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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
414 lines
14 KiB
C++
414 lines
14 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
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// under the terms of the GNU Lesser General Public 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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// pdn 30.11.98: fixes improved
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// pdn 20.12.98: to keep pcurves
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// pdn 28.12.98: PRO10366 shifting pcurve between two singularities
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//:p4 abv, pdn 23.02.99: PRO9234 #15720: call BRepTools::Update() for faces
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//:q7 abv 23.03.99: bm4_al_eye.stp #53710: remove pseudo-seams
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// rln 31.03.99 S4135: prohibit fixing intersection of non-adjacent edges (temporarily)
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//#4 szv S4163: optimization
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//%19 pdn 17.04.99 using ShapeFix_Wire::FixEdgeCurves instead of ShapeFix_PCurves
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// smh 31.01.01 Bad data in file : case of vertex loop on plane face
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// sln 01.10.2001 BUC61003. StepToTopoDS_TranslateFace::Init function is corrected (verifying Handle(...).IsNull() is added)
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#include <StepToTopoDS_TranslateFace.ixx>
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#include <StepToTopoDS.hxx>
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#include <StepToGeom_MakeSurface.hxx>
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#include <StepToTopoDS_TranslateVertexLoop.hxx>
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#include <StepToTopoDS_TranslatePolyLoop.hxx>
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#include <StepToTopoDS_TranslateEdgeLoop.hxx>
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#include <StepShape_EdgeCurve.hxx>
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#include <StepShape_VertexLoop.hxx>
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#include <StepShape_EdgeLoop.hxx>
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#include <StepShape_PolyLoop.hxx>
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#include <StepGeom_Surface.hxx>
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#include <StepShape_FaceBound.hxx>
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#include <StepShape_FaceOuterBound.hxx>
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#include <StepShape_OrientedEdge.hxx>
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#include <StepShape_Edge.hxx>
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//#3 rln 16/02/98
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#include <BRep_TEdge.hxx>
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#include <BRep_TVertex.hxx>
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#include <Geom_BoundedSurface.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_Surface.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <GeomAdaptor_Surface.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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//#include <GeomAdaptor_Curve.hxx>
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//#include <GeomAdaptor_CurveOnSurface.hxx>
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#include <Geom2d_Curve.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>//#3 rln 16/02/98
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>//rln 28/01/98
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#include <TopoDS_Wire.hxx>
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#include <BRepTools.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRep_Builder.hxx>//rln 28/01/98
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#include <BRep_Tool.hxx>
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#include <Transfer_TransientProcess.hxx>
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#include <Precision.hxx>
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// Provisoire, pour VertexLoop
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#include <Geom_SphericalSurface.hxx>
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#include <Geom_ToroidalSurface.hxx>
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#include <StepGeom_OffsetSurface.hxx> //:d4
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#include <StepGeom_BSplineSurfaceForm.hxx>
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#include <StepGeom_BSplineSurface.hxx>
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#include <ShapeAlgo.hxx>
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#include <ShapeAlgo_AlgoContainer.hxx>
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#include <TopoDS_Iterator.hxx>
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// To proceed with I-DEAS-like STP (ssv; 15.11.2010)
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#include <TCollection_HAsciiString.hxx>
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//#define DEBUG
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// ============================================================================
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// Method : StepToTopoDS_TranslateFace::StepToTopoDS_TranslateFace
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// Purpose : Empty Constructor
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// ============================================================================
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StepToTopoDS_TranslateFace::StepToTopoDS_TranslateFace()
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{
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done = Standard_False;
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}
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// ============================================================================
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// Method : StepToTopoDS_TranslateFace::StepToTopoDS_TranslateFace
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// Purpose : Constructor with a FaceSurface and a Tool
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// ============================================================================
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StepToTopoDS_TranslateFace::StepToTopoDS_TranslateFace
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(const Handle(StepShape_FaceSurface)& FS, StepToTopoDS_Tool& T, StepToTopoDS_NMTool& NMTool)
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{
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Init(FS, T, NMTool);
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}
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// ============================================================================
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// Method : Init
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// Purpose : Init with a FaceSurface and a Tool
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// ============================================================================
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void StepToTopoDS_TranslateFace::Init
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(const Handle(StepShape_FaceSurface)& FS, StepToTopoDS_Tool& aTool, StepToTopoDS_NMTool& NMTool)
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{
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done = Standard_True;
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if (aTool.IsBound(FS)) {
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myResult = TopoDS::Face(aTool.Find(FS));
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myError = StepToTopoDS_TranslateFaceDone;
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done = Standard_True;
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return;
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}
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Handle(Transfer_TransientProcess) TP = aTool.TransientProcess();
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// ----------------------------------------------
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// Map the Face Geometry and create a TopoDS_Face
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// ----------------------------------------------
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Handle(StepGeom_Surface) StepSurf = FS->FaceGeometry();
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// sln 01.10.2001 BUC61003. If corresponding entity was read with error StepSurface may be NULL. In this case we exit from function
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if ( StepSurf.IsNull() ) {
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TP->AddFail(StepSurf," Surface has not been created");
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myError = StepToTopoDS_TranslateFaceOther;
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done = Standard_False;
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return;
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}
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// [BEGIN] Added to process non-manifold topology (ssv; 14.11.2010)
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if ( NMTool.IsActive() && NMTool.IsBound(StepSurf) ) {
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TopoDS_Shape existingShape = NMTool.Find(StepSurf);
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// Reverse shape's orientation for the next shell
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existingShape.Reverse();
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myResult = existingShape;
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myError = StepToTopoDS_TranslateFaceDone;
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done = Standard_True;
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return;
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}
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// [END] Added to process non-manifold topology (ssv; 14.11.2010)
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if (StepSurf->IsKind(STANDARD_TYPE(StepGeom_OffsetSurface))) //:d4 abv 12 Mar 98
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TP->AddWarning(StepSurf," Type OffsetSurface is out of scope of AP 214");
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Handle(Geom_Surface) GeomSurf;
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if (!StepToGeom_MakeSurface::Convert(StepSurf,GeomSurf))
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{
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TP->AddFail(StepSurf," Surface has not been created");
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myError = StepToTopoDS_TranslateFaceOther;
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done = Standard_False;
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return;
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}
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// pdn to force bsplsurf to be periodic
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Handle(StepGeom_BSplineSurface) sgbss = Handle(StepGeom_BSplineSurface)::DownCast(StepSurf);
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if (!sgbss.IsNull()) {
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/*
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StepGeom_BSplineSurfaceForm form = sgbss->SurfaceForm();
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if ((form == StepGeom_bssfCylindricalSurf)||
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(form == StepGeom_bssfConicalSurf)||
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(form == StepGeom_bssfSphericalSurf)||
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(form == StepGeom_bssfToroidalSurf)||
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(form == StepGeom_bssfSurfOfRevolution)||
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(form == StepGeom_bssfGeneralisedCone)||
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(form == StepGeom_bssfUnspecified))
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*/
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{
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Handle(Geom_Surface) periodicSurf = ShapeAlgo::AlgoContainer()->ConvertToPeriodic (GeomSurf);
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if(!periodicSurf.IsNull()) {
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TP->AddWarning(StepSurf,"Surface forced to be periodic");
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GeomSurf = periodicSurf;
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}
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}
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}
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Standard_Boolean sameSense = FS->SameSense();
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// -- Statistics --
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aTool.AddContinuity (GeomSurf);
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TopoDS_Face F;
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BRep_Builder B;
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B.MakeFace ( F, GeomSurf, Precision::Confusion() );
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// ----------------------------------
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// Iterate on each FaceBounds (Wires)
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// ----------------------------------
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Handle(StepShape_FaceBound) FaceBound;
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Handle(StepShape_Loop) Loop;
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StepToTopoDS_TranslateVertexLoop myTranVL;
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StepToTopoDS_TranslatePolyLoop myTranPL;
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StepToTopoDS_TranslateEdgeLoop myTranEdgeLoop;
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Standard_Integer NbBnd = FS->NbBounds();
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// -- Critere de couture simple (CKY, JAN97)
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// surface periodique (typiquement un cylindre)
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// 2 face bounds, chacun avec un edge loop d une seule edge
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// cette edge est fermee, c-a-d vtx-deb = vtx-fin (pour les deux edges)
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// est-ce suffisant (verifier que ce sont deux outer-bounds ... ?? comment ?)
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// Alors on peut dire : face a deux bords dont la couture manque
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// La couture est entre les deux vertex
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// TopoDS_Wire W1,W2;
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// Standard_Boolean fautcoudre =
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// ( (NbBnd == 2) && (GeomSurf->IsUClosed() || GeomSurf->IsVClosed()) );
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for (Standard_Integer i = 1; i <= NbBnd; i ++) {
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#ifdef DEBUG
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cout << " Processing Wire : " << i << endl;
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#endif
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FaceBound = FS->BoundsValue(i);
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Loop = FaceBound->Bound();
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// ------------------------
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// The Loop is a VertexLoop
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// ------------------------
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if (Loop->IsKind(STANDARD_TYPE(StepShape_VertexLoop))) {
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//:S4136 STF.Closed() = Standard_False;
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// PROBLEME si SPHERE ou TORE
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// Il faudra faire un wire complet, a condition que le point porte sur la face
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// En attendant, on ne fait rien
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Handle(StepShape_VertexLoop) VL = Handle(StepShape_VertexLoop)::DownCast(Loop);
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// abv 10.07.00 pr1sy.stp: vertex_loop can be wrong; so just make natural bounds
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if (GeomSurf->IsKind (STANDARD_TYPE(Geom_SphericalSurface)) ||
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GeomSurf->IsKind (STANDARD_TYPE(Geom_BSplineSurface)) )
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{
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BRepBuilderAPI_MakeFace mf (GeomSurf, Precision());
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for (TopoDS_Iterator it(mf); it.More(); it.Next())
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B.Add (F, it.Value());
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continue;
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}
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if (//GeomSurf->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ||
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GeomSurf->IsKind(STANDARD_TYPE(Geom_ToroidalSurface)) ) {
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// TP->AddWarning(VL," VertexLoop on Cone or Torus NOT YET IMPLEMENTED");
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continue;
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}
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if (GeomSurf->IsKind(STANDARD_TYPE(Geom_Plane)) ) {
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TP->AddWarning(VL,"VertexLoop on plane is ignored");
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continue; //smh : BUC60809
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}
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myTranVL.SetPrecision(Precision());//gka
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myTranVL.SetMaxTol(MaxTol());
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myTranVL.Init(VL, aTool, NMTool);
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if (myTranVL.IsDone()) {
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B.Add ( F, myTranVL.Value() );
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}
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else {
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TP->AddWarning(VL," a VertexLoop not mapped to TopoDS");
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}
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}
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// ----------------------
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// The Loop is a PolyLoop
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// ----------------------
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else if (Loop->IsKind(STANDARD_TYPE(StepShape_PolyLoop))) {
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//:S4136 STF.Closed() = Standard_False;
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Handle(StepShape_PolyLoop) PL = Handle(StepShape_PolyLoop)::DownCast(Loop);
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F.Orientation ( FS->SameSense() ? TopAbs_FORWARD : TopAbs_REVERSED);
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myTranPL.SetPrecision(Precision()); //gka
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myTranPL.SetMaxTol(MaxTol());
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myTranPL.Init(PL, aTool, GeomSurf, F);
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if (myTranPL.IsDone()) {
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TopoDS_Wire W = TopoDS::Wire(myTranPL.Value());
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W.Orientation ( FaceBound->Orientation() ? TopAbs_FORWARD : TopAbs_REVERSED);
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B.Add ( F, W );
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}
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else {
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TP->AddWarning(PL," a PolyLoop not mapped to TopoDS");
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}
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}
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// -----------------------
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// The Loop is an EdgeLoop
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// -----------------------
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else if (Loop->IsKind(STANDARD_TYPE(StepShape_EdgeLoop))) {
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//:S4136 if (STF.Closed()) {
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//:S4136 Handle(StepShape_EdgeLoop) EL =
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//:S4136 Handle(StepShape_EdgeLoop)::DownCast(FaceBound->Bound());
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//:S4136 if (EL->NbEdgeList() != 1) STF.Closed() = Standard_False;
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//:S4136 }
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TopoDS_Wire W;
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myTranEdgeLoop.SetPrecision(Precision()); //gka
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myTranEdgeLoop.SetMaxTol(MaxTol());
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myTranEdgeLoop.Init(FaceBound, F, GeomSurf, StepSurf, sameSense, aTool, NMTool);
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if (myTranEdgeLoop.IsDone()) {
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W = TopoDS::Wire(myTranEdgeLoop.Value());
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// STEP Face_Surface orientation :
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// if the topological orientation is opposite to the geometric
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// orientation of the surface => the underlying topological
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// orientation are not implicitly reversed
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// this is the case in CAS.CADE => If the face_surface is reversed,
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// the wire orientation has to be explictly reversed
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if (FaceBound->Orientation()) {
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// *DTH* if (sameSense || GeomSurf->IsKind(STANDARD_TYPE(Geom_Plane)))
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W.Orientation (sameSense ? TopAbs_FORWARD : TopAbs_REVERSED);
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}
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else {
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// *DTH* if (sameSense || GeomSurf->IsKind(STANDARD_TYPE(Geom_Plane)))
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W.Orientation (sameSense ? TopAbs_REVERSED : TopAbs_FORWARD);
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}
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// -----------------------------
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// The Wire is added to the Face
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// -----------------------------
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B.Add ( F, W );
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}
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else {
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// Il y a eu un probleme dans le mapping : On perd la Face
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// (facon de parler ...) Pas de moyen aujourd hui de recuperer
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// au moins toutes les geometries (Points, Courbes 3D, Surface)
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TP->AddFail(Loop," EdgeLoop not mapped to TopoDS");
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//if(GeomSurf->IsKind(STANDARD_TYPE(Geom_BoundedSurface))) {
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//Standard_Real su1, sv1, su2, sv2;
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//GeomSurf->Bounds(su1, su2, sv1, sv2);
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//if(sv1 == -Precision::Infinite()) sv1 = 0.;
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//if(sv2 == Precision::Infinite()) sv2 = 1.;
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//BRepBuilderAPI_MakeFace mkf(GeomSurf,su1,su2,sv1,sv2);
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//if (mkf.IsDone()) {
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// done shall be standard false but no recipient to
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// to store uncompletally mapped topology
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// see Improvment Resquest DPA/126/95
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//myResult = mkf.Face();
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//done = Standard_True;
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//}
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//}
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// CKY JAN-97 : un Wire manque, eh bien on continue quand meme !!
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// sauf si OuterBound : la c est quand meme pas bien normal ...
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if (FaceBound->IsKind(STANDARD_TYPE(StepShape_FaceOuterBound))) {
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TP->AddWarning(FS,"No Outer Bound : Face not done");
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// return;
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}
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continue;
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// myError = StepToTopoDS_TranslateFaceOther;
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// done = Standard_False;
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// return;
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}
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}
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else {
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// Type not yet implemented or non sens
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TP->AddFail(Loop," Type of loop not yet implemented");
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#ifdef DEBUG
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cout << Loop->DynamicType() << endl;
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#endif
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continue;
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// done = Standard_False;
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// myError = StepToTopoDS_TranslateFaceOther;
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// return;
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}
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}
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F.Orientation ( FS->SameSense() ? TopAbs_FORWARD : TopAbs_REVERSED);
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aTool.Bind(FS,F);
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// Register face in NM tool (ssv; 14.11.2010)
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if ( NMTool.IsActive() )
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NMTool.Bind(StepSurf, F);
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myResult = F;
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myError = StepToTopoDS_TranslateFaceDone;
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done = Standard_True;
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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_TranslateFace::Value() const
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{
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StdFail_NotDone_Raise_if(!done,"");
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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 TranslateFace error
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// ============================================================================
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StepToTopoDS_TranslateFaceError StepToTopoDS_TranslateFace::Error() const
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{
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return myError;
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}
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