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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.
132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
// Created on: 2000-05-25
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// Created by: data exchange team
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// Copyright (c) 2000-2014 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 <ShapeUpgrade_ClosedEdgeDivide.ixx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom2d_Curve.hxx>
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#include <BRep_Tool.hxx>
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#include <TColStd_HSequenceOfReal.hxx>
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#include <ShapeUpgrade_SplitCurve3d.hxx>
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#include <ShapeUpgrade_SplitCurve2d.hxx>
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#include <gp_Pnt.hxx>
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#include <Geom_Surface.hxx>
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#include <gp_Pnt2d.hxx>
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//=======================================================================
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//function : ShapeUpgrade_ClosedEdgeDivide
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//purpose :
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//=======================================================================
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ShapeUpgrade_ClosedEdgeDivide::ShapeUpgrade_ClosedEdgeDivide():
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ShapeUpgrade_EdgeDivide()
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{
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeUpgrade_ClosedEdgeDivide::Compute(const TopoDS_Edge& anEdge)
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{
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Clear();
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ShapeAnalysis_Edge sae;
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TopoDS_Vertex V1 = sae.FirstVertex(anEdge);
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TopoDS_Vertex V2 = sae.LastVertex(anEdge);
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if( V1.IsSame(V2) && !BRep_Tool::Degenerated ( anEdge ) ) {
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const Standard_Integer nbPoints = 23;
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gp_Pnt pntV = BRep_Tool::Pnt(V1);
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Standard_Real TolV1 = LimitTolerance( BRep_Tool::Tolerance(V1) );
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TolV1=TolV1*TolV1;
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Standard_Real f, l;
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Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l);
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myHasCurve3d = !curve3d.IsNull();
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Standard_Real f2d = 0., l2d = 0.;
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Handle(Geom2d_Curve) pcurve1;
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if ( ! myFace.IsNull() ) { // process free edges
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sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False);
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}
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myHasCurve2d = !pcurve1.IsNull();
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if ( myHasCurve3d ) {
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Standard_Real maxPar = f, dMax = 0;
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Standard_Real step = (l-f)/(nbPoints-1);
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Standard_Real param = f+step;
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for (Standard_Integer i = 1; i < 23; i++, param+=step) {
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gp_Pnt curPnt = curve3d->Value(param);
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Standard_Real dist = pntV.SquareDistance(curPnt);
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if(dist > dMax) {
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maxPar = param;
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dMax = dist;
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}
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}
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if(dMax > TolV1) {
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Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool();
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theSplit3dTool->Init(curve3d,f,l);
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Handle(TColStd_HSequenceOfReal) values = new TColStd_HSequenceOfReal;
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values->Append(maxPar);
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theSplit3dTool->SetSplitValues(values);
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myKnots3d = theSplit3dTool->SplitValues();
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if(myHasCurve2d) {
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Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
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theSplit2dTool->Init(pcurve1,f2d,l2d);
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myKnots2d = theSplit2dTool->SplitValues();
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}
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return Standard_True;
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}
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else
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return Standard_False;
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}
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if ( myHasCurve2d ) {
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Handle(Geom_Surface) surf = BRep_Tool::Surface(myFace);
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Standard_Real maxPar = f2d, dMax = 0;
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Standard_Real step = (l2d-f2d)/(nbPoints-1);
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Standard_Real param = f2d+step;
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for (Standard_Integer i = 1; i < 23; i++, param+=step) {
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gp_Pnt2d p2d = pcurve1->Value(param);
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gp_Pnt curPnt = surf->Value(p2d.X(),p2d.Y());
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Standard_Real dist = pntV.SquareDistance(curPnt);
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if(dist > dMax) {
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maxPar = param;
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dMax = dist;
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}
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}
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if(dMax > TolV1) {
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Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool();
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theSplit2dTool->Init(pcurve1,f2d,l2d);
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Handle(TColStd_HSequenceOfReal) values = new TColStd_HSequenceOfReal;
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values->Append(maxPar);
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theSplit2dTool->SetSplitValues(values);
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myKnots2d = theSplit2dTool->SplitValues();
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return Standard_True;
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}
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else
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return Standard_False;
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}
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return Standard_False;
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}
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else
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return Standard_False;
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}
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