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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.
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
// Created on: 1994-03-23
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// Created by: Jean Marc LACHAUME
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// Copyright (c) 1994-1999 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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#include <Geom2dHatch_Intersector.ixx>
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#include <ElCLib.hxx>
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#include <Geom2d_Line.hxx>
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#include <Precision.hxx>
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#include <Geom2dLProp_CLProps2d.hxx>
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//=======================================================================
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//function : Geom2dHatch_Intersector
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//purpose :
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//=======================================================================
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Geom2dHatch_Intersector::Geom2dHatch_Intersector() :
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myConfusionTolerance(0.0),
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myTangencyTolerance(0.0)
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{
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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 Geom2dHatch_Intersector::Perform(const gp_Lin2d& L,
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const Standard_Real P,
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const Standard_Real Tol,
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const Geom2dAdaptor_Curve& C)
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{
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//Standard_Real pfbid,plbid;
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IntRes2d_Domain DL;
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if(P!=RealLast())
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DL.SetValues(L.Location(),0.,Tol,ElCLib::Value(P,L),P,Tol);
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else
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DL.SetValues(L.Location(),0.,Tol,Standard_True);
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IntRes2d_Domain DE(C.Value(C.FirstParameter()),
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C.FirstParameter(),Precision::PIntersection(),
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C.Value(C.LastParameter()),
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C.LastParameter(),Precision::PIntersection());
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Handle(Geom2d_Line) GL= new Geom2d_Line(L);
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Geom2dAdaptor_Curve CGA(GL);
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void *ptrpoureviterlesproblemesdeconst = (void *)(&C);
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Geom2dInt_GInter Inter(CGA,
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DL,
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*((Geom2dAdaptor_Curve *)ptrpoureviterlesproblemesdeconst),
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DE,
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Precision::PConfusion(),
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Precision::PIntersection());
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this->SetValues(Inter);
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}
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//=======================================================================
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//function : LocalGeometry
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//purpose :
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//=======================================================================
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void Geom2dHatch_Intersector::LocalGeometry(const Geom2dAdaptor_Curve& E,
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const Standard_Real U,
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gp_Dir2d& Tang,
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gp_Dir2d& Norm,
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Standard_Real& C) const
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{
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//Standard_Real f,l;
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Geom2dLProp_CLProps2d Prop(E.Curve(),U,2,Precision::PConfusion());
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if(!Prop.IsTangentDefined()) return;
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Prop.Tangent(Tang);
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C = Prop.Curvature();
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if (C > Precision::PConfusion() && C<RealLast())
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Prop.Normal(Norm);
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else
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Norm.SetCoord(Tang.Y(),-Tang.X());
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}
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