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0023129: BRepTools::OuterShell() works wrong - it always returns the first shell
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pkv
parent
73a97e76da
commit
4b66ae7692
@ -46,22 +46,19 @@ is
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DataMap from TCollection(Shape from TopoDS,
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Address from Standard,
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ShapeMapHasher from TopTools);
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class SolidExplorer;
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class SolidPassiveClassifier instantiates Classifier3d from TopClass
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(Intersector3d from BRepClass3d);
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class SolidPassiveClassifier instantiates
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Classifier3d from TopClass (Intersector3d from BRepClass3d);
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---class SClassifier instantiates SolidClassifier from TopClass
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--- (SolidExplorer from BRepClass3d,
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--- Intersector3d from BRepClass3d);
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class SClassifier;
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class SolidClassifier;
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OuterShell(S : Solid from TopoDS)
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returns Shell from TopoDS;
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---Purpose: Returns the outer most shell of <S>. Returns a Null
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-- shell if <S> has no outer shell.
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end BRepClass3d;
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112
src/BRepClass3d/BRepClass3d.cxx
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112
src/BRepClass3d/BRepClass3d.cxx
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@ -0,0 +1,112 @@
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// Created on: 1993-01-21
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// Created by: Peter KURNEV
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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// File: BRepClass3d.cxx
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// Created: Thu Sep 20 10:05:46 2012
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// Author:
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// <pkv@PETREX>
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#include <BRepClass3d.ixx>
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#include <TopAbs_State.hxx>
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#include <TopAbs_Orientation.hxx>
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#include <TopoDS_Solid.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <BRep_Builder.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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static
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Standard_Boolean IsInternal(const TopoDS_Shell& aSx);
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//=======================================================================
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//function : OuterShell
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//purpose :
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//=======================================================================
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TopoDS_Shell BRepClass3d::OuterShell(const TopoDS_Solid& aSolid)
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{
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Standard_Boolean bFound;
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Standard_Real aTol;
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TopoDS_Solid aSDx;
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TopoDS_Shell aShell, aDummy;
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TopoDS_Iterator aIt;
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BRep_Builder aBB;
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BRepClass3d_SolidClassifier aSC;
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//
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if (aSolid.IsNull()) {
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return aDummy;
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}
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//
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aTol=1.e-7;
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bFound=Standard_False;
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//
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aIt.Initialize(aSolid);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aSx=aIt.Value();
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if (aSx.ShapeType()==TopAbs_SHELL) {
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aShell=*((TopoDS_Shell*)&aSx);
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if (!IsInternal(aShell)) {
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aSDx=aSolid;
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aSDx.EmptyCopy();
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aBB.Add(aSDx, aShell);
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//
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aSC.Load(aSDx);
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aSC.PerformInfinitePoint(aTol);
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if(aSC.State()==TopAbs_OUT) {
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bFound=Standard_True;
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break;
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}
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}
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}
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}
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//
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if (!bFound) {
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return aDummy;
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}
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//
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return aShell;
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}
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//=======================================================================
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//function : IsInternal
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//purpose :
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//=======================================================================
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Standard_Boolean IsInternal(const TopoDS_Shell& aSx)
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{
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Standard_Boolean bInternal;
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TopAbs_Orientation aOr;
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TopoDS_Iterator aIt;
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//
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bInternal=Standard_False;
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//
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aIt.Initialize(aSx);
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for (; aIt.More(); aIt.Next()) {
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const TopoDS_Shape& aSy=aIt.Value();
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aOr=aSy.Orientation();
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bInternal=(aOr==TopAbs_INTERNAL);
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break;
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}
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//
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return bInternal;
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}
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@ -37,49 +37,81 @@
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#include <TopAbs.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shell.hxx>
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#include <TopoDS_Solid.hxx>
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#include <BRepClass3d.hxx>
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//
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static
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Standard_Boolean issame(TopoDS_Face& face,
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TopoDS_Face& newface);
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static
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TopoDS_Face findface(TopoDS_Shape& shape,
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TopoDS_Face& face);
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//
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static Standard_Integer shell(Draw_Interpretor&, Standard_Integer, const char** );
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static Standard_Integer outershell(Draw_Interpretor&, Standard_Integer, const char** );
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static Standard_Boolean issame(TopoDS_Face& face, TopoDS_Face& newface)
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//=======================================================================
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//function : ShellCommands
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//purpose :
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//=======================================================================
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void BRepTest::ShellCommands(Draw_Interpretor& theCommands)
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{
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TopExp_Explorer exp(face,TopAbs_VERTEX),newexp(newface,TopAbs_VERTEX);
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Standard_Integer newcounter=0,counter=0;
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for (;exp.More();exp.Next())
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{
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counter++;
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gp_Pnt p(BRep_Tool::Pnt(TopoDS::Vertex(exp.Current())));
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for (;newexp.More();newexp.Next())
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{
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gp_Pnt newp(BRep_Tool::Pnt(TopoDS::Vertex(newexp.Current())));
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if (p.IsEqual(newp,1e-7))
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{
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newcounter++;
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break;
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};
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};
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};
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if (counter==newcounter)
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return Standard_True;
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return Standard_False;
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static Standard_Boolean loaded = Standard_False;
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if (loaded) return;
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loaded = Standard_True;
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const char* g = "Projection of wire commands";
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theCommands.Add("shell","Make shell on bugged object", __FILE__, shell,g);
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theCommands.Add("outershell","use outershell r s", __FILE__, outershell,g);
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}
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//modified by NIZNHY-PKV Thu Sep 20 10:44:11 2012f
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//=======================================================================
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//function : outershell
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//purpose :
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//=======================================================================
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Standard_Integer outershell(Draw_Interpretor& di, Standard_Integer n, const char** a)
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{
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TopoDS_Shape aS;
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TopoDS_Solid aSd;
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TopoDS_Shell aSh;
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//
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if (n!=3) {
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di << " use outershell r s\n";
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return 1;
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}
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//
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aS=DBRep::Get(a[2]);
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if (aS.IsNull()) {
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di << " Null shape is not allowed\n";
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return 1;
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}
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if (aS.ShapeType()!=TopAbs_SOLID) {
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di << " The shape must be a solid\n";
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return 1;
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}
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//
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aSd=*((TopoDS_Solid*)&aS);
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//
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aSh=BRepClass3d::OuterShell(aSd);
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if (aSh.IsNull()) {
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di << " not found\n";
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}
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else {
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DBRep::Set(a[1],aSh);
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}
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return 0;
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}
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static TopoDS_Face findface(TopoDS_Shape& shape, TopoDS_Face& face)
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{
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TopoDS_Face newface;
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TopExp_Explorer exp(shape,TopAbs_FACE);
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for (;exp.More();exp.Next())
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{
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newface = TopoDS::Face(exp.Current());
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if (issame(face,newface))
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{
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break;
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};
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};
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return newface;
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}
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static Standard_Integer shell(Draw_Interpretor& di, Standard_Integer n, const char** a)
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//modified by NIZNHY-PKV Thu Sep 20 10:44:17 2012t
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//=======================================================================
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//function : shell
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//purpose :
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//=======================================================================
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Standard_Integer shell(Draw_Interpretor& di, Standard_Integer n, const char** a)
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{
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TopoDS_Shape Shape = DBRep::Get(a[1]);
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TopTools_ListOfShape ListOfCorks;
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@ -117,18 +149,52 @@ static Standard_Integer shell(Draw_Interpretor& di, Standard_Integer n, const ch
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DBRep::Set("S",MKTS.Shape());
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return 0;
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}
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/*********************************************************************************/
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void BRepTest::ShellCommands(Draw_Interpretor& theCommands)
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//=======================================================================
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//function : issame
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//purpose :
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//=======================================================================
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Standard_Boolean issame(TopoDS_Face& face, TopoDS_Face& newface)
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{
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static Standard_Boolean loaded = Standard_False;
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if (loaded) return;
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loaded = Standard_True;
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const char* g = "Projection of wire commands";
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theCommands.Add("shell","Make shell on bugged object",
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__FILE__,
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shell,g);
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TopExp_Explorer exp(face,TopAbs_VERTEX),newexp(newface,TopAbs_VERTEX);
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Standard_Integer newcounter=0,counter=0;
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for (;exp.More();exp.Next())
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{
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counter++;
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gp_Pnt p(BRep_Tool::Pnt(TopoDS::Vertex(exp.Current())));
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for (;newexp.More();newexp.Next())
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{
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gp_Pnt newp(BRep_Tool::Pnt(TopoDS::Vertex(newexp.Current())));
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if (p.IsEqual(newp,1e-7))
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{
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newcounter++;
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break;
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};
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};
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};
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if (counter==newcounter)
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return Standard_True;
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return Standard_False;
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}
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//=======================================================================
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//function : findface
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//purpose :
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//=======================================================================
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TopoDS_Face findface(TopoDS_Shape& shape, TopoDS_Face& face)
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{
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TopoDS_Face newface;
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TopExp_Explorer exp(shape,TopAbs_FACE);
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for (;exp.More();exp.Next())
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{
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newface = TopoDS::Face(exp.Current());
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if (issame(face,newface))
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{
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break;
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};
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};
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return newface;
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}
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