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// File: GeomLib_MakeCurvefromApprox.cxx
// Created: Tue Jun 13 11:09:09 1995
// Author: Bruno DUMORTIER
// <dub@fuegox>
#include <GeomLib_MakeCurvefromApprox.ixx>
#include <gp_Pnt2d.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <TColStd_HArray1OfReal.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <TColStd_HArray1OfInteger.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
//=======================================================================
//function : GeomLib_MakeCurvefromApprox
//purpose :
//=======================================================================
GeomLib_MakeCurvefromApprox::GeomLib_MakeCurvefromApprox
(const AdvApprox_ApproxAFunction& Approx)
:myApprox(Approx)
{
}
//=======================================================================
//function : Nb1DSpaces
//purpose :
//=======================================================================
Standard_Integer GeomLib_MakeCurvefromApprox::Nb1DSpaces() const
{
return myApprox.NumSubSpaces(1);
}
//=======================================================================
//function : Nb2DSpaces
//purpose :
//=======================================================================
Standard_Integer GeomLib_MakeCurvefromApprox::Nb2DSpaces() const
{
return myApprox.NumSubSpaces(2);
}
//=======================================================================
//function : Nb3DSpaces
//purpose :
//=======================================================================
Standard_Integer GeomLib_MakeCurvefromApprox::Nb3DSpaces() const
{
return myApprox.NumSubSpaces(3);
}
//=======================================================================
//function : Curve2d
//purpose :
//=======================================================================
Handle(Geom2d_BSplineCurve) GeomLib_MakeCurvefromApprox::Curve2d
(const Standard_Integer Index2d) const
{
Standard_OutOfRange_Raise_if
( Index2d < 0 || Index2d > Nb2DSpaces(),
" GeomLib_MakeCurvefromApprox : Curve2d");
StdFail_NotDone_Raise_if
( !IsDone(),
" GeomLib_MakeCurvefromApprox : Curve2d");
TColgp_Array1OfPnt2d Poles( 1, myApprox.NbPoles());
TColStd_Array1OfReal Knots( 1, myApprox.NbKnots());
TColStd_Array1OfInteger Mults( 1, myApprox.NbKnots());
myApprox.Poles2d(Index2d, Poles);
Knots = myApprox.Knots()->Array1();
Mults = myApprox.Multiplicities()->Array1();
Handle(Geom2d_BSplineCurve) C =
new Geom2d_BSplineCurve( Poles, Knots, Mults, myApprox.Degree());
return C;
}
//=======================================================================
//function : Curve2d
//purpose :
//=======================================================================
Handle(Geom2d_BSplineCurve) GeomLib_MakeCurvefromApprox::Curve2d
(const Standard_Integer Index1d,
const Standard_Integer Index2d) const
{
Standard_OutOfRange_Raise_if
( Index1d < 0 || Index1d > Nb1DSpaces() ||
Index2d < 0 || Index2d > Nb2DSpaces(),
" GeomLib_MakeCurvefromApprox : Curve2d");
StdFail_NotDone_Raise_if
( !IsDone() && ! myApprox.HasResult(),
" GeomLib_MakeCurvefromApprox : Curve2d");
TColgp_Array1OfPnt2d Poles ( 1, myApprox.NbPoles());
TColStd_Array1OfReal Weigths( 1, myApprox.NbPoles());
TColStd_Array1OfReal Knots ( 1, myApprox.NbKnots());
TColStd_Array1OfInteger Mults ( 1, myApprox.NbKnots());
myApprox.Poles2d(Index2d, Poles);
myApprox.Poles1d(Index1d, Weigths);
Knots = myApprox.Knots()->Array1();
Mults = myApprox.Multiplicities()->Array1();
Standard_Real X,Y,W;
for ( Standard_Integer i = 1; i <= myApprox.NbPoles(); i++) {
W = Weigths(i);
Poles(i).Coord(X,Y);
Poles(i).SetCoord(X/W, Y/W);
}
Handle(Geom2d_BSplineCurve) C =
new Geom2d_BSplineCurve( Poles, Knots, Mults, myApprox.Degree());
return C;
}
//=======================================================================
//function : Curve2dFromTwo1d
//purpose :
//=======================================================================
Handle(Geom2d_BSplineCurve) GeomLib_MakeCurvefromApprox::Curve2dFromTwo1d
(const Standard_Integer Index1d,
const Standard_Integer Index2d) const
{
Standard_OutOfRange_Raise_if
( Index1d < 0 || Index1d > Nb1DSpaces() ||
Index2d < 0 || Index2d > Nb1DSpaces(),
" GeomLib_MakeCurvefromApprox : Curve2d");
StdFail_NotDone_Raise_if
( !IsDone() && ! myApprox.HasResult(),
" GeomLib_MakeCurvefromApprox : Curve2d");
TColgp_Array1OfPnt2d Poles ( 1, myApprox.NbPoles());
TColStd_Array1OfReal Poles1d1( 1, myApprox.NbPoles());
TColStd_Array1OfReal Poles1d2( 1, myApprox.NbPoles());
TColStd_Array1OfReal Knots ( 1, myApprox.NbKnots());
TColStd_Array1OfInteger Mults ( 1, myApprox.NbKnots());
myApprox.Poles1d(Index2d, Poles1d2);
myApprox.Poles1d(Index1d, Poles1d1);
Knots = myApprox.Knots()->Array1();
Mults = myApprox.Multiplicities()->Array1();
// Standard_Real X,Y,W;
for ( Standard_Integer i = 1; i <= myApprox.NbPoles(); i++) {
Poles(i).SetCoord(Poles1d1.Value(i),Poles1d2.Value(i));
}
Handle(Geom2d_BSplineCurve) C =
new Geom2d_BSplineCurve( Poles, Knots, Mults, myApprox.Degree());
return C;
}
//=======================================================================
//function : Curve
//purpose :
//=======================================================================
Handle(Geom_BSplineCurve) GeomLib_MakeCurvefromApprox::Curve
(const Standard_Integer Index3d) const
{
Standard_OutOfRange_Raise_if
( Index3d < 0 || Index3d > Nb3DSpaces(),
" GeomLib_MakeCurvefromApprox : Curve");
StdFail_NotDone_Raise_if
( !IsDone() && ! myApprox.HasResult(),
" GeomLib_MakeCurvefromApprox : Curve");
TColgp_Array1OfPnt Poles( 1, myApprox.NbPoles());
TColStd_Array1OfReal Knots( 1, myApprox.NbKnots());
TColStd_Array1OfInteger Mults( 1, myApprox.NbKnots());
myApprox.Poles(Index3d, Poles);
Knots = myApprox.Knots()->Array1();
Mults = myApprox.Multiplicities()->Array1();
Handle(Geom_BSplineCurve) C =
new Geom_BSplineCurve( Poles, Knots, Mults, myApprox.Degree());
return C;
}
//=======================================================================
//function : Curve
//purpose :
//=======================================================================
Handle(Geom_BSplineCurve) GeomLib_MakeCurvefromApprox::Curve
(const Standard_Integer Index1d,
const Standard_Integer Index3d) const
{
Standard_OutOfRange_Raise_if
( Index1d < 0 || Index1d > Nb1DSpaces() ||
Index3d < 0 || Index3d > Nb3DSpaces(),
" GeomLib_MakeCurvefromApprox : Curve3d");
StdFail_NotDone_Raise_if
( !IsDone(),
" GeomLib_MakeCurvefromApprox : Curve3d");
TColgp_Array1OfPnt Poles ( 1, myApprox.NbPoles());
TColStd_Array1OfReal Weigths( 1, myApprox.NbPoles());
TColStd_Array1OfReal Knots ( 1, myApprox.NbKnots());
TColStd_Array1OfInteger Mults ( 1, myApprox.NbKnots());
myApprox.Poles (Index3d, Poles);
myApprox.Poles1d(Index1d, Weigths);
Knots = myApprox.Knots()->Array1();
Mults = myApprox.Multiplicities()->Array1();
Standard_Real X,Y,Z,W;
for ( Standard_Integer i = 1; i <= myApprox.NbPoles(); i++) {
W = Weigths(i);
Poles(i).Coord(X,Y,Z);
Poles(i).SetCoord(X/W, Y/W, Z/W);
}
Handle(Geom_BSplineCurve) C =
new Geom_BSplineCurve( Poles, Knots, Mults, myApprox.Degree());
return C;
}
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