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Integration of OCCT 6.5.0 from SVN
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bugmaster
bugmaster
302
src/LocOpe/LocOpe_LinearForm.cxx
Executable file
302
src/LocOpe/LocOpe_LinearForm.cxx
Executable file
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// File: LocOpe_LinearForm.cxx
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// Created: Wed Sep 4 15:01:13 1996
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// Author: Olga PILLOT
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#include <LocOpe_LinearForm.ixx>
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#include <BRepSweep_Prism.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Compound.hxx>
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#include <BRep_Builder.hxx>
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#include <LocOpe_BuildShape.hxx>
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#include <LocOpe.hxx>
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#include <gp_Ax1.hxx>
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#include <gp_Trsf.hxx>
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#include <BRepTools_TrsfModification.hxx>
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#include <BRepTools_Modifier.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepLib_MakeEdge.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <BRepLib_MakeVertex.hxx>
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#include <TopTools_ListIteratorOfListOfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TColgp_SequenceOfPnt.hxx>
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void LocOpe_LinearForm::Perform(const TopoDS_Shape& Base,
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const gp_Vec& V,
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const gp_Pnt& Pnt1,
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const gp_Pnt& Pnt2)
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{
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myIsTrans = Standard_False;
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myMap.Clear();
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myFirstShape.Nullify();
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myLastShape.Nullify();
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myBase.Nullify();
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myRes.Nullify();
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myBase = Base;
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myVec = V;
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//myEdge = E;
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myPnt1 = Pnt1;
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myPnt2 = Pnt2;
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IntPerf();
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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 LocOpe_LinearForm::Perform(const TopoDS_Shape& Base,
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const gp_Vec& V,
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const gp_Vec& Vectra,
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const gp_Pnt& Pnt1,
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const gp_Pnt& Pnt2)
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{
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myIsTrans = Standard_True;
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myTra = Vectra;
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myMap.Clear();
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myFirstShape.Nullify();
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myLastShape.Nullify();
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myBase.Nullify();
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myRes.Nullify();
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myBase = Base;
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myVec = V;
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//myEdge = E;
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myPnt1 = Pnt1;
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myPnt2 = Pnt2;
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IntPerf();
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}
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//=======================================================================
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//function : IntPerf
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//purpose :
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//=======================================================================
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void LocOpe_LinearForm::IntPerf()
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{
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TopoDS_Shape theBase = myBase;
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BRepTools_Modifier Modif;
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if (myIsTrans) {
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gp_Trsf T;
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T.SetTranslation(myTra);
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Handle(BRepTools_TrsfModification) modbase =
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new BRepTools_TrsfModification(T);
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Modif.Init(theBase);
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Modif.Perform(modbase);
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theBase = Modif.ModifiedShape(theBase);
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}
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BRepSweep_Prism myPrism(theBase, myVec);
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myFirstShape = myPrism.FirstShape();
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myLastShape = myPrism.LastShape();
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TopExp_Explorer exp;
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if (theBase.ShapeType() == TopAbs_FACE) {
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for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
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const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
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if (!myMap.IsBound(edg)) {
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TopTools_ListOfShape thelist;
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myMap.Bind(edg, thelist);
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TopoDS_Shape desc = myPrism.Shape(edg);
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if (!desc.IsNull()) {
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myMap(edg).Append(desc);
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}
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}
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}
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myRes = myPrism.Shape();
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}
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else {
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// Cas base != FACE
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TopTools_IndexedDataMapOfShapeListOfShape theEFMap;
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TopExp::MapShapesAndAncestors(theBase,TopAbs_EDGE,TopAbs_FACE,theEFMap);
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TopTools_ListOfShape lfaces;
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Standard_Boolean toremove = Standard_False;
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for (Standard_Integer i=1; i<=theEFMap.Extent(); i++) {
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const TopoDS_Shape& edg = theEFMap.FindKey(i);
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TopTools_ListOfShape thelist1;
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myMap.Bind(edg, thelist1);
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TopoDS_Shape desc = myPrism.Shape(edg);
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if (!desc.IsNull()) {
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if (theEFMap(i).Extent() >= 2) {
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toremove = Standard_True;
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}
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else {
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myMap(edg).Append(desc);
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lfaces.Append(desc);
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}
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}
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}
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if(toremove) {
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// Rajouter les faces de FirstShape et LastShape
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for (exp.Init(myFirstShape,TopAbs_FACE);exp.More();exp.Next()) {
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lfaces.Append(exp.Current());
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}
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for (exp.Init(myLastShape,TopAbs_FACE);exp.More();exp.Next()) {
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lfaces.Append(exp.Current());
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}
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LocOpe_BuildShape BS(lfaces);
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myRes = BS.Shape();
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}
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else {
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for (exp.Init(theBase,TopAbs_EDGE);exp.More();exp.Next()) {
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const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
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if (!myMap.IsBound(edg)) {
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TopTools_ListOfShape thelist2;
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myMap.Bind(edg, thelist2);
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TopoDS_Shape desc = myPrism.Shape(edg);
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if (!desc.IsNull()) {
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myMap(edg).Append(desc);
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}
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}
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}
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myRes = myPrism.Shape();
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}
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}
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if (myIsTrans) {
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// m-a-j des descendants
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TopExp_Explorer exp;
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for (exp.Init(myBase,TopAbs_EDGE);exp.More();exp.Next()) {
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const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
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const TopoDS_Edge& edgbis = TopoDS::Edge(Modif.ModifiedShape(edg));
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if (!edgbis.IsSame(edg) && myMap.IsBound(edgbis)) {
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myMap.Bind(edg,myMap(edgbis));
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myMap.UnBind(edgbis);
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}
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}
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}
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myDone = Standard_True;
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}
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//=======================================================================
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//function : Shape
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//purpose :
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//=======================================================================
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const TopoDS_Shape& LocOpe_LinearForm::Shape () const
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{
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if (!myDone) {
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StdFail_NotDone::Raise();
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}
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return myRes;
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}
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//=======================================================================
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//function : FirstShape
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//purpose :
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//=======================================================================
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const TopoDS_Shape& LocOpe_LinearForm::FirstShape () const
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{
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return myFirstShape;
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}
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//=======================================================================
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//function : LastShape
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//purpose :
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//=======================================================================
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const TopoDS_Shape& LocOpe_LinearForm::LastShape () const
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{
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return myLastShape;
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}
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//=======================================================================
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//function : Shapes
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//purpose :
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//=======================================================================
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const TopTools_ListOfShape& LocOpe_LinearForm::Shapes (const TopoDS_Shape& S) const
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{
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return myMap(S);
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}
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