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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
200 lines
8.8 KiB
C++
200 lines
8.8 KiB
C++
// Created on: 1994-03-23
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// Created by: Bruno DUMORTIER
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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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#ifndef _Geom2dAPI_PointsToBSpline_HeaderFile
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#define _Geom2dAPI_PointsToBSpline_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <Standard_Integer.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Real.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <Approx_ParametrizationType.hxx>
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class Geom2d_BSplineCurve;
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class StdFail_NotDone;
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class Standard_OutOfRange;
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//! This class is used to approximate a BsplineCurve
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//! passing through an array of points, with a given
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//! Continuity.
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//! Describes functions for building a 2D BSpline
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//! curve which approximates a set of points.
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//! A PointsToBSpline object provides a framework for:
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//! - defining the data of the BSpline curve to be built,
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//! - implementing the approximation algorithm, and
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//! - consulting the results
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class Geom2dAPI_PointsToBSpline
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Constructs an empty approximation algorithm.
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//! Use an Init function to define and build the BSpline curve.
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Standard_EXPORT Geom2dAPI_PointsToBSpline();
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//! Approximate a BSpline Curve passing through an
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//! array of Point. The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT Geom2dAPI_PointsToBSpline(const TColgp_Array1OfPnt2d& Points, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-6);
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//! Approximate a BSpline Curve passing through an
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//! array of Point. Of coordinates :
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//!
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//! X = X0 + DX * (i-YValues.Lower())
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//! Y = YValues(i)
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//!
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//! With i in the range YValues.Lower(), YValues.Upper()
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//!
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//! The BSpline will be parametrized from t = X0 to
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//! X0 + DX * (YValues.Upper() - YValues.Lower())
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//!
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//! And will satisfy X(t) = t
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//!
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//! The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT Geom2dAPI_PointsToBSpline(const TColStd_Array1OfReal& YValues, const Standard_Real X0, const Standard_Real DX, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-6);
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//! Approximate a BSpline Curve passing through an
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//! array of Point. The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT Geom2dAPI_PointsToBSpline(const TColgp_Array1OfPnt2d& Points, const Approx_ParametrizationType ParType, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-3);
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//! Approximate a BSpline Curve passing through an
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//! array of Point, which parameters are given by the
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//! array <Parameters>.
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//! The resulting BSpline will have the following
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//! properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT Geom2dAPI_PointsToBSpline(const TColgp_Array1OfPnt2d& Points, const TColStd_Array1OfReal& Parameters, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-3);
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//! Approximate a BSpline Curve passing through an
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//! array of Point using variational smoothing algorithm,
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//! which tries to minimize additional criterium:
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//! Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion
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Standard_EXPORT Geom2dAPI_PointsToBSpline(const TColgp_Array1OfPnt2d& Points, const Standard_Real Weight1, const Standard_Real Weight2, const Standard_Real Weight3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol3D = 1.0e-3);
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//! Approximate a BSpline Curve passing through an
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//! array of Point. The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT void Init (const TColgp_Array1OfPnt2d& Points, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-6);
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//! Approximate a BSpline Curve passing through an
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//! array of Point. Of coordinates :
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//!
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//! X = X0 + DX * (i-YValues.Lower())
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//! Y = YValues(i)
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//!
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//! With i in the range YValues.Lower(), YValues.Upper()
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//!
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//! The BSpline will be parametrized from t = X0 to
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//! X0 + DX * (YValues.Upper() - YValues.Lower())
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//!
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//! And will satisfy X(t) = t
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//!
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//! The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT void Init (const TColStd_Array1OfReal& YValues, const Standard_Real X0, const Standard_Real DX, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-6);
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//! Approximate a BSpline Curve passing through an
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//! array of Point. The resulting BSpline will have
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//! the following properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT void Init (const TColgp_Array1OfPnt2d& Points, const Approx_ParametrizationType ParType, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-3);
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//! Approximate a BSpline Curve passing through an
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//! array of Point, which parameters are given by the
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//! array <Parameters>.
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//! The resulting BSpline will have the following
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//! properties:
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//! 1- his degree will be in the range [Degmin,Degmax]
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//! 2- his continuity will be at least <Continuity>
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//! 3- the distance from the point <Points> to the
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//! BSpline will be lower to Tol2D
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Standard_EXPORT void Init (const TColgp_Array1OfPnt2d& Points, const TColStd_Array1OfReal& Parameters, const Standard_Integer DegMin = 3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-3);
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//! Approximate a BSpline Curve passing through an
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//! array of Point using variational smoothing algorithm,
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//! which tries to minimize additional criterium:
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//! Weight1*CurveLength + Weight2*Curvature + Weight3*Torsion
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Standard_EXPORT void Init (const TColgp_Array1OfPnt2d& Points, const Standard_Real Weight1, const Standard_Real Weight2, const Standard_Real Weight3, const Standard_Integer DegMax = 8, const GeomAbs_Shape Continuity = GeomAbs_C2, const Standard_Real Tol2D = 1.0e-3);
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//! Returns the approximate BSpline Curve
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Standard_EXPORT const Handle(Geom2d_BSplineCurve)& Curve() const;
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Standard_EXPORT operator Handle(Geom2d_BSplineCurve)() const;
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Standard_EXPORT Standard_Boolean IsDone() const;
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protected:
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private:
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Standard_Boolean myIsDone;
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Handle(Geom2d_BSplineCurve) myCurve;
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};
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#endif // _Geom2dAPI_PointsToBSpline_HeaderFile
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