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b2d1851c43
TopoDS_Shape::NbChildren() - new method has been introduced. TopoDS_Shape.lxx, TopoDS_TShape.lxx - inline methods have been moved to hxx. TopoDS_TShape_Flags has been redeclared as enumeration instead of preprocessor macros. Cyclic dependency between headers TopoDS_Shape.hxx and TopoDS_TShape.hxx eliminated. Places where TopoDS_Iterator is used only for calculation of number of sub-shapes are updated to use NbChildren() instead
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
// Created on: 1999-02-12
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// Created by: Andrey BETENEV
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// Copyright (c) 1999-1999 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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//#4 szv S4163: optimization
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//: abv 07.04.99 S4136: turn off fixing intersection of non-adjacent edges
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#include <BRep_Builder.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <Geom_BoundedSurface.hxx>
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#include <Precision.hxx>
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#include <ShapeAlgo.hxx>
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#include <ShapeAlgo_AlgoContainer.hxx>
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#include <StepGeom_BoundaryCurve.hxx>
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#include <StepGeom_BSplineSurface.hxx>
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#include <StepGeom_CurveBoundedSurface.hxx>
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#include <StepGeom_HArray1OfSurfaceBoundary.hxx>
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#include <StepToGeom.hxx>
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#include <StepToTopoDS_TranslateCompositeCurve.hxx>
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#include <StepToTopoDS_TranslateCurveBoundedSurface.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 <Transfer_TransientProcess.hxx>
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//=======================================================================
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//function : StepToTopoDS_TranslateCurveBoundedSurface
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//purpose :
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//=======================================================================
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StepToTopoDS_TranslateCurveBoundedSurface::StepToTopoDS_TranslateCurveBoundedSurface ()
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{
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}
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//=======================================================================
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//function : StepToTopoDS_TranslateCurveBoundedSurface
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//purpose :
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//=======================================================================
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StepToTopoDS_TranslateCurveBoundedSurface::StepToTopoDS_TranslateCurveBoundedSurface (
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const Handle(StepGeom_CurveBoundedSurface) &CBS,
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const Handle(Transfer_TransientProcess) &TP)
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{
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Init ( CBS, TP );
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}
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//=======================================================================
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//function : Init
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//purpose :
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//=======================================================================
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Standard_Boolean StepToTopoDS_TranslateCurveBoundedSurface::Init (
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const Handle(StepGeom_CurveBoundedSurface) &CBS,
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const Handle(Transfer_TransientProcess) &TP)
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{
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myFace.Nullify();
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if ( CBS.IsNull() ) return Standard_False;
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// translate basis surface
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Handle(StepGeom_Surface) S = CBS->BasisSurface();
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Handle(Geom_Surface) Surf = StepToGeom::MakeSurface (S);
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if (Surf.IsNull())
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{
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TP->AddFail ( CBS, "Basis surface not translated" );
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return Standard_False;
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}
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// abv 30.06.00: trj4_k1_geo-tu.stp #108: do as in TranslateFace
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// pdn to force bsplsurf to be periodic
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Handle(StepGeom_BSplineSurface) sgbss = Handle(StepGeom_BSplineSurface)::DownCast(S);
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if (!sgbss.IsNull()) {
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Handle(Geom_Surface) periodicSurf = ShapeAlgo::AlgoContainer()->ConvertToPeriodic(Surf);
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if (!periodicSurf.IsNull()) {
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TP->AddWarning(S, "Surface forced to be periodic");
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Surf = periodicSurf;
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}
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}
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// create face
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BRep_Builder B;
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B.MakeFace ( myFace, Surf, Precision::Confusion() );
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// add natural bound if implicit
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if ( CBS->ImplicitOuter() ) {
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if ( Surf->IsKind(STANDARD_TYPE(Geom_BoundedSurface)) ) {
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BRepBuilderAPI_MakeFace mf (Surf, Precision::Confusion());
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myFace = mf.Face();
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}
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else TP->AddWarning ( CBS, "Cannot make natural bounds on infinite surface" );
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}
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// translate boundaries
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Handle(StepGeom_HArray1OfSurfaceBoundary) bnd = CBS->Boundaries();
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Standard_Integer nb = bnd->Length();
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for ( Standard_Integer i=1; i <= nb; i++ ) {
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Handle(StepGeom_CompositeCurve) cc = bnd->Value ( i ).BoundaryCurve();
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if ( cc.IsNull() ) continue;
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StepToTopoDS_TranslateCompositeCurve TrCC ( cc, TP, S, Surf );
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if ( ! TrCC.IsDone() ) {
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TP->AddWarning ( CBS, "Boundary not translated" );
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continue;
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}
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B.Add ( myFace, TrCC.Value() );
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}
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done = ! myFace.IsNull();
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return done;
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}
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//=======================================================================
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//function : Value
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//purpose :
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//=======================================================================
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const TopoDS_Face &StepToTopoDS_TranslateCurveBoundedSurface::Value () const
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{
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return myFace;
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}
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