include/opencascade/BlendFunc_Ruled.hxx

0001 // Created on: 1993-12-02
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1993-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _BlendFunc_Ruled_HeaderFile
0018 #define _BlendFunc_Ruled_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <gp_Pnt.hxx>
0022 #include <gp_Vec.hxx>
0023 #include <gp_Vec2d.hxx>
0024 #include <Blend_Function.hxx>
0025 #include <math_Vector.hxx>
0026 #include <TColgp_Array1OfPnt.hxx>
0027 #include <TColgp_Array1OfVec.hxx>
0028 #include <TColStd_Array1OfReal.hxx>
0029 #include <GeomAbs_Shape.hxx>
0030 #include <TColStd_Array1OfInteger.hxx>
0031 #include <TColgp_Array1OfPnt2d.hxx>
0032 #include <TColgp_Array1OfVec2d.hxx>
0033
0034 class math_Matrix;
0035 class Blend_Point;
0036 class gp_Ax1;
0037
0038 class BlendFunc_Ruled  : public Blend_Function
0039 {
0040 public:
0041
0042   DEFINE_STANDARD_ALLOC
0043
0044
0045   Standard_EXPORT BlendFunc_Ruled(const Handle(Adaptor3d_Surface)& S1, const Handle(Adaptor3d_Surface)& S2, const Handle(Adaptor3d_Curve)& C);
0046
0047   //! returns the number of equations of the function.
0048   Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
0049
0050   //! computes the values <F> of the Functions for the
0051   //! variable <X>.
0052   //! Returns True if the computation was done successfully,
0053   //! False otherwise.
0054   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
0055
0056   //! returns the values <D> of the derivatives for the
0057   //! variable <X>.
0058   //! Returns True if the computation was done successfully,
0059   //! False otherwise.
0060   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
0061
0062   //! returns the values <F> of the functions and the derivatives
0063   //! <D> for the variable <X>.
0064   //! Returns True if the computation was done successfully,
0065   //! False otherwise.
0066   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
0067
0068   Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE;
0069
0070   Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
0071
0072   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE;
0073
0074   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE;
0075
0076   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
0077
0078   //! Returns   the    minimal  Distance  between   two
0079   //! extremities of calculated sections.
0080   Standard_EXPORT Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
0081
0082   Standard_EXPORT const gp_Pnt& PointOnS1() const Standard_OVERRIDE;
0083
0084   Standard_EXPORT const gp_Pnt& PointOnS2() const Standard_OVERRIDE;
0085
0086   Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE;
0087
0088   Standard_EXPORT const gp_Vec& TangentOnS1() const Standard_OVERRIDE;
0089
0090   Standard_EXPORT const gp_Vec2d& Tangent2dOnS1() const Standard_OVERRIDE;
0091
0092   Standard_EXPORT const gp_Vec& TangentOnS2() const Standard_OVERRIDE;
0093
0094   Standard_EXPORT const gp_Vec2d& Tangent2dOnS2() const Standard_OVERRIDE;
0095
0096   //! Returns the tangent vector at the section,
0097   //! at the beginning and the end of the section, and
0098   //! returns the normal (of the surfaces) at
0099   //! these points.
0100   Standard_EXPORT void Tangent (const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, gp_Vec& TgFirst, gp_Vec& TgLast, gp_Vec& NormFirst, gp_Vec& NormLast) const Standard_OVERRIDE;
0101
0102   Standard_EXPORT Standard_Boolean GetSection (const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, TColgp_Array1OfPnt& tabP, TColgp_Array1OfVec& tabV);
0103
0104   //! Returns False
0105   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
0106
0107   //! Returns the length of the maximum section
0108   Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE;
0109
0110   //! Compute the minimal value of weight for each poles
0111   //! of all sections.
0112   Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
0113
0114   //! Returns  the number  of  intervals for  continuity
0115   //! <S>. May be one if Continuity(me) >= <S>
0116   Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
0117
0118   //! Stores in <T> the  parameters bounding the intervals
0119   //! of continuity <S>.
0120   //!
0121   //! The array must provide  enough room to  accommodate
0122   //! for the parameters. i.e. T.Length() > NbIntervals()
0123   //! raises
0124   //! OutOfRange from Standard
0125   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
0126
0127   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
0128
0129   //! Returns the tolerance to reach in approximation
0130   //! to respecte
0131   //! BoundTol error at the Boundary
0132   //! AngleTol tangent error at the Boundary
0133   //! SurfTol error inside the surface.
0134   Standard_EXPORT void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, math_Vector& Tol3d, math_Vector& Tol1D) const Standard_OVERRIDE;
0135
0136   Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
0137
0138   Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
0139
0140   //! Used for the first and last section
0141   Standard_EXPORT Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColgp_Array1OfVec2d& D2Poles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths) Standard_OVERRIDE;
0142
0143   //! Used for the first and last section
0144   Standard_EXPORT Standard_Boolean Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths) Standard_OVERRIDE;
0145
0146   Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
0147
0148   Standard_EXPORT gp_Ax1 AxeRot (const Standard_Real Prm);
0149
0150   Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
0151
0152
0153
0154
0155 protected:
0156
0157
0158
0159
0160
0161 private:
0162
0163
0164
0165   Handle(Adaptor3d_Surface) surf1;
0166   Handle(Adaptor3d_Surface) surf2;
0167   Handle(Adaptor3d_Curve) curv;
0168   gp_Pnt pts1;
0169   gp_Pnt pts2;
0170   Standard_Boolean istangent;
0171   gp_Vec tg1;
0172   gp_Vec2d tg12d;
0173   gp_Vec tg2;
0174   gp_Vec2d tg22d;
0175   gp_Pnt ptgui;
0176   gp_Vec d1gui;
0177   gp_Vec d2gui;
0178   gp_Vec nplan;
0179   Standard_Real normtg;
0180   Standard_Real theD;
0181   Standard_Real distmin;
0182
0183
0184 };
0185
0186
0187
0188
0189
0190
0191
0192 #endif // _BlendFunc_Ruled_HeaderFile