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https://github.com/Open-Cascade-SAS/OCCT.git
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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
269 lines
9.2 KiB
C++
269 lines
9.2 KiB
C++
// Created on: 1999-04-26
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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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// gka 01.06.99 S4205: changing order of splitting surface/curves for converting to bezier
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#include <ShapeUpgrade_FaceDivide.ixx>
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#include <Precision.hxx>
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#include <ShapeExtend.hxx>
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#include <ShapeBuild_Edge.hxx>
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <ShapeFix_ComposeShell.hxx>
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#include <BRepTools.hxx>
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#include <ShapeExtend_CompositeSurface.hxx>
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#include <TopExp_Explorer.hxx>
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#include <Bnd_Box2d.hxx>
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#include <ShapeAnalysis.hxx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <ShapeBuild_ReShape.hxx>
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//=======================================================================
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//function : ShapeUpgrade_FaceDivide
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//purpose :
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//=======================================================================
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ShapeUpgrade_FaceDivide::ShapeUpgrade_FaceDivide():
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ShapeUpgrade_Tool(), myStatus(0)
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{
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mySegmentMode = Standard_True;
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mySplitSurfaceTool = new ShapeUpgrade_SplitSurface;
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myWireDivideTool = new ShapeUpgrade_WireDivide;
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}
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//=======================================================================
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//function : ShapeUpgrade_FaceDivide
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//purpose :
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//=======================================================================
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ShapeUpgrade_FaceDivide::ShapeUpgrade_FaceDivide (const TopoDS_Face &F):
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ShapeUpgrade_Tool(), myStatus(0)
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{
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mySegmentMode = Standard_True;
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mySplitSurfaceTool = new ShapeUpgrade_SplitSurface;
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myWireDivideTool = new ShapeUpgrade_WireDivide;
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Init ( F );
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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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void ShapeUpgrade_FaceDivide::Init (const TopoDS_Face &F)
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{
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myResult = myFace = F;
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}
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//=======================================================================
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//function : SetSurfaceSegmentMode
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//purpose :
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//=======================================================================
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void ShapeUpgrade_FaceDivide::SetSurfaceSegmentMode(const Standard_Boolean Segment)
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{
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mySegmentMode = Segment;
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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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Standard_Boolean ShapeUpgrade_FaceDivide::Perform ()
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{
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myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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if ( myFace.IsNull() ) return Standard_False;
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myResult = myFace;
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SplitSurface();
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SplitCurves();
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return Status ( ShapeExtend_DONE );
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}
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//=======================================================================
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//function : SplitSurface
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeUpgrade_FaceDivide::SplitSurface ()
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{
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Handle(ShapeUpgrade_SplitSurface) SplitSurf = GetSplitSurfaceTool();
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if ( SplitSurf.IsNull() ) return Standard_False;
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// myResult should be face; else return with FAIL
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if ( myResult.IsNull() || myResult.ShapeType() != TopAbs_FACE ) {
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 );
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return Standard_False;
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}
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TopoDS_Face face = TopoDS::Face ( myResult );
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TopLoc_Location L;
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Handle(Geom_Surface) surf;
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surf = BRep_Tool::Surface ( face, L );
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Standard_Real Uf,Ul,Vf,Vl;
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// BRepTools::UVBounds(myFace,Uf,Ul,Vf,Vl);
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ShapeAnalysis::GetFaceUVBounds ( face, Uf, Ul, Vf, Vl );
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if(Precision::IsInfinite(Uf) || Precision::IsInfinite(Ul) ||
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Precision::IsInfinite(Vf) || Precision::IsInfinite(Vl))
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return Standard_False;
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SplitSurf->Init ( surf, Uf, Ul, Vf, Vl );
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SplitSurf->Perform(mySegmentMode);
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// If surface was neither splitted nor modified, do nothing
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if ( ! SplitSurf->Status ( ShapeExtend_DONE ) ) return Standard_False;
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// if surface was modified, force copying all vertices (and edges as consequence)
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// to protect original shape from increasing tolerance after SameParameter
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if ( SplitSurf->Status ( ShapeExtend_DONE3 ) )
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for (TopExp_Explorer exp(face,TopAbs_VERTEX); exp.More(); exp.Next() ) {
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if ( Context()->IsRecorded ( exp.Current() ) ) continue;
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//smh#8
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TopoDS_Shape emptyCopied = exp.Current().EmptyCopied();
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TopoDS_Vertex V = TopoDS::Vertex ( emptyCopied );
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Context()->Replace ( exp.Current(), V );
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}
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Handle(ShapeExtend_CompositeSurface) Grid = SplitSurf->ResSurfaces();
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ShapeFix_ComposeShell CompShell;
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CompShell.Init( Grid, L, face, Precision() );
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CompShell.SetContext(Context());
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CompShell.SetMaxTolerance(MaxTolerance());
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Handle(ShapeUpgrade_WireDivide) SplitWire = GetWireDivideTool();
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if ( ! SplitWire.IsNull() )
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CompShell.SetTransferParamTool(GetWireDivideTool()->GetTransferParamTool());
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CompShell.Perform();
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if ( CompShell.Status ( ShapeExtend_FAIL ) ||
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! CompShell.Status ( ShapeExtend_DONE ) )
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 );
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myResult = CompShell.Result();
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
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return Standard_True;
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}
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//=======================================================================
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//function : SplitCurves
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeUpgrade_FaceDivide::SplitCurves ()
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{
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Handle(ShapeUpgrade_WireDivide) SplitWire = GetWireDivideTool();
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if ( SplitWire.IsNull() ) return Standard_False;
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SplitWire->SetMaxTolerance(MaxTolerance());
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for ( TopExp_Explorer explf(myResult,TopAbs_FACE); explf.More(); explf.Next()) {
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TopoDS_Shape S = Context()->Apply ( explf.Current(), TopAbs_SHAPE);
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// S should be face; else return with FAIL
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if ( S.IsNull() || S.ShapeType() != TopAbs_FACE ) {
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 );
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return Standard_False;
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}
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TopoDS_Face F = TopoDS::Face ( S );
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SplitWire->SetFace ( F );
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for ( TopoDS_Iterator wi(F,Standard_False); wi.More(); wi.Next() ) {
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//TopoDS_Wire wire = TopoDS::Wire ( wi.Value() );
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// modifications already defined in context are to be applied inside SplitWire
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if(wi.Value().ShapeType() !=TopAbs_WIRE)
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continue;
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TopoDS_Wire wire = TopoDS::Wire(wi.Value());
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SplitWire->Load ( wire );
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SplitWire->SetContext(Context());
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SplitWire->Perform ();
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if ( SplitWire->Status ( ShapeExtend_FAIL ) )
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 );
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if ( SplitWire->Status ( ShapeExtend_DONE ) ) {
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myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 );
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Context()->Replace ( wire, SplitWire->Wire() );
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}
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}
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}
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myResult = Context()->Apply ( myResult );
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return Status ( ShapeExtend_DONE );
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}
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//=======================================================================
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//function : Shell
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeUpgrade_FaceDivide::Result () const
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{
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return myResult;
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}
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//=======================================================================
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//function : Status
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeUpgrade_FaceDivide::Status (const ShapeExtend_Status status) const
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{
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return ShapeExtend::DecodeStatus ( myStatus, status );
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}
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//=======================================================================
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//function : SetSplitSurfaceTool
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//purpose :
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//=======================================================================
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void ShapeUpgrade_FaceDivide::SetSplitSurfaceTool(const Handle(ShapeUpgrade_SplitSurface)& splitSurfaceTool)
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{
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mySplitSurfaceTool = splitSurfaceTool;
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}
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//=======================================================================
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//function : SetWireDivideTool
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//purpose :
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//=======================================================================
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void ShapeUpgrade_FaceDivide::SetWireDivideTool(const Handle(ShapeUpgrade_WireDivide)& wireDivideTool)
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{
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myWireDivideTool = wireDivideTool;
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}
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//=======================================================================
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//function : GetSplitSurfaceTool
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//purpose :
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//=======================================================================
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Handle(ShapeUpgrade_SplitSurface) ShapeUpgrade_FaceDivide::GetSplitSurfaceTool () const
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{
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return mySplitSurfaceTool;
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}
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//=======================================================================
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//function : GetWireDivideTool
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//purpose :
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//=======================================================================
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Handle(ShapeUpgrade_WireDivide) ShapeUpgrade_FaceDivide::GetWireDivideTool () const
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{
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return myWireDivideTool;
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}
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