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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.
314 lines
8.8 KiB
C++
314 lines
8.8 KiB
C++
// Created on: 1997-12-05
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 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 <stdio.h>
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#include <GeomFill_UniformSection.ixx>
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#include <GeomConvert.hxx>
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#include <Convert_ParameterisationType.hxx>
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#include <Geom_Geometry.hxx>
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#include <Geom_Surface.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GCPnts_AbscissaPoint.hxx>
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#include <TColgp_Array2OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#include <Precision.hxx>
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#ifdef DRAW
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#include <DrawTrSurf.hxx>
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static Standard_Integer NumSec = 0;
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static Standard_Boolean Affich = 0;
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#endif
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GeomFill_UniformSection::GeomFill_UniformSection(const Handle(Geom_Curve)& C,
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const Standard_Real FirstParameter,
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const Standard_Real LastParameter)
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: First(FirstParameter),
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Last(LastParameter)
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{
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mySection = Handle(Geom_Curve)::DownCast(C->Copy());
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myCurve = Handle(Geom_BSplineCurve)::DownCast(C);
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if (myCurve.IsNull()) {
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myCurve = GeomConvert::CurveToBSplineCurve(C, Convert_QuasiAngular);
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if (myCurve->IsPeriodic()) {
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Standard_Integer M = myCurve->Degree()/2+1;
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myCurve->RemoveKnot(1, M, Precision::Confusion());
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}
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}
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#if DRAW
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if (Affich) {
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char name[256];
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sprintf(name,"UnifSect_%d",++NumSec);
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DrawTrSurf::Set(name, myCurve);
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}
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#endif
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}
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//=======================================================
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// Purpose :D0
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::D0(const Standard_Real,
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TColgp_Array1OfPnt& Poles,
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TColStd_Array1OfReal& Weights)
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{
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myCurve->Poles(Poles);
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myCurve->Weights(Weights);
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return Standard_True;
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}
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//=======================================================
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// Purpose :D1
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::D1(const Standard_Real,
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TColgp_Array1OfPnt& Poles,
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TColgp_Array1OfVec& DPoles,
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TColStd_Array1OfReal& Weights,
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TColStd_Array1OfReal& DWeights)
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{
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myCurve->Poles(Poles);
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myCurve->Weights(Weights);
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gp_Vec V0(0, 0, 0);
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DPoles.Init(V0);
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DWeights.Init(0);
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return Standard_True;
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}
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//=======================================================
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// Purpose :D2
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::D2(const Standard_Real,
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TColgp_Array1OfPnt& Poles,
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TColgp_Array1OfVec& DPoles,
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TColgp_Array1OfVec& D2Poles,
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TColStd_Array1OfReal& Weights,
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TColStd_Array1OfReal& DWeights,
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TColStd_Array1OfReal& D2Weights)
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{
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myCurve->Poles(Poles);
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myCurve->Weights(Weights);
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gp_Vec V0(0, 0, 0);
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DPoles.Init(V0);
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DWeights.Init(0);
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D2Poles.Init(V0);
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D2Weights.Init(0);
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return Standard_True;
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}
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//=======================================================
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// Purpose :BSplineSurface()
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//=======================================================
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Handle(Geom_BSplineSurface) GeomFill_UniformSection::BSplineSurface() const
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{
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Standard_Integer ii, NbPoles = myCurve->NbPoles();
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TColgp_Array2OfPnt Poles( 1, NbPoles, 1, 2);
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TColStd_Array1OfReal UKnots(1,myCurve->NbKnots()), VKnots(1,2);
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TColStd_Array1OfInteger UMults(1,myCurve->NbKnots()), VMults(1,2);
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for (ii=1; ii <= NbPoles; ii++) {
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Poles(ii, 1) = Poles(ii, 2) = myCurve->Pole(ii);
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}
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myCurve->Knots(UKnots);
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VKnots(1) = First;
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VKnots(2) = Last;
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myCurve->Multiplicities(UMults);
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VMults.Init(2);
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Handle(Geom_BSplineSurface) BS =
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new (Geom_BSplineSurface) ( Poles,
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UKnots, VKnots,
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UMults, VMults,
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myCurve->Degree(), 1,
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myCurve->IsPeriodic());
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return BS;
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}
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//=======================================================
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// Purpose :SectionShape
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//=======================================================
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void GeomFill_UniformSection::SectionShape(Standard_Integer& NbPoles,
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Standard_Integer& NbKnots,
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Standard_Integer& Degree) const
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{
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NbPoles = myCurve->NbPoles();
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NbKnots = myCurve->NbKnots();
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Degree = myCurve->Degree();
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}
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void GeomFill_UniformSection::Knots(TColStd_Array1OfReal& TKnots) const
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{
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myCurve->Knots(TKnots);
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}
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//=======================================================
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// Purpose :Mults
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//=======================================================
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void GeomFill_UniformSection::Mults(TColStd_Array1OfInteger& TMults) const
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{
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myCurve->Multiplicities(TMults);
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}
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//=======================================================
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// Purpose :IsRational
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::IsRational() const
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{
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return myCurve->IsRational();
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}
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//=======================================================
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// Purpose :IsUPeriodic
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::IsUPeriodic() const
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{
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return myCurve->IsPeriodic();
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}
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//=======================================================
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// Purpose :IsVPeriodic
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//=======================================================
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Standard_Boolean GeomFill_UniformSection::IsVPeriodic() const
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{
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return Standard_True;
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}
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//=======================================================
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// Purpose :NbIntervals
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//=======================================================
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// Standard_Integer GeomFill_UniformSection::NbIntervals(const GeomAbs_Shape S) const
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Standard_Integer GeomFill_UniformSection::NbIntervals(const GeomAbs_Shape ) const
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{
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return 1;
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}
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//=======================================================
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// Purpose :Intervals
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//=======================================================
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void GeomFill_UniformSection::Intervals(TColStd_Array1OfReal& T,
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// const GeomAbs_Shape S) const
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const GeomAbs_Shape ) const
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{
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T(T.Lower()) = First;
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T(T.Upper()) = Last;
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}
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//=======================================================
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// Purpose : SetInterval
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//=======================================================
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void GeomFill_UniformSection::SetInterval(const Standard_Real,
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const Standard_Real)
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{
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// Ne fait Rien
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}
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//=======================================================
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// Purpose : GetInterval
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//=======================================================
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void GeomFill_UniformSection::GetInterval(Standard_Real& F,
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Standard_Real& L) const
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{
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F = First;
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L = Last;
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}
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//=======================================================
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// Purpose : GetDomain
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//=======================================================
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void GeomFill_UniformSection::GetDomain(Standard_Real& F,
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Standard_Real& L) const
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{
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F = First;
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L = Last;
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}
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//=======================================================
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// Purpose : GetTolerance
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//=======================================================
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void GeomFill_UniformSection::GetTolerance(const Standard_Real BoundTol,
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const Standard_Real SurfTol,
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// const Standard_Real AngleTol,
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const Standard_Real ,
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TColStd_Array1OfReal& Tol3d) const
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{
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Tol3d.Init(SurfTol);
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if (BoundTol<SurfTol) {
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Tol3d(Tol3d.Lower()) = BoundTol;
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Tol3d(Tol3d.Upper()) = BoundTol;
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}
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}
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//=======================================================
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// Purpose :
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//=======================================================
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gp_Pnt GeomFill_UniformSection::BarycentreOfSurf() const
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{
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Standard_Real U = mySection->FirstParameter(), Delta;
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gp_Pnt P, Bary;
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Delta = ( myCurve->LastParameter() - U ) / 20;
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Bary.SetCoord(0., 0., 0.);
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for (Standard_Integer ii=0; ii <=20; ii++, U+=Delta) {
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P = myCurve->Value(U);
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Bary.ChangeCoord() += P.XYZ();
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}
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Bary.ChangeCoord() /= 21.;
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return Bary;
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}
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Standard_Real GeomFill_UniformSection::MaximalSection() const
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{
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GeomAdaptor_Curve AC (mySection);
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return GCPnts_AbscissaPoint::Length(AC);
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}
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void GeomFill_UniformSection::GetMinimalWeight(TColStd_Array1OfReal& Weights) const
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{
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if (myCurve->IsRational()) {
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myCurve->Weights(Weights);
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}
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else {
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Weights.Init(1);
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}
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}
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Standard_Boolean GeomFill_UniformSection::IsConstant(Standard_Real& Error) const
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{
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Error = 0.;
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return Standard_True;
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}
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Handle(Geom_Curve) GeomFill_UniformSection::ConstantSection() const
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{
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Handle(Geom_Curve) C;
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C = Handle(Geom_Curve)::DownCast( mySection->Copy());
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return C;
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}
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