
|
|
const TopoDS_Shape& aFx=aCSx.Shape2();
|
|
//
|
|
aOr=aEx.Orientation();
|
|
//
|
|
if (!i) {
|
|
aOrC=TopAbs::Reverse(aOr);
|
|
aE1=(*(TopoDS_Edge*)(&aEx));
|
|
aF1=(*(TopoDS_Face*)(&aFx));
|
|
aMFP.Add(aFx);
|
|
continue;
|
|
}
|
|
//
|
|
if (aOr==aOrC) {
|
|
aLCEFx.Append(aCSx);
|
|
aMFP.Add(aFx);
|
|
}
|
|
}
|
|
//
|
|
// F2
|
|
BOPTools_AlgoTools::GetFaceOff(aE1, aF1, aLCEFx, aF2, theContext);
|
|
//
|
|
aCFF.SetShape1(aF1);
|
|
aCFF.SetShape2(aF2);
|
|
theLCFF.Append(aCFF);
|
|
//
|
|
aMFP.Add(aF1);
|
|
aMFP.Add(aF2);
|
|
//
|
|
// refine aLCEF
|
|
aLCEFx.Clear();
|
|
aLCEFx=aLCEF;
|
|
aLCEF.Clear();
|
|
aIt.Initialize(aLCEFx);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const BOPTools_CoupleOfShape& aCSx=aIt.Value();
|
|
const TopoDS_Shape& aFx=aCSx.Shape2();
|
|
if (!aMFP.Contains(aFx)) {
|
|
aLCEF.Append(aCSx);
|
|
}
|
|
}
|
|
//
|
|
aNbCEF=aLCEF.Extent();
|
|
}//while(aNbCEF) {
|
|
//
|
|
return bFound;
|
|
}
|
|
//=======================================================================
|
|
//function : AngleWithRef
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Real AngleWithRef(const gp_Dir& theD1,
|
|
const gp_Dir& theD2,
|
|
const gp_Dir& theDRef)
|
|
{
|
|
Standard_Real aCosinus, aSinus, aBeta, aHalfPI, aScPr;
|
|
gp_XYZ aXYZ;
|
|
//
|
|
aHalfPI=0.5*M_PI;
|
|
//
|
|
const gp_XYZ& aXYZ1=theD1.XYZ();
|
|
const gp_XYZ& aXYZ2=theD2.XYZ();
|
|
aXYZ=aXYZ1.Crossed(aXYZ2);
|
|
aSinus=aXYZ.Modulus();
|
|
aCosinus=theD1*theD2;
|
|
//
|
|
aBeta=0.;
|
|
if (aSinus>=0.) {
|
|
aBeta=aHalfPI*(1.-aCosinus);
|
|
}
|
|
else {
|
|
aBeta=2.*M_PI-aHalfPI*(3.+aCosinus);
|
|
}
|
|
//
|
|
aScPr=aXYZ.Dot(theDRef.XYZ());
|
|
if (aScPr<0.) {
|
|
aBeta=-aBeta;
|
|
}
|
|
return aBeta;
|
|
}
|
|
//=======================================================================
|
|
// function: IsBlockInOnFace
|
|
// purpose:
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsBlockInOnFace
|
|
(const IntTools_Range& aShrR,
|
|
const TopoDS_Face& aF,
|
|
const TopoDS_Edge& aE1,
|
|
Handle(IntTools_Context)& aContext)
|
|
{
|
|
Standard_Boolean bFlag;
|
|
Standard_Real f1, l1, ULD, VLD;
|
|
gp_Pnt2d aP2D;
|
|
gp_Pnt aP11, aP12;
|
|
//
|
|
aShrR.Range(f1, l1);
|
|
Standard_Real dt=0.0075, k;//dt=0.001, k;
|
|
k=dt*(l1-f1);
|
|
f1=f1+k;
|
|
l1=l1-k;
|
|
//
|
|
// Treatment P11
|
|
BOPTools_AlgoTools::PointOnEdge(aE1, f1, aP11);
|
|
//
|
|
GeomAPI_ProjectPointOnSurf& aProjector=aContext->ProjPS(aF);
|
|
aProjector.Perform(aP11);
|
|
//
|
|
bFlag=aProjector.IsDone();
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
|
|
aProjector.LowerDistanceParameters(ULD, VLD);
|
|
aP2D.SetCoord(ULD, VLD);
|
|
//
|
|
bFlag=aContext->IsPointInOnFace (aF, aP2D);
|
|
//
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
//
|
|
// Treatment P12
|
|
BOPTools_AlgoTools::PointOnEdge(aE1, l1, aP12);
|
|
//
|
|
aProjector.Perform(aP12);
|
|
//
|
|
bFlag=aProjector.IsDone();
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
|
|
aProjector.LowerDistanceParameters(ULD, VLD);
|
|
aP2D.SetCoord(ULD, VLD);
|
|
//
|
|
bFlag=aContext->IsPointInOnFace (aF, aP2D);
|
|
//
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
//
|
|
// Treatment intemediate
|
|
Standard_Real m1, aTolF, aTolE, aTol, aDist;
|
|
m1=IntTools_Tools::IntermediatePoint(f1, l1);
|
|
BOPTools_AlgoTools::PointOnEdge(aE1, m1, aP12);
|
|
//
|
|
aProjector.Perform(aP12);
|
|
//
|
|
bFlag=aProjector.IsDone();
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
//
|
|
aTolE=BRep_Tool::Tolerance(aE1);
|
|
aTolF=BRep_Tool::Tolerance(aF);
|
|
aTol=aTolE+aTolF;
|
|
aDist=aProjector.LowerDistance();
|
|
if (aDist > aTol){
|
|
return Standard_False;
|
|
}
|
|
|
|
aProjector.LowerDistanceParameters(ULD, VLD);
|
|
aP2D.SetCoord(ULD, VLD);
|
|
//
|
|
bFlag=aContext->IsPointInOnFace (aF, aP2D);
|
|
//
|
|
if (!bFlag) {
|
|
return bFlag;
|
|
}
|
|
return bFlag;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : IsMicroEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsMicroEdge
|
|
(const TopoDS_Edge& aE,
|
|
const Handle(IntTools_Context)& aCtx,
|
|
const Standard_Boolean bCheckSplittable)
|
|
{
|
|
Standard_Boolean bRet;
|
|
Standard_Real aT1, aT2, aTmp;
|
|
Handle(Geom_Curve) aC3D;
|
|
TopoDS_Vertex aV1, aV2;
|
|
//
|
|
bRet=(BRep_Tool::Degenerated(aE) ||
|
|
!BRep_Tool::IsGeometric(aE));
|
|
if (bRet) {
|
|
return bRet;
|
|
}
|
|
//
|
|
aC3D=BRep_Tool::Curve(aE, aT1, aT2);
|
|
TopExp::Vertices(aE, aV1, aV2);
|
|
aT1=BRep_Tool::Parameter(aV1, aE);
|
|
aT2=BRep_Tool::Parameter(aV2, aE);
|
|
if (aT2<aT1) {
|
|
aTmp=aT1;
|
|
aT1=aT2;
|
|
aT2=aTmp;
|
|
}
|
|
//
|
|
IntTools_ShrunkRange aSR;
|
|
aSR.SetContext(aCtx);
|
|
aSR.SetData(aE, aT1, aT2, aV1, aV2);
|
|
aSR.Perform();
|
|
bRet = !aSR.IsDone();
|
|
if (!bRet && bCheckSplittable) {
|
|
bRet = !aSR.IsSplittable();
|
|
}
|
|
//
|
|
return bRet;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : GetFaceDir
|
|
//purpose : Get binormal direction for the face in the point aP
|
|
//=======================================================================
|
|
Standard_Boolean GetFaceDir(const TopoDS_Edge& aE,
|
|
const TopoDS_Face& aF,
|
|
const gp_Pnt& aP,
|
|
const Standard_Real aT,
|
|
const gp_Dir& aDTgt,
|
|
const Standard_Boolean theSmallFaces,
|
|
gp_Dir& aDN,
|
|
gp_Dir& aDB,
|
|
Handle(IntTools_Context)& theContext,
|
|
GeomAPI_ProjectPointOnSurf& aProjPL,
|
|
const Standard_Real aDt)
|
|
{
|
|
Standard_Real aTolE;
|
|
gp_Pnt aPx;
|
|
//
|
|
BOPTools_AlgoTools3D::GetNormalToFaceOnEdge(aE, aF, aT, aDN, theContext);
|
|
if (aF.Orientation()==TopAbs_REVERSED){
|
|
aDN.Reverse();
|
|
}
|
|
//
|
|
aTolE=BRep_Tool::Tolerance(aE);
|
|
aDB = aDN^aDTgt;
|
|
//
|
|
// do not try to look for the point in the small face by intersecting
|
|
// it with the circle because, most likely, the intersection point will
|
|
// be out of the face
|
|
Standard_Boolean bFound = !theSmallFaces &&
|
|
FindPointInFace(aF, aP, aDB, aPx, theContext, aProjPL, aDt, aTolE);
|
|
if (!bFound) {
|
|
// if the first method did not succeed, try to use hatcher to find the point
|
|
bFound = BOPTools_AlgoTools3D::GetApproxNormalToFaceOnEdge
|
|
(aE, aF, aT, aDt, aPx, aDN, theContext);
|
|
aProjPL.Perform(aPx);
|
|
aPx = aProjPL.NearestPoint();
|
|
gp_Vec aVec(aP, aPx);
|
|
aDB.SetXYZ(aVec.XYZ());
|
|
}
|
|
//
|
|
return bFound;
|
|
}
|
|
//=======================================================================
|
|
//function : FindPointInFace
|
|
//purpose : Find a point in the face in direction of <aDB>.
|
|
// To get this point the method intersects the circle with radius
|
|
// <aDt> built in point <aP> with normal perpendicular to <aDB>.
|
|
//=======================================================================
|
|
Standard_Boolean FindPointInFace(const TopoDS_Face& aF,
|
|
const gp_Pnt& aP,
|
|
gp_Dir& aDB,
|
|
gp_Pnt& aPOut,
|
|
Handle(IntTools_Context)& theContext,
|
|
GeomAPI_ProjectPointOnSurf& aProjPL,
|
|
const Standard_Real aDt,
|
|
const Standard_Real aTolE)
|
|
{
|
|
Standard_Integer aNbItMax;
|
|
Standard_Real aDist, aDTol, aPM, anEps;
|
|
Standard_Boolean bRet;
|
|
gp_Pnt aP1, aPS;
|
|
//
|
|
aDTol = Precision::Angular();
|
|
aPM = aP.XYZ().Modulus();
|
|
if (aPM > 1000.) {
|
|
aDTol = 5.e-16 * aPM;
|
|
}
|
|
bRet = Standard_False;
|
|
aNbItMax = 15;
|
|
anEps = Precision::SquareConfusion();
|
|
//
|
|
GeomAPI_ProjectPointOnSurf& aProj=theContext->ProjPS(aF);
|
|
//
|
|
aPS=aP;
|
|
aProj.Perform(aPS);
|
|
if (!aProj.IsDone()) {
|
|
return bRet;
|
|
}
|
|
aPS=aProj.NearestPoint();
|
|
aProjPL.Perform(aPS);
|
|
aPS=aProjPL.NearestPoint();
|
|
//
|
|
aPS.SetXYZ(aPS.XYZ()+2.*aTolE*aDB.XYZ());
|
|
aProj.Perform(aPS);
|
|
if (!aProj.IsDone()) {
|
|
return bRet;
|
|
}
|
|
aPS=aProj.NearestPoint();
|
|
aProjPL.Perform(aPS);
|
|
aPS=aProjPL.NearestPoint();
|
|
//
|
|
do {
|
|
aP1.SetXYZ(aPS.XYZ()+aDt*aDB.XYZ());
|
|
//
|
|
aProj.Perform(aP1);
|
|
if (!aProj.IsDone()) {
|
|
return bRet;
|
|
}
|
|
aPOut = aProj.NearestPoint();
|
|
aDist = aProj.LowerDistance();
|
|
//
|
|
aProjPL.Perform(aPOut);
|
|
aPOut = aProjPL.NearestPoint();
|
|
//
|
|
gp_Vec aV(aPS, aPOut);
|
|
if (aV.SquareMagnitude() < anEps) {
|
|
return bRet;
|
|
}
|
|
aDB.SetXYZ(aV.XYZ());
|
|
} while (aDist > aDTol && --aNbItMax);
|
|
//
|
|
bRet = aDist < aDTol;
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
//function : MinStep3D
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Real MinStep3D(const TopoDS_Edge& theE1,
|
|
const TopoDS_Face& theF1,
|
|
const BOPTools_ListOfCoupleOfShape& theLCS,
|
|
const gp_Pnt& aP,
|
|
Handle(IntTools_Context)& theContext,
|
|
Standard_Boolean& theSmallFaces)
|
|
{
|
|
Standard_Real aDt, aTolE, aTolF, aDtMax, aDtMin;
|
|
//
|
|
// add the current pair of edge/face for checking as well
|
|
BOPTools_CoupleOfShape aCS1;
|
|
aCS1.SetShape1(theE1);
|
|
aCS1.SetShape2(theF1);
|
|
//
|
|
BOPTools_ListOfCoupleOfShape aLCS = theLCS;
|
|
aLCS.Append(aCS1);
|
|
//
|
|
aTolE = BRep_Tool::Tolerance(theE1);
|
|
aDtMax = -1.;
|
|
aDtMin = 5.e-6;
|
|
//
|
|
BOPTools_ListIteratorOfListOfCoupleOfShape aIt(aLCS);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const BOPTools_CoupleOfShape& aCS = aIt.Value();
|
|
const TopoDS_Face& aF = (*(TopoDS_Face*)(&aCS.Shape2()));
|
|
//
|
|
aTolF = BRep_Tool::Tolerance(aF);
|
|
aDt = 2*(aTolE + aTolF);
|
|
if (aDt > aDtMax) {
|
|
aDtMax = aDt;
|
|
}
|
|
//
|
|
// try to compute the minimal 3D step
|
|
const BRepAdaptor_Surface& aBAS = theContext->SurfaceAdaptor(aF);
|
|
Standard_Real aR = 0.;
|
|
GeomAbs_SurfaceType aSType = aBAS.GetType();
|
|
switch (aSType) {
|
|
case GeomAbs_Cylinder: {
|
|
aR = aBAS.Cylinder().Radius();
|
|
break;
|
|
}
|
|
case GeomAbs_Cone: {
|
|
gp_Lin aL(aBAS.Cone().Axis());
|
|
aR = aL.Distance(aP);
|
|
break;
|
|
}
|
|
case GeomAbs_Sphere: {
|
|
aDtMin = Max(aDtMin, 5.e-4);
|
|
aR = aBAS.Sphere().Radius();
|
|
break;
|
|
}
|
|
case GeomAbs_Torus: {
|
|
aR = aBAS.Torus().MajorRadius();
|
|
break;
|
|
}
|
|
default:
|
|
aDtMin = Max(aDtMin, 5.e-4);
|
|
break;
|
|
}
|
|
//
|
|
if (aR > 100.) {
|
|
Standard_Real d = 10*Precision::PConfusion();
|
|
aDtMin = Max(aDtMin, sqrt(d*d + 2*d*aR));
|
|
}
|
|
}
|
|
//
|
|
if (aDtMax < aDtMin) {
|
|
aDtMax = aDtMin;
|
|
}
|
|
//
|
|
// check if the computed 3D step is too big for any of the faces in the list
|
|
aIt.Initialize(aLCS);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const BOPTools_CoupleOfShape& aCS = aIt.Value();
|
|
const TopoDS_Face& aF = (*(TopoDS_Face*)(&aCS.Shape2()));
|
|
//
|
|
const BRepAdaptor_Surface& aBAS = theContext->SurfaceAdaptor(aF);
|
|
//
|
|
Standard_Real aUMin, aUMax, aVMin, aVMax;
|
|
theContext->UVBounds(aF, aUMin, aUMax, aVMin, aVMax);
|
|
//
|
|
Standard_Real aDU = aUMax - aUMin;
|
|
if (aDU > 0.) {
|
|
Standard_Real aURes = aBAS.UResolution(aDtMax);
|
|
if (2*aURes > aDU) {
|
|
break;
|
|
}
|
|
}
|
|
//
|
|
Standard_Real aDV = aVMax - aVMin;
|
|
if (aDV > 0.) {
|
|
Standard_Real aVRes = aBAS.VResolution(aDtMax);
|
|
if (2*aVRes > aDV) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
//
|
|
theSmallFaces = aIt.More();
|
|
//
|
|
return aDtMax;
|
|
}
|
|
//=======================================================================
|
|
//function : IsOpenShell
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsOpenShell(const TopoDS_Shell& aSh)
|
|
{
|
|
Standard_Boolean bRet;
|
|
Standard_Integer i, aNbE, aNbF;
|
|
TopAbs_Orientation aOrF;
|
|
BOPCol_IndexedDataMapOfShapeListOfShape aMEF;
|
|
BOPCol_ListIteratorOfListOfShape aItLS;
|
|
//
|
|
bRet=Standard_False;
|
|
//
|
|
BOPTools::MapShapesAndAncestors(aSh, TopAbs_EDGE, TopAbs_FACE, aMEF);
|
|
//
|
|
aNbE=aMEF.Extent();
|
|
for (i=1; i<=aNbE; ++i) {
|
|
const TopoDS_Edge& aE=*((TopoDS_Edge*)&aMEF.FindKey(i));
|
|
if (BRep_Tool::Degenerated(aE)) {
|
|
continue;
|
|
}
|
|
//
|
|
aNbF=0;
|
|
const BOPCol_ListOfShape& aLF=aMEF(i);
|
|
aItLS.Initialize(aLF);
|
|
for (; aItLS.More(); aItLS.Next()) {
|
|
const TopoDS_Shape& aF=aItLS.Value();
|
|
aOrF=aF.Orientation();
|
|
if (aOrF==TopAbs_INTERNAL || aOrF==TopAbs_EXTERNAL) {
|
|
continue;
|
|
}
|
|
++aNbF;
|
|
}
|
|
//
|
|
if (aNbF==1) {
|
|
bRet=!bRet; // True
|
|
break;
|
|
}
|
|
}
|
|
//
|
|
return bRet;
|
|
}
|
|
//=======================================================================
|
|
//function : IsInvertedSolid
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean BOPTools_AlgoTools::IsInvertedSolid
|
|
(const TopoDS_Solid& aSolid)
|
|
{
|
|
Standard_Real aTolS;
|
|
TopAbs_State aState;
|
|
BRepClass3d_SolidClassifier aSC(aSolid);
|
|
//
|
|
aTolS=1.e-7;
|
|
aSC.PerformInfinitePoint(aTolS);
|
|
aState=aSC.State();
|
|
return (aState==TopAbs_IN);
|
|
}
|