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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.
152 lines
5.0 KiB
C++
152 lines
5.0 KiB
C++
// 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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#include <ShapeFix_SplitCommonVertex.ixx>
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#include <BRep_Tool.hxx>
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#include <BRep_Builder.hxx>
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#include <gp_Pnt.hxx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <ShapeBuild_ReShape.hxx>
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#include <ShapeBuild_Edge.hxx>
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#include <ShapeExtend.hxx>
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#include <ShapeExtend_WireData.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopTools_SequenceOfShape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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//=======================================================================
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//function : ShapeFix_SplitCommonVertex
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//purpose :
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//=======================================================================
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ShapeFix_SplitCommonVertex::ShapeFix_SplitCommonVertex()
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{
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myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
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SetPrecision(Precision::Confusion());
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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 ShapeFix_SplitCommonVertex::Init(const TopoDS_Shape& S)
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{
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myShape = S;
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if ( Context().IsNull() )
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SetContext ( new ShapeBuild_ReShape );
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myResult = myShape;
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Context()->Apply(myShape);
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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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void ShapeFix_SplitCommonVertex::Perform()
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{
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TopAbs_ShapeEnum st = myShape.ShapeType();
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if(st>TopAbs_FACE) return;
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for(TopExp_Explorer itf(myShape,TopAbs_FACE); itf.More(); itf.Next()) {
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TopoDS_Shape tmpFace = Context()->Apply(itf.Current());
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TopoDS_Face F = TopoDS::Face(tmpFace);
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if(F.IsNull()) continue;
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// analys face and split if necessary
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TopTools_SequenceOfShape wires;
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for(TopoDS_Iterator itw(F,Standard_False); itw.More(); itw.Next()) {
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if(itw.Value().ShapeType() != TopAbs_WIRE)
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continue;
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wires.Append(itw.Value());
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}
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if(wires.Length()<2) continue;
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TopTools_DataMapOfShapeShape MapVV;
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MapVV.Clear();
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for(Standard_Integer nw1=1; nw1<wires.Length(); nw1++) {
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TopoDS_Wire w1 = TopoDS::Wire(wires.Value(nw1));
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Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData(w1);
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for(Standard_Integer nw2=nw1+1; nw2<=wires.Length(); nw2++) {
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TopoDS_Wire w2 = TopoDS::Wire(wires.Value(nw2));
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Handle(ShapeExtend_WireData) sewd2 = new ShapeExtend_WireData(w2);
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for(TopExp_Explorer expv1(w1,TopAbs_VERTEX); expv1.More(); expv1.Next()) {
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TopoDS_Vertex V1 = TopoDS::Vertex(expv1.Current());
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for(TopExp_Explorer expv2(w2,TopAbs_VERTEX); expv2.More(); expv2.Next()) {
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TopoDS_Vertex V2 = TopoDS::Vertex(expv2.Current());
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if(V1==V2) {
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// common vertex exists
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TopoDS_Vertex Vnew;
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if(MapVV.IsBound(V2)) {
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Vnew = TopoDS::Vertex(MapVV.Find(V2));
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}
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else {
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gp_Pnt P = BRep_Tool::Pnt(V2);
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Standard_Real tol = BRep_Tool::Tolerance(V2);
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BRep_Builder B;
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B.MakeVertex(Vnew,P,tol);
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MapVV.Bind(V2,Vnew);
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}
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ShapeBuild_Edge sbe;
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ShapeAnalysis_Edge sae;
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for(Standard_Integer ne2=1; ne2<=sewd2->NbEdges(); ne2++) {
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TopoDS_Edge E = sewd2->Edge(ne2);
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TopoDS_Vertex FV = sae.FirstVertex(E);
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TopoDS_Vertex LV = sae.LastVertex(E);
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Standard_Boolean IsCoinc = Standard_False;
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if(FV==V2) {
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FV=Vnew;
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IsCoinc = Standard_True;
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}
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if(LV==V2) {
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LV=Vnew;
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IsCoinc = Standard_True;
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}
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if(IsCoinc) {
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TopoDS_Edge NewE = sbe.CopyReplaceVertices(E,FV,LV);
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Context()->Replace(E,NewE);
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}
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}
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}
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}
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}
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}
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}
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}
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myShape = Context()->Apply(myShape);
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}
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//=======================================================================
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//function : Shape
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//purpose :
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//=======================================================================
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TopoDS_Shape ShapeFix_SplitCommonVertex::Shape()
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{
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return myShape;
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}
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