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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
224 lines
6.8 KiB
C++
224 lines
6.8 KiB
C++
// Created on: 1993-06-17
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1993-1999 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 <TopOpeBRepBuild_ShellFaceClassifier.ixx>
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#include <Precision.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopExp_Explorer.hxx>
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#include <BRep_Tool.hxx>
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#include <Standard_ProgramError.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#ifdef DEB
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extern Standard_Boolean TopOpeBRepBuild_GettraceCHK();
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#endif
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//=======================================================================
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//function : TopOpeBRepBuild_ShellFaceClassifier
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//purpose :
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//=======================================================================
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TopOpeBRepBuild_ShellFaceClassifier::TopOpeBRepBuild_ShellFaceClassifier
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(const TopOpeBRepBuild_BlockBuilder& BB) :
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TopOpeBRepBuild_CompositeClassifier(BB)
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{
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}
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//=======================================================================
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//function : Clear
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_ShellFaceClassifier::Clear()
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{
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mySolidClassifier.Clear();
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myFaceShellMap.Clear();
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}
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//=======================================================================
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//function : CompareShapes
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_ShellFaceClassifier::CompareShapes
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(const TopoDS_Shape& B1, const TopoDS_Shape& B2)
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{
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#ifdef DEB
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// const TopAbs_ShapeEnum t1 = B1.ShapeType();
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// const TopAbs_ShapeEnum t2 = B2.ShapeType();
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#endif
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ResetShape(B1);
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myShell = TopoDS::Shell(B2);
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mySolidClassifier.LoadShell(myShell);
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// myShell.Free(Standard_True);
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TopAbs_State state = State();
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return state;
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}
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//=======================================================================
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//function : CompareElementToShape
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_ShellFaceClassifier::CompareElementToShape
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(const TopoDS_Shape& F, const TopoDS_Shape& SHE)
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{
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#ifdef DEB
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// const TopAbs_ShapeEnum t1 = F.ShapeType();
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// const TopAbs_ShapeEnum t2 = SHE.ShapeType();
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#endif
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ResetElement(F);
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myShell = TopoDS::Shell(SHE);
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mySolidClassifier.LoadShell(myShell);
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// myShell.Free(Standard_True);
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TopAbs_State state = State();
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return state;
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}
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//=======================================================================
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//function : ResetShape
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_ShellFaceClassifier::ResetShape(const TopoDS_Shape& SHE)
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{
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#ifdef DEB
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// const TopAbs_ShapeEnum t1 = SHE.ShapeType();
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#endif
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TopExp_Explorer ex(SHE,TopAbs_FACE);
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const TopoDS_Face& F = TopoDS::Face(ex.Current());
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ResetElement(F);
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}
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//=======================================================================
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//function : ResetElement
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_ShellFaceClassifier::ResetElement(const TopoDS_Shape& F)
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{
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const TopAbs_ShapeEnum t = F.ShapeType();
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// initialize myPoint3d with first vertex of face <E>
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myFirstCompare = Standard_True;
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TopExp_Explorer ex(F,TopAbs_VERTEX);
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if ( ex.More() ) {
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const TopoDS_Vertex& V = TopoDS::Vertex(ex.Current());
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myPoint3d = BRep_Tool::Pnt(V);
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}
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else {
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if(t == TopAbs_FACE) {
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BRepAdaptor_Surface BAS(TopoDS::Face(F));
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myPoint3d = BAS.Value(.5*(BAS.FirstUParameter()+BAS.LastUParameter()),
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.5*(BAS.FirstVParameter()+BAS.LastVParameter()));
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}
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else {
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myPoint3d.SetCoord(0.,0.,0.);
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}
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}
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}
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//=======================================================================
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//function : CompareElement
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//purpose :
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//=======================================================================
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Standard_Boolean TopOpeBRepBuild_ShellFaceClassifier::CompareElement(const TopoDS_Shape& F)
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{
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#ifdef DEB
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// const TopAbs_ShapeEnum t = F.ShapeType();
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#endif
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Standard_Boolean bRet = Standard_True;
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//
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if (myFirstCompare) {
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Standard_Boolean found = myFaceShellMap.IsBound(F);
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if ( !found ) {
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// la face F est la premiere d'un bloc de faces
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// la face F d'un bloc de faces (F est supposee n'appartenir qu'a
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// un seul shell) n'a pas encore ete rencontree <=> le bloc de faces
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// dont F fait partie n'a pas encore ete shellise
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// on cree un shell et on l'attache a F
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myBuilder.MakeShell(myShell);
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myBuilder.Add(myShell,F);
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myFaceShellMap.Bind(F,myShell);
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}
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else {
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// la face F est la premiere d'un bloc de faces
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// on recupere le shell correspondant au bloc de faces (shellise)
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// dont F fait partie.
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TopoDS_Shape sbid = myFaceShellMap.Find(F);
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myShell = TopoDS::Shell(sbid);
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bRet = !bRet;
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}
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myFirstCompare = Standard_False;
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}
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else {
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// F n'est pas la premiere face d'un bloc.
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// myShell est necessairement defini et represente le bloc de faces
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// dont F fait partie
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myBuilder.Add(myShell,F);
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}
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return bRet;
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}
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#ifdef DEB
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#include <BRepTools.hxx>
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#include <BRep_Builder.hxx>
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#include <TCollection_AsciiString.hxx>
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static Standard_Integer STATIC_ishell = 0;
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#endif
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//=======================================================================
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//function : State
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_ShellFaceClassifier::State()
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{
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TopAbs_State state;
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Standard_Real tol3d = Precision::Confusion();
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#ifdef DEB
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if (TopOpeBRepBuild_GettraceCHK()) {
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STATIC_ishell++;
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TCollection_AsciiString home("/home/wb/mdl/gti/prod/TTOPOPE/src/test/data/");
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TCollection_AsciiString sname("shell_"); sname = home + sname + STATIC_ishell;
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TCollection_AsciiString vname("vertex_"); vname = home + vname + STATIC_ishell;
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BRep_Builder B;TopoDS_Vertex V;B.MakeVertex(V,myPoint3d,tol3d);
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cout<<"TopOpeBRepBuild_ShellFaceClassifier : write shell "<<sname;
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cout<<" vertex "<<vname<<endl;
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BRepTools::Write(myShell,sname.ToCString());
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BRepTools::Write(V,vname.ToCString());
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}
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#endif
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mySolidClassifier.Classify(myShell,myPoint3d,tol3d);
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state = mySolidClassifier.State();
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return state;
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}
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