mirror of
https://git.dev.opencascade.org/repos/occt.git
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d533dafb56
Added initialization of fields that had not initialization Added default constructors to classes without constructors
199 lines
6.8 KiB
C++
199 lines
6.8 KiB
C++
// Created on: 1995-01-03
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// Created by: Frederic MAUPAS
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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,abv 14.09.99: S4136: eliminate BRepAPI::Precision()
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#include <BRep_Builder.hxx>
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#include <ElSLib.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom_CartesianPoint.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Surface.hxx>
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#include <gp_Vec2d.hxx>
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#include <Precision.hxx>
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#include <ShapeAnalysis_Surface.hxx>
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#include <StdFail_NotDone.hxx>
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#include <StepGeom_HArray1OfCartesianPoint.hxx>
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#include <StepShape_PolyLoop.hxx>
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#include <StepToGeom.hxx>
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#include <StepToTopoDS_PointPair.hxx>
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#include <StepToTopoDS_Tool.hxx>
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#include <StepToTopoDS_TranslatePolyLoop.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.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 :
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// Purpose :
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// ============================================================================
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StepToTopoDS_TranslatePolyLoop::StepToTopoDS_TranslatePolyLoop()
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: myError(StepToTopoDS_TranslatePolyLoopOther)
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{
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done = Standard_False;
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}
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// ============================================================================
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// Method :
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// Purpose :
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// ============================================================================
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StepToTopoDS_TranslatePolyLoop::StepToTopoDS_TranslatePolyLoop(const Handle(StepShape_PolyLoop)& PL, StepToTopoDS_Tool& T, const Handle(Geom_Surface)& S, const TopoDS_Face& F)
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{
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Init (PL, T, S, F);
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}
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// ============================================================================
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// Method :
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// Purpose :
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// ============================================================================
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void StepToTopoDS_TranslatePolyLoop::Init(const Handle(StepShape_PolyLoop)& PL, StepToTopoDS_Tool& aTool, const Handle(Geom_Surface)& GeomSurf, const TopoDS_Face& TopoFace)
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{
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if (!aTool.IsBound(PL)) {
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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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Standard_Integer i;
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Handle(StepGeom_CartesianPoint) P1,P2;
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Handle(Geom_CartesianPoint) GP1, GP2;
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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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Handle(Geom_Line) L;
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Handle(Geom2d_Line) L2d;
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gp_Vec V;
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gp_Vec2d V2d;
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Standard_Real Magn;
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Handle(Geom_Plane) SP = Handle(Geom_Plane)::DownCast(GeomSurf);
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if (SP.IsNull()) TP->AddFail(PL,"Surface not planar in a FacetedBRep !");
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Handle(ShapeAnalysis_Surface) STSU = new ShapeAnalysis_Surface ( GeomSurf );
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Standard_Integer Nb = PL->NbPolygon();
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Handle(StepGeom_HArray1OfCartesianPoint) Poly =
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new StepGeom_HArray1OfCartesianPoint(1, Nb+1);
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for ( i=1; i<=Nb; i++ )
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Poly->SetValue(i, PL->PolygonValue(i));
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Nb++;
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Poly->SetValue(Nb, PL->PolygonValue(1));
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P1 = Poly->Value(1);
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GP1 = StepToGeom::MakeCartesianPoint (P1);
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if (aTool.IsVertexBound(P1)) {
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V1 = aTool.FindVertex(P1);
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}
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else {
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B.MakeVertex(V1, GP1->Pnt(), Precision::Confusion()); //:S4136: preci
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aTool.BindVertex(P1,V1);
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}
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B.MakeWire(W);
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for ( i=2; i<=Nb; i++){
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P2 = Poly->Value(i);
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if (P1 == P2) continue; // peut arriver (KK) CKY 9-DEC-1997
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StepToTopoDS_PointPair PP(P1, P2);
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GP2 = StepToGeom::MakeCartesianPoint (P2);
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TopoDS_Shape aBoundEdge;
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Standard_Boolean isbound = aTool.IsEdgeBound(PP);
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if (!isbound) {
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if (aTool.IsVertexBound(P2)) {
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V2 = aTool.FindVertex(P2);
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}
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else {
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B.MakeVertex(V2, GP2->Pnt(), Precision::Confusion()); //:S4136: preci
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aTool.BindVertex(P2, V2);
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}
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V = gp_Vec(GP1->Pnt(), GP2->Pnt());
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L = new Geom_Line(GP1->Pnt(), gp_Dir(V));
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B.MakeEdge(E, L, Precision::Confusion()); //:S4136: preci
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V1.Orientation(TopAbs_FORWARD);
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V2.Orientation(TopAbs_REVERSED);
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B.Add(E, V1);
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B.Add(E, V2);
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Magn = V.Magnitude();
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B.UpdateVertex(V1, 0., E, 0.); //:S4136: preci
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B.UpdateVertex(V2, Magn, E, 0.); //:S4136: preci
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}
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else {
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aBoundEdge = aTool.FindEdge(PP);
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E = TopoDS::Edge(aBoundEdge);
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// Il faut qu en finale l edge soit vue
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// - via sa premiere face, orientation combinee = celle de cette premiere face
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// - via sa deuxieme face, orientation combinee INVERSE de la precedente
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if (TopoFace.Orientation() == TopAbs_FORWARD) E.Reverse();
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V2 = aTool.FindVertex(P2);
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}
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gp_Pnt2d V2p1 = STSU->ValueOfUV (GP1->Pnt(), Precision());
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gp_Pnt2d V2p2 = STSU->ValueOfUV (GP2->Pnt(), Precision());
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if (E.Orientation() == TopAbs_FORWARD) {
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V2d = gp_Vec2d(V2p1, V2p2);
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L2d = new Geom2d_Line(V2p1, gp_Dir2d(V2d));
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}
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else {
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V2d = gp_Vec2d(V2p2, V2p1);
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L2d = new Geom2d_Line(V2p2, gp_Dir2d(V2d));
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}
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B.UpdateEdge(E, L2d, TopoFace, 0.);
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TopoDS_Edge EB = E; // pour le binding : cumul des orientations !
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EB.Orientation (TopoFace.Orientation());
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if (!isbound) aTool.BindEdge(PP, EB);
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if (!E.IsNull()) {
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B.Add(W, E);
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}
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P1 = P2;
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GP1 = GP2;
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V1 = V2;
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}
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W.Closed (BRep_Tool::IsClosed (W));
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aTool.Bind(PL, W);
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myResult = W;
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myError = StepToTopoDS_TranslatePolyLoopDone;
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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(PL));
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myError = StepToTopoDS_TranslatePolyLoopDone;
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done = Standard_True;
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}
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}
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// ============================================================================
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// Method :
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// Purpose :
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// ============================================================================
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const TopoDS_Shape& StepToTopoDS_TranslatePolyLoop::Value() const
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{
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StdFail_NotDone_Raise_if (!done, "StepToTopoDS_TranslatePolyLoop::Value() - no result");
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return myResult;
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}
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// ============================================================================
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// Method :
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// Purpose :
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// ============================================================================
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StepToTopoDS_TranslatePolyLoopError StepToTopoDS_TranslatePolyLoop::Error() const
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{
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return myError;
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}
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