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36f4947b8d
class: BOPAlgo_Algo method: void BOPAlgo_Algo::SetProgressIndicator (const Handle(Message_ProgressIndicator)& theObj) Purpose: Set the Progress Indicator object <theObj>. method: void BOPAlgo_Algo::UserBreak() const Purpose: Breaks the execution if the break signal is indicated.
685 lines
18 KiB
C++
685 lines
18 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 <BOPAlgo_PaveFiller.ixx>
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#include <NCollection_IncAllocator.hxx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <BRepBndLib.hxx>
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#include <BRep_Tool.hxx>
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#include <BRep_Builder.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom2d_Curve.hxx>
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#include <BOPCol_NCVector.hxx>
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#include <BOPCol_TBB.hxx>
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#include <BOPCol_MapOfShape.hxx>
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#include <BOPDS_VectorOfListOfPaveBlock.hxx>
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#include <BOPDS_ListOfPaveBlock.hxx>
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#include <BOPDS_PaveBlock.hxx>
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#include <BOPDS_CommonBlock.hxx>
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#include <BOPDS_Pave.hxx>
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#include <BOPDS_ShapeInfo.hxx>
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#include <BOPDS_MapOfPaveBlock.hxx>
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#include <BOPDS_VectorOfInterfFF.hxx>
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#include <BOPDS_Interf.hxx>
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#include <BOPDS_VectorOfCurve.hxx>
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#include <BOPDS_VectorOfFaceInfo.hxx>
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#include <BOPDS_FaceInfo.hxx>
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#include <BOPDS_MapOfPaveBlock.hxx>
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#include <BOPDS_Curve.hxx>
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#include <BOPDS_Iterator.hxx>
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#include <BOPTools_AlgoTools.hxx>
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#include <BOPTools_AlgoTools2D.hxx>
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static
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Standard_Boolean IsBasedOnPlane(const TopoDS_Face& aF);
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static void UpdateVertices(const TopoDS_Edge& aE,
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const TopoDS_Face& aF);
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//=======================================================================
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//class : BOPAlgo_SplitEdge
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//purpose :
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//=======================================================================
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class BOPAlgo_SplitEdge : public BOPAlgo_Algo {
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public:
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DEFINE_STANDARD_ALLOC
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BOPAlgo_SplitEdge() :
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BOPAlgo_Algo() {
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myT1=0.;
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myT2=0.;
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}
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//
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virtual ~BOPAlgo_SplitEdge() {
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}
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//
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void SetData(const TopoDS_Edge& aE,
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const TopoDS_Vertex& aV1,
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const Standard_Real aT1,
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const TopoDS_Vertex& aV2,
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const Standard_Real aT2) {
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myE=aE;
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myV1=aV1;
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myT1=aT1;
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myV2=aV2;
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myT2=aT2;
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myESp=aE;
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}
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//
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void SetPaveBlock(const Handle(BOPDS_PaveBlock)& aPB) {
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myPB=aPB;
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}
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//
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Handle(BOPDS_PaveBlock)& PaveBlock() {
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return myPB;
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}
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//
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void SetCommonBlock(const Handle(BOPDS_CommonBlock)& aCB) {
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myCB=aCB;
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}
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//
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Handle(BOPDS_CommonBlock)& CommonBlock() {
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return myCB;
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}
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//
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const TopoDS_Edge& SplitEdge() const {
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return myESp;
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}
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//
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const Bnd_Box Box() {
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return myBox;
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}
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//
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virtual void Perform () {
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BOPAlgo_Algo::UserBreak();
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BOPTools_AlgoTools::MakeSplitEdge(myE,
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myV1, myT1,
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myV2, myT2,
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myESp);
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BRepBndLib::Add(myESp, myBox);
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}
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//
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protected:
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// ->
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TopoDS_Edge myE;
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TopoDS_Vertex myV1;
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Standard_Real myT1;
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TopoDS_Vertex myV2;
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Standard_Real myT2;
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// <->
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Handle(BOPDS_PaveBlock) myPB;
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Handle(BOPDS_CommonBlock) myCB;
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// <-
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TopoDS_Edge myESp;
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Bnd_Box myBox;
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};
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//
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//=======================================================================
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typedef BOPCol_NCVector
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<BOPAlgo_SplitEdge> BOPAlgo_VectorOfSplitEdge;
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//
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typedef BOPCol_TBBFunctor
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<BOPAlgo_SplitEdge,
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BOPAlgo_VectorOfSplitEdge> BOPAlgo_SplitEdgeFunctor;
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//
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typedef BOPCol_TBBCnt
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<BOPAlgo_SplitEdgeFunctor,
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BOPAlgo_VectorOfSplitEdge> BOPAlgo_SplitEdgeCnt;
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//
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//=======================================================================
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//class : BOPAlgo_MPC
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//purpose :
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//=======================================================================
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class BOPAlgo_MPC : public BOPAlgo_Algo {
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public:
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DEFINE_STANDARD_ALLOC
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BOPAlgo_MPC() :
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BOPAlgo_Algo(),
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myFlag(Standard_False) {
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};
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//
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virtual ~BOPAlgo_MPC(){
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};
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//
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void SetEdge(const TopoDS_Edge& aE) {
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myE=aE;
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}
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//
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const TopoDS_Edge& Edge() const {
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return myE;
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}
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//
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void SetFace(const TopoDS_Face& aF) {
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myF=aF;
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}
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//
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const TopoDS_Face& Face() const {
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return myF;
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}
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//
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void SetFlag(const Standard_Boolean bFlag) {
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myFlag=bFlag;
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}
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//
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Standard_Boolean Flag() const {
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return myFlag;
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}
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//
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virtual void Perform() {
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BOPAlgo_Algo::UserBreak();
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BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace(myE, myF);
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if (myFlag) {
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UpdateVertices(myE, myF);
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}
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}
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//
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protected:
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Standard_Boolean myFlag;
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TopoDS_Edge myE;
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TopoDS_Face myF;
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};
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//
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//=======================================================================
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typedef BOPCol_NCVector
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<BOPAlgo_MPC> BOPAlgo_VectorOfMPC;
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//
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typedef BOPCol_TBBFunctor
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<BOPAlgo_MPC,
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BOPAlgo_VectorOfMPC> BOPAlgo_MPCFunctor;
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//
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typedef BOPCol_TBBCnt
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<BOPAlgo_MPCFunctor,
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BOPAlgo_VectorOfMPC> BOPAlgo_MPCCnt;
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//
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//=======================================================================
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//class : BOPAlgo_BPC
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//purpose :
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//=======================================================================
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class BOPAlgo_BPC {
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public:
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BOPAlgo_BPC(){
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};
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//
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~BOPAlgo_BPC(){
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};
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//
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void SetFace(const TopoDS_Face& aF) {
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myF=aF;
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}
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//
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void SetEdge(const TopoDS_Edge& aE) {
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myE=aE;
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}
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//
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void Perform() {
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BOPTools_AlgoTools2D::BuildPCurveForEdgeOnPlane (myE, myF);
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};
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//
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protected:
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TopoDS_Edge myE;
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TopoDS_Face myF;
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};
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//=======================================================================
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typedef BOPCol_NCVector
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<BOPAlgo_BPC> BOPAlgo_VectorOfBPC;
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//
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typedef BOPCol_TBBFunctor
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<BOPAlgo_BPC,
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BOPAlgo_VectorOfBPC> BOPAlgo_BPCFunctor;
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//
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typedef BOPCol_TBBCnt
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<BOPAlgo_BPCFunctor,
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BOPAlgo_VectorOfBPC> BOPAlgo_BPCCnt;
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//
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//
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//=======================================================================
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// function: MakeSplitEdges
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// purpose:
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//=======================================================================
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void BOPAlgo_PaveFiller::MakeSplitEdges()
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{
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Standard_Integer aNbPBP;
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//
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myErrorStatus=0;
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//
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BOPDS_VectorOfListOfPaveBlock& aPBP=myDS->ChangePaveBlocksPool();
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aNbPBP=aPBP.Extent();
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if(!aNbPBP) {
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return;
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}
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//
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Standard_Boolean bCB, bV1, bV2;
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Standard_Integer i, nE, nV1, nV2, nSp, aNbPB, aNbVBSE, k;
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Standard_Real aT1, aT2;
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BOPDS_ListIteratorOfListOfPaveBlock aItPB, aItPBCB;
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Handle(BOPDS_PaveBlock) aPB;
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BOPDS_MapOfPaveBlock aMPB(100);
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TopoDS_Vertex aV1, aV2;
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TopoDS_Edge aE;
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BOPAlgo_VectorOfSplitEdge aVBSE;
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//
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for (i=0; i<aNbPBP; ++i) {
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BOPDS_ListOfPaveBlock& aLPB=aPBP(i);
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//
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aNbPB=aLPB.Extent();
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if (aNbPB==1) {
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aPB=aLPB.First();
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aPB->Indices(nV1, nV2);
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bV1=myDS->IsNewShape(nV1);
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bV2=myDS->IsNewShape(nV2);
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//
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if (!(bV1 || bV2)) {
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nE=aPB->OriginalEdge();
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aPB->SetEdge(nE);
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continue;
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}
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}
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//
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aItPB.Initialize(aLPB);
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for (; aItPB.More(); aItPB.Next()) {
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aPB=aItPB.Value();
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const Handle(BOPDS_CommonBlock)& aCB=myDS->CommonBlock(aPB);
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bCB=!aCB.IsNull();
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if (bCB) {
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myDS->SortPaveBlocks(aCB);
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aPB=aCB->PaveBlock1();
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}
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//
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if (aMPB.Add(aPB)) {
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nE=aPB->OriginalEdge();
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aPB->Indices(nV1, nV2);
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aPB->Range(aT1, aT2);
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//
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aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
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aE.Orientation(TopAbs_FORWARD);
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//
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aV1=(*(TopoDS_Vertex *)(&myDS->Shape(nV1)));
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aV1.Orientation(TopAbs_FORWARD);
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//
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aV2=(*(TopoDS_Vertex *)(&myDS->Shape(nV2)));
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aV2.Orientation(TopAbs_REVERSED);
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//
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BOPAlgo_SplitEdge& aBSE=aVBSE.Append1();
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//
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aBSE.SetData(aE, aV1, aT1, aV2, aT2);
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aBSE.SetPaveBlock(aPB);
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if (bCB) {
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aBSE.SetCommonBlock(aCB);
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}
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aBSE.SetProgressIndicator(myProgressIndicator);
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}
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} // for (; aItPB.More(); aItPB.Next()) {
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} // for (i=0; i<aNbPBP; ++i) {
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//
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aNbVBSE=aVBSE.Extent();
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//======================================================
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BOPAlgo_SplitEdgeCnt::Perform(myRunParallel, aVBSE);
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//======================================================
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//
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BOPDS_ShapeInfo aSI;
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//
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aSI.SetShapeType(TopAbs_EDGE);
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//
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for (k=0; k < aNbVBSE; ++k) {
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BOPAlgo_SplitEdge& aBSE=aVBSE(k);
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//
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const TopoDS_Edge& aSp=aBSE.SplitEdge();
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const Bnd_Box& aBox=aBSE.Box();
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//
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Handle(BOPDS_PaveBlock) aPBk=aBSE.PaveBlock();
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Handle(BOPDS_CommonBlock)& aCBk=aBSE.CommonBlock();
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//
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aSI.SetShape(aSp);
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aSI.ChangeBox()=aBox;
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//
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nSp=myDS->Append(aSI);
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//
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if (!aCBk.IsNull()) {
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aCBk->SetEdge(nSp);
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}
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else {
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aPBk->SetEdge(nSp);
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}
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}
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}
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//=======================================================================
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// function: SplitEdge
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// purpose:
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//=======================================================================
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Standard_Integer BOPAlgo_PaveFiller::SplitEdge(const Standard_Integer nE,
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const Standard_Integer nV1,
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const Standard_Real aT1,
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const Standard_Integer nV2,
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const Standard_Real aT2)
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{
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Standard_Integer nSp;
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TopoDS_Vertex aV1, aV2;
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TopoDS_Edge aE, aSp;
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BOPDS_ShapeInfo aSI;
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//
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aSI.SetShapeType(TopAbs_EDGE);
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//
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aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
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aE.Orientation(TopAbs_FORWARD);
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//
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aV1=(*(TopoDS_Vertex *)(&myDS->Shape(nV1)));
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aV1.Orientation(TopAbs_FORWARD);
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//
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aV2=(*(TopoDS_Vertex *)(&myDS->Shape(nV2)));
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aV2.Orientation(TopAbs_REVERSED);
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//
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BOPTools_AlgoTools::MakeSplitEdge(aE, aV1, aT1, aV2, aT2, aSp);
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//
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aSI.SetShape(aSp);
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//
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Bnd_Box& aBox=aSI.ChangeBox();
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BRepBndLib::Add(aSp, aBox);
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//
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nSp=myDS->Append(aSI);
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return nSp;
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}
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//=======================================================================
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// function: MakePCurves
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// purpose:
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//=======================================================================
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void BOPAlgo_PaveFiller::MakePCurves()
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{
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Standard_Integer i, nF1, nF2, aNbC, k, nE, aNbFF, aNbFI;
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BOPDS_ListIteratorOfListOfPaveBlock aItLPB;
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BOPDS_MapIteratorOfMapOfPaveBlock aItMPB;
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TopoDS_Face aF1F, aF2F;
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BOPAlgo_VectorOfMPC aVMPC;
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//
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myErrorStatus=0;
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//
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// 1. Process Common Blocks
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const BOPDS_VectorOfFaceInfo& aFIP=myDS->FaceInfoPool();
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//
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aNbFI=aFIP.Extent();
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for (i=0; i<aNbFI; ++i) {
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const BOPDS_FaceInfo& aFI=aFIP(i);
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nF1=aFI.Index();
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//
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aF1F=(*(TopoDS_Face *)(&myDS->Shape(nF1)));
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aF1F.Orientation(TopAbs_FORWARD);
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// In
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const BOPDS_IndexedMapOfPaveBlock& aMPBIn=aFI.PaveBlocksIn();
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aItMPB.Initialize(aMPBIn);
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for(; aItMPB.More(); aItMPB.Next()) {
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const Handle(BOPDS_PaveBlock)& aPB=aItMPB.Value();
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nE=aPB->Edge();
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const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
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//
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BOPAlgo_MPC& aMPC=aVMPC.Append1();
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aMPC.SetEdge(aE);
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aMPC.SetFace(aF1F);
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aMPC.SetProgressIndicator(myProgressIndicator);
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}
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//
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// On
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const BOPDS_IndexedMapOfPaveBlock& aMPBOn=aFI.PaveBlocksOn();
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aItMPB.Initialize(aMPBOn);
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for(; aItMPB.More(); aItMPB.Next()) {
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const Handle(BOPDS_PaveBlock)& aPB=aItMPB.Value();
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if (myDS->IsCommonBlockOnEdge(aPB)) {
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nE=aPB->Edge();
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const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
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//
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BOPAlgo_MPC& aMPC=aVMPC.Append1();
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aMPC.SetEdge(aE);
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aMPC.SetFace(aF1F);
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aMPC.SetProgressIndicator(myProgressIndicator);
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}
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}
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}// for (i=0; i<aNbFI; ++i) {
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//
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// 2. Process section edges
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Standard_Boolean bPCurveOnS[2];
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Standard_Integer m;
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TopoDS_Face aFf[2];
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//
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bPCurveOnS[0]=mySectionAttribute.PCurveOnS1();
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bPCurveOnS[1]=mySectionAttribute.PCurveOnS2();
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//
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if (bPCurveOnS[0] || bPCurveOnS[1]) {
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BOPDS_VectorOfInterfFF& aFFs=myDS->InterfFF();
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aNbFF=aFFs.Extent();
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for (i=0; i<aNbFF; ++i) {
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const BOPDS_InterfFF& aFF=aFFs(i);
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aFF.Indices(nF1, nF2);
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//
|
|
aFf[0]=(*(TopoDS_Face *)(&myDS->Shape(nF1)));
|
|
aFf[0].Orientation(TopAbs_FORWARD);
|
|
//
|
|
aFf[1]=(*(TopoDS_Face *)(&myDS->Shape(nF2)));
|
|
aFf[1].Orientation(TopAbs_FORWARD);
|
|
//
|
|
const BOPDS_VectorOfCurve& aVNC=aFF.Curves();
|
|
aNbC=aVNC.Extent();
|
|
for (k=0; k<aNbC; ++k) {
|
|
const BOPDS_Curve& aNC=aVNC(k);
|
|
const BOPDS_ListOfPaveBlock& aLPB=aNC.PaveBlocks();
|
|
aItLPB.Initialize(aLPB);
|
|
for(; aItLPB.More(); aItLPB.Next()) {
|
|
const Handle(BOPDS_PaveBlock)& aPB=aItLPB.Value();
|
|
nE=aPB->Edge();
|
|
const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
|
|
//
|
|
for (m=0; m<2; ++m) {
|
|
if (bPCurveOnS[m]) {
|
|
BOPAlgo_MPC& aMPC=aVMPC.Append1();
|
|
aMPC.SetEdge(aE);
|
|
aMPC.SetFace(aFf[m]);
|
|
aMPC.SetFlag(bPCurveOnS[m]);
|
|
aMPC.SetProgressIndicator(myProgressIndicator);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}// for (i=0; i<aNbFF; ++i) {
|
|
}//if (bPCurveOnS1 || bPCurveOnS2 ) {
|
|
//
|
|
//======================================================
|
|
BOPAlgo_MPCCnt::Perform(myRunParallel, aVMPC);
|
|
//======================================================
|
|
}
|
|
//=======================================================================
|
|
// function: RefineFaceInfoOn
|
|
// purpose:
|
|
//=======================================================================
|
|
void BOPAlgo_PaveFiller::RefineFaceInfoOn()
|
|
{
|
|
Standard_Integer aNbPBP;
|
|
//
|
|
myErrorStatus=0;
|
|
//
|
|
BOPDS_VectorOfListOfPaveBlock& aPBP=myDS->ChangePaveBlocksPool();
|
|
aNbPBP=aPBP.Extent();
|
|
if(!aNbPBP) {
|
|
return;
|
|
}
|
|
//
|
|
Standard_Boolean bV1, bV2;
|
|
Standard_Integer i, nV1, nV2, aNbPB;
|
|
Handle(BOPDS_PaveBlock) aPB;
|
|
//
|
|
for (i=0; i<aNbPBP; ++i) {
|
|
BOPDS_ListOfPaveBlock& aLPB=aPBP(i);
|
|
//
|
|
aNbPB=aLPB.Extent();
|
|
if (aNbPB==1) {
|
|
aPB=aLPB.First();
|
|
aPB->Indices(nV1, nV2);
|
|
bV1=myDS->IsNewShape(nV1);
|
|
bV2=myDS->IsNewShape(nV2);
|
|
//
|
|
if (!(bV1 || bV2)) {
|
|
if (!myDS->IsCommonBlock(aPB)) {
|
|
// the PB seems to be untouced
|
|
aLPB.Clear();
|
|
continue;
|
|
}
|
|
}//if (!(bV1 || bV2)) {
|
|
}//if (aNbPB==1) {
|
|
}//for (i=0; i<aNbPBP; ++i) {
|
|
myDS->RefineFaceInfoOn();
|
|
}
|
|
//=======================================================================
|
|
//function : UpdateVertices
|
|
//purpose : update tolerances of vertices comparing extremities of
|
|
// 3d and 2d curves
|
|
//=======================================================================
|
|
void UpdateVertices(const TopoDS_Edge& aE,
|
|
const TopoDS_Face& aF)
|
|
{
|
|
Standard_Integer j;
|
|
Standard_Real aT[2], aUx, aVx, aTolV2, aD2, aD;
|
|
gp_Pnt aP3D, aP3Dx;
|
|
gp_Pnt2d aP2Dx;
|
|
Handle(Geom_Surface) aS;
|
|
Handle(Geom_Curve) aC3D;
|
|
Handle(Geom2d_Curve) aC2D;
|
|
TopoDS_Edge aEf;
|
|
TopoDS_Vertex aV[2];
|
|
BRep_Builder aBB;
|
|
//
|
|
aEf=aE;
|
|
aEf.Orientation(TopAbs_FORWARD);
|
|
//
|
|
TopExp::Vertices(aEf, aV[0], aV[1]);
|
|
//
|
|
aS=BRep_Tool::Surface(aF);
|
|
aC3D=BRep_Tool::Curve(aEf, aT[0], aT[1]);
|
|
aC2D=BRep_Tool::CurveOnSurface(aEf, aF, aT[0], aT[1]);
|
|
//
|
|
for (j=0; j<2; ++j) {
|
|
aTolV2=BRep_Tool::Tolerance(aV[j]);
|
|
aTolV2=aTolV2*aTolV2;
|
|
//
|
|
aC3D->D0(aT[j], aP3D);
|
|
aC2D->D0(aT[j], aP2Dx);
|
|
aP2Dx.Coord(aUx, aVx);
|
|
aS->D0(aUx, aVx, aP3Dx);
|
|
aD2=aP3D.SquareDistance(aP3Dx);
|
|
if (aD2>aTolV2) {
|
|
aD=sqrt(aD2);
|
|
aBB.UpdateVertex(aV[j], aD);
|
|
}
|
|
}
|
|
}
|
|
//=======================================================================
|
|
// function: Prepare
|
|
// purpose:
|
|
//=======================================================================
|
|
void BOPAlgo_PaveFiller::Prepare()
|
|
{
|
|
TopAbs_ShapeEnum aType[] = {
|
|
TopAbs_VERTEX,
|
|
TopAbs_EDGE,
|
|
TopAbs_FACE
|
|
};
|
|
Standard_Boolean bJustAdd, bIsBasedOnPlane;
|
|
Standard_Integer i, aNb, n1, nF;
|
|
TopExp_Explorer aExp;
|
|
BOPCol_MapOfShape aMF;
|
|
BOPCol_MapIteratorOfMapOfShape aItMF;
|
|
//
|
|
myErrorStatus=0;
|
|
//
|
|
aNb=3;
|
|
for(i=0; i<aNb; ++i) {
|
|
myIterator->Initialize(aType[i], aType[2]);
|
|
for (; myIterator->More(); myIterator->Next()) {
|
|
myIterator->Value(n1, nF, bJustAdd);
|
|
const TopoDS_Face& aF=(*(TopoDS_Face *)(&myDS->Shape(nF)));
|
|
//
|
|
bIsBasedOnPlane=IsBasedOnPlane(aF);
|
|
if (bIsBasedOnPlane) {
|
|
aMF.Add(aF);
|
|
}
|
|
}
|
|
}
|
|
//
|
|
if (aMF.IsEmpty()) {
|
|
return;
|
|
}
|
|
//
|
|
BOPAlgo_VectorOfBPC aVBPC;
|
|
//
|
|
aItMF.Initialize(aMF);
|
|
for (; aItMF.More(); aItMF.Next()) {
|
|
const TopoDS_Face& aF=*((TopoDS_Face *)&aItMF.Key());
|
|
aExp.Init(aF, aType[1]);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Edge& aE=*((TopoDS_Edge *)&aExp.Current());
|
|
BOPAlgo_BPC& aBPC=aVBPC.Append1();
|
|
aBPC.SetEdge(aE);
|
|
aBPC.SetFace(aF);
|
|
}
|
|
}
|
|
//
|
|
//======================================================
|
|
BOPAlgo_BPCCnt::Perform(myRunParallel, aVBPC);
|
|
//======================================================
|
|
}
|
|
//=======================================================================
|
|
//function : IsBasedOnPlane
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean IsBasedOnPlane(const TopoDS_Face& aF)
|
|
{
|
|
TopLoc_Location aLoc;
|
|
Handle(Geom_RectangularTrimmedSurface) aGRTS;
|
|
Handle(Geom_Plane) aGP;
|
|
|
|
const Handle(Geom_Surface)& aS = BRep_Tool::Surface(aF, aLoc);
|
|
aGRTS = Handle(Geom_RectangularTrimmedSurface)::DownCast(aS);
|
|
if(!aGRTS.IsNull()) {
|
|
aGP = Handle(Geom_Plane)::DownCast(aGRTS->BasisSurface());
|
|
}
|
|
else {
|
|
aGP = Handle(Geom_Plane)::DownCast(aS);
|
|
}
|
|
//
|
|
return (!aGP.IsNull());
|
|
}
|