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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// Created on: 1995-10-23
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// Created by: Yves FRICAUD
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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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 <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepAlgo_Tool.hxx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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//=======================================================================
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//function : Deboucle3D
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//purpose :
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//=======================================================================
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TopoDS_Shape BRepAlgo_Tool::Deboucle3D(const TopoDS_Shape& S,
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const TopTools_MapOfShape& Boundary)
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{
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TopoDS_Shape SS;
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switch ( S.ShapeType()) {
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case TopAbs_FACE:
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{
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}
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break;
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case TopAbs_SHELL:
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{
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// if the shell contains free borders that do not belong to the
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// free borders of caps ( Boundary) it is removed.
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TopTools_IndexedDataMapOfShapeListOfShape Map;
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TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,Map);
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Standard_Boolean JeGarde = Standard_True;
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for ( Standard_Integer i = 1; i <= Map.Extent() && JeGarde; i++) {
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if (Map(i).Extent() < 2) {
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const TopoDS_Edge& anEdge = TopoDS::Edge(Map.FindKey(i));
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if (!Boundary.Contains(anEdge) &&
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!BRep_Tool::Degenerated(anEdge) )
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JeGarde = Standard_False;
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}
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}
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if ( JeGarde) SS = S;
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}
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break;
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case TopAbs_COMPOUND:
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case TopAbs_SOLID:
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{
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// iterate on sub-shapes and add non-empty.
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TopoDS_Iterator it(S);
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TopoDS_Shape SubShape;
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Standard_Boolean NbSub = 0;
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BRep_Builder B;
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if (S.ShapeType() == TopAbs_COMPOUND) {
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B.MakeCompound(TopoDS::Compound(SS));
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}
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else {
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B.MakeSolid(TopoDS::Solid(SS));
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}
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for ( ; it.More(); it.Next()) {
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const TopoDS_Shape& CurS = it.Value();
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SubShape = Deboucle3D(CurS,Boundary);
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if ( !SubShape.IsNull()) {
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B.Add(SS, SubShape);
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NbSub++;
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}
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}
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if (NbSub == 0)
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{
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#ifdef OCCT_DEBUG
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cout << "No subhape in shape!" << endl;
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#endif
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SS = TopoDS_Shape();
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}
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}
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break;
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default:
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break;
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}
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return SS;
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}
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