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842 lines
22 KiB
C++
Executable File
842 lines
22 KiB
C++
Executable File
// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// File: GEOMAlgo_BuilderSolid.cxx
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// Created:
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// Author: Peter KURNEV
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//
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#include <GEOMAlgo_BuilderSolid.ixx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Vec.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt.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 <TopAbs.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Compound.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepTools.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <TopTools_MapIteratorOfMapOfShape.hxx>
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#include <TopTools_MapOfOrientedShape.hxx>
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#include <TopTools_MapIteratorOfMapOfOrientedShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_DataMapOfShapeListOfShape.hxx>
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#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
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#include <IntTools_Context.hxx>
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#include <BOPTools_Tools2D.hxx>
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#include <BOPTools_Tools3D.hxx>
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#include <NMTTools_ListOfCoupleOfShape.hxx>
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#include <NMTTools_CoupleOfShape.hxx>
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#include <NMTTools_ListIteratorOfListOfCoupleOfShape.hxx>
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#include <GEOMAlgo_Tools3D.hxx>
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#include <GEOMAlgo_BuilderTools.hxx>
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//
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static
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Standard_Boolean IsGrowthShell(const TopoDS_Shape& ,
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const TopTools_IndexedMapOfShape& );
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static
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Standard_Boolean IsHole(const TopoDS_Shape& ,
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IntTools_PContext& );
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static
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Standard_Boolean IsInside(const TopoDS_Shape& ,
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const TopoDS_Shape& ,
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IntTools_PContext& );
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static
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void MakeInternalShells(const TopTools_MapOfShape& ,
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TopTools_ListOfShape& );
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//modified by NIZNHY-PKV Tue Aug 5 15:06:50 2008f
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static
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Standard_Boolean IsClosedShell(const TopoDS_Shell& theShell);
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//modified by NIZNHY-PKV Tue Aug 5 15:06:57 2008t
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//=======================================================================
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//function :
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//purpose :
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//=======================================================================
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GEOMAlgo_BuilderSolid::GEOMAlgo_BuilderSolid()
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:
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GEOMAlgo_BuilderArea()
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{
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}
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//=======================================================================
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//function : ~
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//purpose :
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//=======================================================================
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GEOMAlgo_BuilderSolid::~GEOMAlgo_BuilderSolid()
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{
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void GEOMAlgo_BuilderSolid::Perform()
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{
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myErrorStatus=0;
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//
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//
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TopoDS_Compound aC;
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BRep_Builder aBB;
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TopTools_ListIteratorOfListOfShape aIt;
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aBB.MakeCompound(aC);
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aIt.Initialize(myShapes);
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for(; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aF=aIt.Value();
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aBB.Add(aC, aF);
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}
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//
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//
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if (myContext==NULL) {
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myErrorStatus=11;// Null Context
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return;
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}
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//
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PerformShapesToAvoid();
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if (myErrorStatus) {
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return;
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}
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//
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PerformLoops();
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if (myErrorStatus) {
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return;
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}
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PerformAreas();
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if (myErrorStatus) {
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return;
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}
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PerformInternalShapes();
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if (myErrorStatus) {
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return;
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}
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}
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//=======================================================================
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//function :PerformShapesToAvoid
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//purpose :
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//=======================================================================
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void GEOMAlgo_BuilderSolid::PerformShapesToAvoid()
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{
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Standard_Boolean bFound;
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Standard_Integer i, iCnt, aNbE, aNbF;
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TopAbs_Orientation aOrE;
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TopTools_IndexedDataMapOfShapeListOfShape aMEF;
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TopTools_ListIteratorOfListOfShape aIt;
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//
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myShapesToAvoid.Clear();
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//
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iCnt=0;
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while (1) {
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++iCnt;
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bFound=Standard_False;
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//
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// 1. MEF
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aMEF.Clear();
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aIt.Initialize (myShapes);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aF=aIt.Value();
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if (!myShapesToAvoid.Contains(aF)) {
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TopExp::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF);
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}
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else {
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int a=0;
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}
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}
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aNbE=aMEF.Extent();
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//
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// 2. myFacesToAvoid
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for (i=1; i<=aNbE; ++i) {
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const TopoDS_Edge& aE=TopoDS::Edge(aMEF.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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TopTools_ListOfShape& aLF=aMEF.ChangeFromKey(aE);
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//
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aNbF=aLF.Extent();
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if (!aNbF) {
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continue;
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}
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//
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aOrE=aE.Orientation();
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//
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const TopoDS_Face& aF1=TopoDS::Face(aLF.First());
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if (aNbF==1) {
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if (aOrE==TopAbs_INTERNAL) {
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continue;
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}
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bFound=Standard_True;
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myShapesToAvoid.Add(aF1);
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}
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else if (aNbF==2) {
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const TopoDS_Face& aF2=TopoDS::Face(aLF.Last());
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if (aF2.IsSame(aF1)) {
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if (BRep_Tool::IsClosed(aE, aF1)) {
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continue;
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}
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//
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if (aOrE==TopAbs_INTERNAL) {
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continue;
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}
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//
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bFound=Standard_True;
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myShapesToAvoid.Add(aF1);
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myShapesToAvoid.Add(aF2);
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}
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}
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//DEB
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else {
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TopTools_ListIteratorOfListOfShape aItLF;
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//
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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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int a=0;
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}
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}
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//DEB
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}// for (i=1; i<=aNbE; ++i) {
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//
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if (!bFound) {
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break;
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}
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//
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}//while (1)
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}
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//=======================================================================
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//function : PerformLoops
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//purpose :
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//=======================================================================
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void GEOMAlgo_BuilderSolid::PerformLoops()
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{
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myErrorStatus=0;
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//
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myLoops.Clear();
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//
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Standard_Integer aNbLF, aNbOff, aNbFP, aNbFA;
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TopAbs_Orientation anOr;
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TopoDS_Edge aEL;
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BRep_Builder aBB;
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NMTTools_CoupleOfShape aCSOff;
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TopTools_MapOfOrientedShape AddedFacesMap;//, aMFP;
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TopTools_IndexedDataMapOfShapeListOfShape aEFMap, aMEFP;
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TopTools_ListIteratorOfListOfShape aItF, aIt;
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TopTools_MapIteratorOfMapOfOrientedShape aItM;
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TopoDS_Iterator aItS;
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//
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//=================================================
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//
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// 1. Shells Usual
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//
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aItF.Initialize (myShapes);
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for (; aItF.More(); aItF.Next()) {
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const TopoDS_Shape& aFF = aItF.Value();
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TopExp::MapShapesAndAncestors(aFF, TopAbs_EDGE, TopAbs_FACE, aEFMap);
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}
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//
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aItF.Initialize (myShapes);
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for (; aItF.More(); aItF.Next()) {
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const TopoDS_Shape& aFF = aItF.Value();
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if (myShapesToAvoid.Contains(aFF)) {
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continue;
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}
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if (!AddedFacesMap.Add(aFF)) {
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continue;
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}
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//
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// make a new shell
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TopoDS_Shell aShell;
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aBB.MakeShell(aShell);
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aBB.Add(aShell, aFF);
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//
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aMEFP.Clear();
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TopExp::MapShapesAndAncestors(aFF, TopAbs_EDGE, TopAbs_FACE, aMEFP);
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//
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// loop on faces added to Shell; add their neighbor faces to Shell and so on
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TopoDS_Iterator aItAddedF (aShell);
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for (; aItAddedF.More(); aItAddedF.Next()) {
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const TopoDS_Face& aF = TopoDS::Face(aItAddedF.Value());
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//
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// loop on edges of aF; find a good neighbor face of aF by aE
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TopExp_Explorer aEdgeExp(aF, TopAbs_EDGE);
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for (; aEdgeExp.More(); aEdgeExp.Next()) {
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const TopoDS_Edge& aE = TopoDS::Edge(aEdgeExp.Current());
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//
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//1
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if (aMEFP.Contains(aE)) {
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const TopTools_ListOfShape& aLFP=aMEFP.FindFromKey(aE);
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aNbFP=aLFP.Extent();
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if (aNbFP>1) {
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continue;
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}
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}
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//2
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anOr=aE.Orientation();
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if (anOr==TopAbs_INTERNAL) {
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continue;
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}
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//3
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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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// candidate faces list
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const TopTools_ListOfShape& aLF=aEFMap.FindFromKey(aE);
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aNbLF=aLF.Extent();
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if (!aNbLF) {
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continue;
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}
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//
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// try to select one of neighbors
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// check if a face already added to Shell shares E
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Standard_Boolean bFound;
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TopTools_ListIteratorOfListOfShape aItLF;
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NMTTools_ListOfCoupleOfShape aLCSOff;
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//
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aItLF.Initialize(aLF);
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for (; aItLF.More(); aItLF.Next()) {
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const TopoDS_Face& aFL=TopoDS::Face(aItLF.Value());
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if (myShapesToAvoid.Contains(aFL)) {
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continue;
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}
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if (aF.IsSame(aFL)) {
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continue;
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}
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if (AddedFacesMap.Contains(aFL)){
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continue;
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}
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//
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bFound=GEOMAlgo_Tools3D::GetEdgeOff(aE, aFL, aEL);
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if (!bFound) {
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continue;
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}
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//
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aCSOff.SetShape1(aEL);
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aCSOff.SetShape2(aFL);
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aLCSOff.Append(aCSOff);
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}//for (; aItLF.More(); aItLF.Next()) {
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//
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aNbOff=aLCSOff.Extent();
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if (!aNbOff){
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continue;
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}
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//
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TopoDS_Face aSelF;
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if (aNbOff==1) {
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aSelF=TopoDS::Face(aLCSOff.First().Shape2());
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}
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else if (aNbOff>1){
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GEOMAlgo_Tools3D::GetFaceOff(aE, aF, aLCSOff, aSelF);
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}
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//
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if (!aSelF.IsNull() && AddedFacesMap.Add(aSelF)) {
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aBB.Add(aShell, aSelF);
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TopExp::MapShapesAndAncestors(aSelF, TopAbs_EDGE, TopAbs_FACE, aMEFP);
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}
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} // for (; aEdgeExp.More(); aEdgeExp.Next()) {
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} //for (; aItAddedF.More(); aItAddedF.Next()) {
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//modified by NIZNHY-PKV Tue Aug 5 15:07:08 2008f
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//myLoops.Append(aShell);
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if (IsClosedShell(aShell)) {
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myLoops.Append(aShell);
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}
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/*
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else {
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TopoDS_Iterator aItS;
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aItS.Initialize(aShell);
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for (; aItS.More(); aItS.Next()) {
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const TopoDS_Shape& aFs=aItS.Value();
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aMFP.Add(aFs);
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}
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}
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*/
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//modified by NIZNHY-PKV Tue Aug 5 15:07:30 2008t
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} // for (; aItF.More(); aItF.Next()) {
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//modified by NIZNHY-PKV Tue Aug 5 15:07:35 2008f
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//
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// Post Treatment
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TopTools_MapOfOrientedShape aMP;
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//
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// a. collect all edges that are in loops
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aIt.Initialize (myLoops);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aS=aIt.Value();
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aItS.Initialize(aS);
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for (; aItS.More(); aItS.Next()) {
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const TopoDS_Shape& aF=aItS.Value();
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aMP.Add(aF);
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}
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}
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//
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// b. collect all edges that are to avoid
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aItM.Initialize(myShapesToAvoid);
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for (; aItM.More(); aItM.Next()) {
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const TopoDS_Shape& aF=aItM.Key();
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aMP.Add(aF);
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}
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//
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// c. add all edges that are not processed to myShapesToAvoid
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aIt.Initialize (myShapes);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aF=aIt.Value();
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if (!aMP.Contains(aF)) {
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myShapesToAvoid.Add(aF);
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}
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}
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//modified by NIZNHY-PKV Tue Aug 5 15:07:44 2008t
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//=================================================
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//
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// 2.Internal Shells
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//
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myLoopsInternal.Clear();
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//
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aEFMap.Clear();
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AddedFacesMap.Clear();
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//
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aNbFA=myShapesToAvoid.Extent();
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//
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aItM.Initialize(myShapesToAvoid);
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for (; aItM.More(); aItM.Next()) {
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const TopoDS_Shape& aFF=aItM.Key();
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TopExp::MapShapesAndAncestors(aFF, TopAbs_EDGE, TopAbs_FACE, aEFMap);
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}
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//
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aItM.Initialize(myShapesToAvoid);
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for (; aItM.More(); aItM.Next()) {
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const TopoDS_Shape& aFF=aItM.Key();
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if (!AddedFacesMap.Add(aFF)) {
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continue;
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}
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//
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// make a new shell
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TopoDS_Shell aShell;
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aBB.MakeShell(aShell);
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aBB.Add(aShell, aFF);
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//
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TopoDS_Iterator aItAddedF (aShell);
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for (; aItAddedF.More(); aItAddedF.Next()) {
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const TopoDS_Face& aF = TopoDS::Face(aItAddedF.Value());
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//
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TopExp_Explorer aEdgeExp(aF, TopAbs_EDGE);
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for (; aEdgeExp.More(); aEdgeExp.Next()) {
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const TopoDS_Edge& aE = TopoDS::Edge(aEdgeExp.Current());
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const TopTools_ListOfShape& aLF=aEFMap.FindFromKey(aE);
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aItF.Initialize(aLF);
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for (; aItF.More(); aItF.Next()) {
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const TopoDS_Face& aFL=TopoDS::Face(aItF.Value());
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if (AddedFacesMap.Add(aFL)){
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aBB.Add(aShell, aFL);
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}
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}
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}
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}
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myLoopsInternal.Append(aShell);
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}
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}
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//=======================================================================
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//function : PerformAreas
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//purpose :
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//=======================================================================
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void GEOMAlgo_BuilderSolid::PerformAreas()
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{
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myErrorStatus=0;
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//
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Standard_Boolean bIsGrowthShell, bIsHole;
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TopTools_ListOfShape aNewSolids, aHoleShells;
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TopoDS_Shape anInfinitePointShape;
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TopTools_DataMapOfShapeShape aInOutMap;
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TopTools_DataMapOfShapeListOfShape aMSH;
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|
TopTools_DataMapIteratorOfDataMapOfShapeListOfShape aItMSH;
|
|
TopTools_ListIteratorOfListOfShape aShellIt, aSolidIt;
|
|
TopTools_IndexedMapOfShape aMHF;
|
|
BRep_Builder aBB;
|
|
//
|
|
myAreas.Clear();
|
|
//
|
|
// Draft solids [aNewSolids]
|
|
aShellIt.Initialize(myLoops);
|
|
for ( ; aShellIt.More(); aShellIt.Next()) {
|
|
const TopoDS_Shape& aShell = aShellIt.Value();
|
|
//
|
|
bIsGrowthShell=IsGrowthShell(aShell, aMHF);
|
|
if (bIsGrowthShell) {
|
|
// make a growth solid from a shell
|
|
TopoDS_Solid Solid;
|
|
aBB.MakeSolid(Solid);
|
|
aBB.Add (Solid, aShell);
|
|
//
|
|
aNewSolids.Append (Solid);
|
|
}
|
|
else{
|
|
// check if a shell is a hole
|
|
//XX
|
|
bIsHole=IsHole(aShell, myContext);
|
|
//bIsHole=GEOMAlgo_BuilderTools::IsHole(aShell);
|
|
//XX
|
|
if (bIsHole) {
|
|
aHoleShells.Append(aShell);
|
|
TopExp::MapShapes(aShell, TopAbs_FACE, aMHF);
|
|
}
|
|
else {
|
|
// make a growth solid from a shell
|
|
TopoDS_Solid Solid;
|
|
aBB.MakeSolid(Solid);
|
|
aBB.Add (Solid, aShell);
|
|
//
|
|
aNewSolids.Append (Solid);
|
|
}
|
|
}
|
|
}
|
|
//
|
|
// 2. Find outer growth shell that is most close to each hole shell
|
|
aShellIt.Initialize(aHoleShells);
|
|
for (; aShellIt.More(); aShellIt.Next()) {
|
|
const TopoDS_Shape& aHole = aShellIt.Value();
|
|
//
|
|
aSolidIt.Initialize(aNewSolids);
|
|
for ( ; aSolidIt.More(); aSolidIt.Next()) {
|
|
const TopoDS_Shape& aSolid = aSolidIt.Value();
|
|
//
|
|
if (!IsInside(aHole, aSolid, myContext)){
|
|
continue;
|
|
}
|
|
//
|
|
if ( aInOutMap.IsBound (aHole)){
|
|
const TopoDS_Shape& aSolid2 = aInOutMap(aHole);
|
|
if (IsInside(aSolid, aSolid2, myContext)) {
|
|
aInOutMap.UnBind(aHole);
|
|
aInOutMap.Bind (aHole, aSolid);
|
|
}
|
|
}
|
|
else{
|
|
aInOutMap.Bind (aHole, aSolid);
|
|
}
|
|
}
|
|
//
|
|
// Add aHole to a map Solid/ListOfHoles [aMSH]
|
|
if (aInOutMap.IsBound(aHole)){
|
|
const TopoDS_Shape& aSolid=aInOutMap(aHole);
|
|
if (aMSH.IsBound(aSolid)) {
|
|
TopTools_ListOfShape& aLH=aMSH.ChangeFind(aSolid);
|
|
aLH.Append(aHole);
|
|
}
|
|
else {
|
|
TopTools_ListOfShape aLH;
|
|
aLH.Append(aHole);
|
|
aMSH.Bind(aSolid, aLH);
|
|
}
|
|
//aBB.Add (aSolid, aHole);
|
|
}
|
|
}// for (; aShellIt.More(); aShellIt.Next()) {
|
|
//
|
|
// 3. Add aHoles to Solids
|
|
aItMSH.Initialize(aMSH);
|
|
for (; aItMSH.More(); aItMSH.Next()) {
|
|
TopoDS_Solid aSolid=TopoDS::Solid(aItMSH.Key());
|
|
//
|
|
const TopTools_ListOfShape& aLH=aItMSH.Value();
|
|
aShellIt.Initialize(aLH);
|
|
for (; aShellIt.More(); aShellIt.Next()) {
|
|
const TopoDS_Shape& aHole = aShellIt.Value();
|
|
aBB.Add (aSolid, aHole);
|
|
}
|
|
//
|
|
// update classifier
|
|
BRepClass3d_SolidClassifier& aSC=myContext->SolidClassifier(aSolid);
|
|
aSC.Load(aSolid);
|
|
//
|
|
}
|
|
//
|
|
// These aNewSolids are draft solids that
|
|
// do not contain any internal shapes
|
|
//
|
|
myAreas.Append(aNewSolids);
|
|
}
|
|
//=======================================================================
|
|
//function : PerformInternalShapes
|
|
//purpose :
|
|
//=======================================================================
|
|
void GEOMAlgo_BuilderSolid::PerformInternalShapes()
|
|
{
|
|
myErrorStatus=0;
|
|
//
|
|
Standard_Integer aNbFI=myLoopsInternal.Extent();
|
|
if (!aNbFI) {// nothing to do
|
|
return;
|
|
}
|
|
//
|
|
BRep_Builder aBB;
|
|
TopTools_ListIteratorOfListOfShape aShellIt, aSolidIt;
|
|
TopoDS_Iterator aIt;
|
|
TopTools_MapOfShape aMF, aMFP;
|
|
TopTools_MapIteratorOfMapOfShape aItMF;
|
|
TopTools_IndexedDataMapOfShapeListOfShape aMEF;
|
|
TopTools_ListOfShape aLSI;
|
|
//
|
|
// 1. All internal faces
|
|
aShellIt.Initialize(myLoopsInternal);
|
|
for (; aShellIt.More(); aShellIt.Next()) {
|
|
const TopoDS_Shape& aShell=aShellIt.Value();
|
|
aIt.Initialize(aShell);
|
|
for (; aIt.More(); aIt.Next()) {
|
|
const TopoDS_Shape& aF=aIt.Value();
|
|
aMF.Add(aF);
|
|
}
|
|
}
|
|
aNbFI=aMF.Extent();
|
|
//
|
|
// 2 Process solids
|
|
aSolidIt.Initialize(myAreas);
|
|
for ( ; aSolidIt.More(); aSolidIt.Next()) {
|
|
TopoDS_Solid& aSolid=TopoDS::Solid(aSolidIt.Value());
|
|
//
|
|
aMEF.Clear();
|
|
TopExp::MapShapesAndAncestors(aSolid, TopAbs_EDGE, TopAbs_FACE, aMEF);
|
|
//
|
|
// 2.1 Separate faces to process aMFP
|
|
aMFP.Clear();
|
|
aItMF.Initialize(aMF);
|
|
for (; aItMF.More(); aItMF.Next()) {
|
|
const TopoDS_Face& aF=TopoDS::Face(aItMF.Key());
|
|
if (GEOMAlgo_Tools3D::IsInternalFace(aF, aSolid, aMEF, 1.e-14, *myContext)) {
|
|
aMFP.Add(aF);
|
|
}
|
|
}
|
|
//
|
|
// 2.2 Make Internal Shells
|
|
aLSI.Clear();
|
|
MakeInternalShells(aMFP, aLSI);
|
|
//
|
|
// 2.3 Add them to aSolid
|
|
aShellIt.Initialize(aLSI);
|
|
for (; aShellIt.More(); aShellIt.Next()) {
|
|
const TopoDS_Shape& aSI=aShellIt.Value();
|
|
aBB.Add (aSolid, aSI);
|
|
}
|
|
//
|
|
// 2.4 Remove faces aMFP from aMF
|
|
aItMF.Initialize(aMFP);
|
|
for (; aItMF.More(); aItMF.Next()) {
|
|
const TopoDS_Shape& aF=aItMF.Key();
|
|
aMF.Remove(aF);
|
|
}
|
|
//
|
|
aNbFI=aMF.Extent();
|
|
if (!aNbFI) {
|
|
break;
|
|
}
|
|
} //for ( ; aSolidIt.More(); aSolidIt.Next()) {
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : MakeInternalShells
|
|
//purpose :
|
|
//=======================================================================
|
|
void MakeInternalShells(const TopTools_MapOfShape& theMF,
|
|
TopTools_ListOfShape& theShells)
|
|
{
|
|
TopTools_MapIteratorOfMapOfShape aItM;
|
|
TopTools_MapOfShape aAddedFacesMap;
|
|
TopTools_ListIteratorOfListOfShape aItF;
|
|
TopTools_IndexedDataMapOfShapeListOfShape aMEF;
|
|
BRep_Builder aBB;
|
|
//
|
|
aItM.Initialize(theMF);
|
|
for (; aItM.More(); aItM.Next()) {
|
|
const TopoDS_Shape& aF=aItM.Key();
|
|
TopExp::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_FACE, aMEF);
|
|
}
|
|
//
|
|
aItM.Initialize(theMF);
|
|
for (; aItM.More(); aItM.Next()) {
|
|
TopoDS_Shape aFF=aItM.Key();
|
|
if (!aAddedFacesMap.Add(aFF)) {
|
|
continue;
|
|
}
|
|
//
|
|
// make a new shell
|
|
TopoDS_Shell aShell;
|
|
aBB.MakeShell(aShell);
|
|
aFF.Orientation(TopAbs_INTERNAL);
|
|
aBB.Add(aShell, aFF);
|
|
//
|
|
TopoDS_Iterator aItAddedF (aShell);
|
|
for (; aItAddedF.More(); aItAddedF.Next()) {
|
|
const TopoDS_Shape& aF =aItAddedF.Value();
|
|
//
|
|
TopExp_Explorer aEdgeExp(aF, TopAbs_EDGE);
|
|
for (; aEdgeExp.More(); aEdgeExp.Next()) {
|
|
const TopoDS_Shape& aE =aEdgeExp.Current();
|
|
const TopTools_ListOfShape& aLF=aMEF.FindFromKey(aE);
|
|
aItF.Initialize(aLF);
|
|
for (; aItF.More(); aItF.Next()) {
|
|
TopoDS_Shape aFL=aItF.Value();
|
|
if (aAddedFacesMap.Add(aFL)){
|
|
aFL.Orientation(TopAbs_INTERNAL);
|
|
aBB.Add(aShell, aFL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
theShells.Append(aShell);
|
|
}
|
|
}
|
|
//=======================================================================
|
|
//function : IsHole
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean IsHole(const TopoDS_Shape& theS2,
|
|
IntTools_PContext& theContext)
|
|
{
|
|
TopoDS_Solid *pS2=(TopoDS_Solid *)&theS2;
|
|
BRepClass3d_SolidClassifier& aClsf=theContext->SolidClassifier(*pS2);
|
|
//
|
|
aClsf.PerformInfinitePoint(::RealSmall());
|
|
//
|
|
return (aClsf.State()==TopAbs_IN);
|
|
}
|
|
//=======================================================================
|
|
//function : IsInside
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean IsInside(const TopoDS_Shape& theS1,
|
|
const TopoDS_Shape& theS2,
|
|
IntTools_PContext& theContext)
|
|
{
|
|
TopExp_Explorer aExp;
|
|
TopAbs_State aState;
|
|
//
|
|
TopoDS_Solid *pS2=(TopoDS_Solid *)&theS2;
|
|
//
|
|
aExp.Init(theS1, TopAbs_FACE);
|
|
if (!aExp.More()){
|
|
BRepClass3d_SolidClassifier& aClsf=theContext->SolidClassifier(*pS2);
|
|
aClsf.PerformInfinitePoint(::RealSmall());
|
|
aState=aClsf.State();
|
|
}
|
|
else {
|
|
TopTools_IndexedMapOfShape aBounds;
|
|
const TopoDS_Face& aF = TopoDS::Face(aExp.Current());
|
|
aState=GEOMAlgo_Tools3D::ComputeState(aF, *pS2, 1.e-14, aBounds, *theContext);
|
|
}
|
|
return (aState==TopAbs_IN);
|
|
}
|
|
//=======================================================================
|
|
//function : IsGrowthShell
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean IsGrowthShell(const TopoDS_Shape& theShell,
|
|
const TopTools_IndexedMapOfShape& theMHF)
|
|
{
|
|
Standard_Boolean bRet;
|
|
TopoDS_Iterator aIt;
|
|
//
|
|
bRet=Standard_False;
|
|
if (theMHF.Extent()) {
|
|
aIt.Initialize(theShell);
|
|
for(; aIt.More(); aIt.Next()) {
|
|
const TopoDS_Shape& aF=aIt.Value();
|
|
if (theMHF.Contains(aF)) {
|
|
return !bRet;
|
|
}
|
|
}
|
|
}
|
|
return bRet;
|
|
}
|
|
//modified by NIZNHY-PKV Tue Aug 5 15:07:50 2008f
|
|
//=======================================================================
|
|
//function : IsClosedShell
|
|
//purpose :
|
|
//=======================================================================
|
|
Standard_Boolean IsClosedShell(const TopoDS_Shell& theShell)
|
|
{
|
|
Standard_Integer aNbE;
|
|
Standard_Boolean bRet;
|
|
TopoDS_Iterator aIt;
|
|
TopExp_Explorer aExp;
|
|
TopTools_MapOfShape aM;
|
|
//
|
|
bRet=Standard_False;
|
|
aIt.Initialize(theShell);
|
|
for(; aIt.More(); aIt.Next()) {
|
|
const TopoDS_Face& aF=TopoDS::Face(aIt.Value());
|
|
aExp.Init(aF, TopAbs_EDGE);
|
|
for (; aExp.More(); aExp.Next()) {
|
|
const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current());
|
|
if (BRep_Tool::Degenerated(aE)) {
|
|
continue;
|
|
}
|
|
/*
|
|
if (BRep_Tool::IsClosed(aE, aF)) {
|
|
continue;
|
|
}
|
|
*/
|
|
if (aE.Orientation()==TopAbs_INTERNAL) {
|
|
continue;
|
|
}
|
|
if (!aM.Add(aE)) {
|
|
aM.Remove(aE);
|
|
}
|
|
}
|
|
}
|
|
//
|
|
aNbE=aM.Extent();
|
|
if (!aNbE) {
|
|
bRet=!bRet;
|
|
}
|
|
return bRet;
|
|
}
|
|
//modified by NIZNHY-PKV Tue Aug 5 15:08:07 2008t
|
|
//BRepTools::Write(aFF, "ff");
|
|
//
|
|
// ErrorStatus :
|
|
// 11 - Null Context
|