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128 lines
4.6 KiB
C++
128 lines
4.6 KiB
C++
// Created on: 1995-01-03
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// Created by: Frederic MAUPAS/Dieter THIEMANN
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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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//: gka 09.04.99: S4136: eliminate BRepAPI::Precision()
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#include <BRep_Builder.hxx>
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#include <StdFail_NotDone.hxx>
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#include <StepShape_Vertex.hxx>
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#include <StepShape_VertexLoop.hxx>
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#include <StepToTopoDS_NMTool.hxx>
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#include <StepToTopoDS_Tool.hxx>
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#include <StepToTopoDS_TranslateVertex.hxx>
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#include <StepToTopoDS_TranslateVertexLoop.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Wire.hxx>
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#include <Transfer_TransientProcess.hxx>
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//#include <BRepAPI.hxx>
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// ============================================================================
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// Method : StepToTopoDS_TranslateVertexLoop::StepToTopoDS_TranslateVertexLoop
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// Purpose : Empty Constructor
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// ============================================================================
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StepToTopoDS_TranslateVertexLoop::StepToTopoDS_TranslateVertexLoop()
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{
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}
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// ============================================================================
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// Method : StepToTopoDS_TranslateVertexLoop::StepToTopoDS_TranslateVertexLoop
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// Purpose : Constructor with a VertexLoop and a Tool
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// ============================================================================
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StepToTopoDS_TranslateVertexLoop::StepToTopoDS_TranslateVertexLoop(const Handle(StepShape_VertexLoop)& VL,
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StepToTopoDS_Tool& T,
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StepToTopoDS_NMTool& NMTool)
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{
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Init(VL, T, NMTool);
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}
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// ============================================================================
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// Method : Init
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// Purpose : Init with a VertexLoop and a Tool
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// ============================================================================
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void StepToTopoDS_TranslateVertexLoop::Init(const Handle(StepShape_VertexLoop)& VL,
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StepToTopoDS_Tool& aTool,
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StepToTopoDS_NMTool& NMTool)
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{
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// A Vertex Loop shall be mapped onto a Vertex + Edge + Wire;
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if (!aTool.IsBound(VL)) {
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BRep_Builder B;
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Handle(Transfer_TransientProcess) TP = aTool.TransientProcess();
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//:S4136 Standard_Real preci = BRepAPI::Precision();
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Handle(StepShape_Vertex) Vtx;
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TopoDS_Vertex V1,V2;
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TopoDS_Edge E;
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TopoDS_Wire W;
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Vtx = VL->LoopVertex();
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StepToTopoDS_TranslateVertex myTranVtx(Vtx, aTool, NMTool);
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if (myTranVtx.IsDone()) {
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V1 = TopoDS::Vertex(myTranVtx.Value());
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V2 = TopoDS::Vertex(myTranVtx.Value());
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}
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else {
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TP->AddWarning(VL,"VertexLoop not mapped to TopoDS ");
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myError = StepToTopoDS_TranslateVertexLoopOther;
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done = Standard_False;
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return;
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}
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V1.Orientation(TopAbs_FORWARD);
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V2.Orientation(TopAbs_REVERSED);
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B.MakeEdge(E);
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B.Add(E, V1);
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B.Add(E, V2);
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B.Degenerated(E, Standard_True);
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B.MakeWire(W);
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W.Closed (Standard_True);
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B.Add(W, E);
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aTool.Bind(VL, W);
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myResult = W;
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myError = StepToTopoDS_TranslateVertexLoopDone;
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done = Standard_True;
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}
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else {
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myResult = TopoDS::Wire(aTool.Find(VL));
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myError = StepToTopoDS_TranslateVertexLoopDone;
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done = Standard_True;
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}
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}
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// ============================================================================
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// Method : Value
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// Purpose : Return the mapped Shape
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// ============================================================================
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const TopoDS_Shape& StepToTopoDS_TranslateVertexLoop::Value() const
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{
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StdFail_NotDone_Raise_if (!done, "StepToTopoDS_TranslateVertexLoop::Value() - no result");
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return myResult;
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}
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// ============================================================================
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// Method : Error
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// Purpose : Return the TranslateVertexLoop Error code
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// ============================================================================
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StepToTopoDS_TranslateVertexLoopError StepToTopoDS_TranslateVertexLoop::Error() const
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{
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return myError;
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}
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