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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.
122 lines
4.2 KiB
Plaintext
122 lines
4.2 KiB
Plaintext
// Created on: 1993-08-18
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// Created by: Laurent BUCHARD
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// Copyright (c) 1993-1999 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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// Modified by skv - Wed Jun 16 17:36:47 2004 OCC6001
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#include <TColStd_SequenceOfReal.hxx>
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#include <math_FunctionAllRoots.hxx>
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#include <math_FunctionSample.hxx>
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#include <IntSurf_Quadric.hxx>
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#include <GeomAbs_SurfaceType.hxx>
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#define EPSX 0.00000000000001
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#define EPSDIST 0.00000001
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#define EPSNUL 0.00000001
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//================================================================================
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IntCurveSurface_QuadricCurveExactInter::IntCurveSurface_QuadricCurveExactInter(const TheSurface& S,
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const TheCurve& C)
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: nbpnts(-1),nbintv(-1)
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{
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GeomAbs_SurfaceType QuadricType = TheSurfaceTool::GetType(S);
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IntSurf_Quadric Quadric;
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switch(QuadricType) {
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case GeomAbs_Plane: { Quadric.SetValue(TheSurfaceTool::Plane(S)); break; }
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case GeomAbs_Cylinder: { Quadric.SetValue(TheSurfaceTool::Cylinder(S)); break; }
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case GeomAbs_Cone: { Quadric.SetValue(TheSurfaceTool::Cone(S)); break; }
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case GeomAbs_Sphere: { Quadric.SetValue(TheSurfaceTool::Sphere(S)); break; }
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default: {
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//cout<<" Probleme Sur le Type de Surface dans IntCurveSurface_Inter::InternalPerform "<<endl;
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break;
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}
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}
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// Modified by skv - Wed Jun 16 17:36:47 2004 OCC6001 Begin
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Standard_Integer nbIntervals = TheCurveTool::NbIntervals(C, GeomAbs_C1);
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TColStd_Array1OfReal anIntervals(1, nbIntervals + 1);
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Standard_Integer ii;
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TheCurveTool::Intervals(C, anIntervals, GeomAbs_C1);
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for (ii = 1; ii <= nbIntervals; ii++) {
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Standard_Real U1 = anIntervals.Value(ii);
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Standard_Real U2 = anIntervals.Value(ii + 1);
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math_FunctionSample Sample(U1,U2,TheCurveTool::NbSamples(C,U1,U2));
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IntCurveSurface_TheQuadCurvFunc Function(Quadric,C);
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math_FunctionAllRoots Roots(Function,Sample,EPSX,EPSDIST,EPSNUL);
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if(Roots.IsDone()) {
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Standard_Integer nbp = Roots.NbPoints();
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Standard_Integer nbi = Roots.NbIntervals();
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Standard_Integer i;
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for( i = 1; i<=nbp; i++) {
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pnts.Append(Roots.GetPoint(i));
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//-- cout<<" QuadricCurveExactInter : Roots("<<i<<") = "<<Roots.GetPoint(i)<<endl;
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}
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Standard_Real a,b;
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for(i = 1; i<=nbi; i++) {
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Roots.GetInterval(i,a,b);
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//cout<<" QuadricCurveExactInter : RootsSeg("<<i<<") = "<<a<<" , "<<b<<endl;
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intv.Append(a);
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intv.Append(b);
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}
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} else {
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break;
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}
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}
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if (ii > nbIntervals) {
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nbpnts = pnts.Length();
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nbintv = intv.Length()/2;
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}
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// Modified by skv - Wed Jun 16 17:36:47 2004 OCC6001 End
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}
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//================================================================================
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Standard_Boolean IntCurveSurface_QuadricCurveExactInter::IsDone() const {
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return(nbpnts!=-1);
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}
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//================================================================================
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Standard_Integer IntCurveSurface_QuadricCurveExactInter::NbRoots() const {
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return(nbpnts);
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}
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//================================================================================
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Standard_Integer IntCurveSurface_QuadricCurveExactInter::NbIntervals() const {
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return(nbintv);
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}
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//================================================================================
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Standard_Real IntCurveSurface_QuadricCurveExactInter::Root(const Standard_Integer Index) const {
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return(pnts(Index));
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}
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//================================================================================
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void IntCurveSurface_QuadricCurveExactInter::Intervals(const Standard_Integer Index,
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Standard_Real& a,
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Standard_Real& b) const
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{
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Standard_Integer Index2 = Index+Index-1;
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a = intv(Index2);
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b = intv(Index2+1);
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}
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