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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.
169 lines
5.3 KiB
C++
169 lines
5.3 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 <ShapeAnalysis_TransferParameters.ixx>
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#include <Geom_Curve.hxx>
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#include <Geom2d_Curve.hxx>
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#include <ShapeAnalysis_Edge.hxx>
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#include <TColStd_HArray1OfReal.hxx>
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#include <BRep_Tool.hxx>
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#include <gp.hxx>
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#include <ShapeBuild_Edge.hxx>
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//=======================================================================
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//function : ShapeAnalysis_TransferParameters
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//purpose :
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//=======================================================================
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ShapeAnalysis_TransferParameters::ShapeAnalysis_TransferParameters()
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{
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myScale = 1.;
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myShift = 0.;
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}
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//=======================================================================
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//function : ShapeAnalysis_TransferParameters
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//purpose :
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//=======================================================================
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ShapeAnalysis_TransferParameters::ShapeAnalysis_TransferParameters(const TopoDS_Edge& E,
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const TopoDS_Face& F)
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{
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Init(E,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 ShapeAnalysis_TransferParameters::Init(const TopoDS_Edge& E, const TopoDS_Face& F)
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{
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myScale = 1.;
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myShift = 0.;
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Standard_Real l,f,l2d = 0.0,f2d = 0.0;
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TopLoc_Location L;
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myEdge = E;
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ShapeAnalysis_Edge sae;
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Handle(Geom_Curve) curve3d;// = BRep_Tool::Curve (E,f,l);
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sae.Curve3d ( E, curve3d, f, l ,Standard_False);
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myFirst = f;
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myLast = l;
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Handle(Geom2d_Curve) curve2d;// = BRep_Tool::CurveOnSurface (E, F, f2d,l2d);
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// ShapeAnalysis_Edge sae;
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if (! F.IsNull() ) { // process free edges
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sae.PCurve ( E, F, curve2d, f2d, l2d,Standard_False );
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}
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myFirst2d = f2d;
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myLast2d = l2d;
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myFace = F;
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if ( curve3d.IsNull() || curve2d.IsNull() ) return;
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Standard_Real ln2d = l2d - f2d;
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Standard_Real ln3d = l - f;
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myScale = ( ln3d <= gp::Resolution() ? 1. : ln2d / ln3d );
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myShift = f2d - f * myScale;
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}
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//=======================================================================
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//function : SetMaxTolerance
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//purpose :
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//=======================================================================
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void ShapeAnalysis_TransferParameters::SetMaxTolerance( const Standard_Real maxtol )
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{
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myMaxTolerance = maxtol;
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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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Handle(TColStd_HSequenceOfReal) ShapeAnalysis_TransferParameters::Perform
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(const Handle(TColStd_HSequenceOfReal)& Params,
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const Standard_Boolean To2d)
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{
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Handle(TColStd_HSequenceOfReal) res = new TColStd_HSequenceOfReal;
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for (Standard_Integer i = 1 ; i <= Params->Length(); i++)
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res->Append(Perform(Params->Value(i),To2d));
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return res;
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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_Real ShapeAnalysis_TransferParameters::Perform(const Standard_Real Param,
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const Standard_Boolean To2d)
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{
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Standard_Real NewParam;
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if(To2d)
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NewParam = myShift + Param*myScale;
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else
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NewParam = -myShift/myScale + Param*1./myScale;
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return NewParam;
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}
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//=======================================================================
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//function : TransferRange
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//purpose :
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//=======================================================================
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void ShapeAnalysis_TransferParameters::TransferRange(TopoDS_Edge& newEdge,
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const Standard_Real prevPar,
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const Standard_Real currPar,
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const Standard_Boolean Is2d)
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{
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ShapeBuild_Edge sbe;
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if(Is2d) {
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Standard_Real span2d = myLast2d - myFirst2d;
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Standard_Real tmp1,tmp2;
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if(prevPar > currPar) {
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tmp1 = currPar;
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tmp2 = prevPar;
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}
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else {
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tmp1 = prevPar;
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tmp2 = currPar;
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}
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Standard_Real alpha = (tmp1-myFirst2d) / span2d;
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Standard_Real beta = (tmp2 - myFirst2d) / span2d;
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sbe.CopyRanges(newEdge,myEdge, alpha, beta);
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}
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else {
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Standard_Real alpha = (prevPar-myFirst)/(myLast - myFirst);
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Standard_Real beta = (currPar - myFirst)/(myLast - myFirst);
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sbe.CopyRanges(newEdge,myEdge, alpha, beta);
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}
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}
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//=======================================================================
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//function : IsSameRange
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//purpose :
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//=======================================================================
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Standard_Boolean ShapeAnalysis_TransferParameters::IsSameRange() const
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{
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return myShift == 0. && myScale == 1.;
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}
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