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-- File: GeomLib_MakeCurvefromApprox.cdl
-- Created: Tue Jun 13 10:15:20 1995
-- Author: Bruno DUMORTIER
-- <dub@fuegox>
---Copyright: Matra Datavision 1995
class MakeCurvefromApprox from GeomLib
---Purpose: this class is used to construct the BSpline curve
-- from an Approximation ( ApproxAFunction from AdvApprox).
uses
ApproxAFunction from AdvApprox,
BSplineCurve from Geom,
BSplineCurve from Geom2d
raises
NotDone from StdFail,
OutOfRange from Standard
is
Create( Approx : ApproxAFunction from AdvApprox)
returns MakeCurvefromApprox from GeomLib;
IsDone(me) returns Boolean from Standard
---C++: inline
is static;
Nb1DSpaces(me) returns Integer from Standard
---Purpose: returns the number of 1D spaces of the Approx
is static;
Nb2DSpaces(me) returns Integer from Standard
---Purpose: returns the number of 3D spaces of the Approx
is static;
Nb3DSpaces(me) returns Integer from Standard
---Purpose: returns the number of 3D spaces of the Approx
is static;
Curve2d(me; Index2d : Integer from Standard)
---Purpose: returns a polynomial curve whose poles correspond to
-- the Index2d 2D space
returns BSplineCurve from Geom2d
raises
OutOfRange from Standard,
---Purpose: if Index2d not in the Range [1,Nb2dSpaces]
NotDone from StdFail
---Purpose: if the Approx is not Done
is static;
Curve2dFromTwo1d(me; Index1d : Integer from Standard;
Index2d : Integer from Standard)
---Purpose: returns a 2D curve building it from the 1D curve
-- in x at Index1d and y at Index2d amongst the
-- 1D curves
returns BSplineCurve from Geom2d
raises
OutOfRange from Standard,
---Purpose: if Index1d not in the Range [1,Nb1dSpaces]
-- if Index2d not in the Range [1,Nb1dSpaces]
NotDone from StdFail
---Purpose: if the Approx is not Done
is static;
Curve2d(me; Index1d : Integer from Standard;
Index2d : Integer from Standard)
---Purpose: returns a rational curve whose poles correspond to
-- the index2d of the 2D space and whose weights correspond
-- to one dimensional space of index 1d
returns BSplineCurve from Geom2d
raises
OutOfRange from Standard,
---Purpose: if Index1d not in the Range [1,Nb1dSpaces]
-- if Index2d not in the Range [1,Nb2dSpaces]
NotDone from StdFail
---Purpose: if the Approx is not Done
is static;
Curve(me; Index3d : Integer from Standard)
---Purpose: returns a polynomial curve whose poles correspond to
-- the Index3D 3D space
returns BSplineCurve from Geom
raises
OutOfRange from Standard,
---Purpose: if Index3D not in the Range [1,Nb3dSpaces]
NotDone from StdFail
---Purpose: if the Approx is not Done
is static;
Curve (me; Index1D : Integer from Standard;
Index3D : Integer from Standard)
---Purpose: returns a rational curve whose poles correspond to
-- the index3D of the 3D space and whose weights correspond
-- to the index1d 1D space.
returns BSplineCurve from Geom
raises
OutOfRange from Standard,
---Purpose: if Index1D not in the Range [1,Nb1dSpaces]
-- if Index3D not in the Range [1,Nb3dSpaces]
NotDone from StdFail
---Purpose: if the Approx is not Done
is static;
fields
myApprox : ApproxAFunction from AdvApprox;
end MakeCurvefromApprox;
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