include/opencascade/BRepBlend_RstRstEvolRad.hxx

0001 // Created on: 1997-02-06
0002 // Created by: Laurent BOURESCHE
0003 // Copyright (c) 1997-1999 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 _BRepBlend_RstRstEvolRad_HeaderFile
0018 #define _BRepBlend_RstRstEvolRad_HeaderFile
0019
0020 #include <Adaptor3d_CurveOnSurface.hxx>
0021 #include <Adaptor3d_Surface.hxx>
0022 #include <gp_Pnt.hxx>
0023 #include <gp_Pnt2d.hxx>
0024 #include <gp_Vec.hxx>
0025 #include <gp_Vec2d.hxx>
0026 #include <BlendFunc_SectionShape.hxx>
0027 #include <Convert_ParameterisationType.hxx>
0028 #include <Blend_RstRstFunction.hxx>
0029 #include <math_Vector.hxx>
0030 #include <Blend_DecrochStatus.hxx>
0031 #include <TColStd_Array1OfReal.hxx>
0032 #include <GeomAbs_Shape.hxx>
0033 #include <TColStd_Array1OfInteger.hxx>
0034 #include <TColgp_Array1OfPnt.hxx>
0035 #include <TColgp_Array1OfVec.hxx>
0036 #include <TColgp_Array1OfPnt2d.hxx>
0037 #include <TColgp_Array1OfVec2d.hxx>
0038
0039 class Law_Function;
0040 class math_Matrix;
0041 class gp_Circ;
0042 class Blend_Point;
0043
0044
0045 //! Function  to approximate by AppSurface  for
0046 //! Edge/Edge  and  evolutif  radius
0047 class BRepBlend_RstRstEvolRad  : public Blend_RstRstFunction
0048 {
0049 public:
0050
0051   DEFINE_STANDARD_ALLOC
0052
0053
0054   Standard_EXPORT BRepBlend_RstRstEvolRad(const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor2d_Curve2d)& Rst1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(Adaptor2d_Curve2d)& Rst2, const Handle(Adaptor3d_Curve)& CGuide, const Handle(Law_Function)& Evol);
0055
0056   //! Returns 2.
0057   Standard_EXPORT Standard_Integer NbVariables() const Standard_OVERRIDE;
0058
0059   //! Returns 2.
0060   Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE;
0061
0062   //! computes the values <F> of the Functions for the
0063   //! variable <X>.
0064   //! Returns True if the computation was done successfully,
0065   //! False otherwise.
0066   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
0067
0068   //! returns the values <D> of the derivatives for the
0069   //! variable <X>.
0070   //! Returns True if the computation was done successfully,
0071   //! False otherwise.
0072   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
0073
0074   //! returns the values <F> of the functions and the derivatives
0075   //! <D> for the variable <X>.
0076   //! Returns True if the computation was done successfully,
0077   //! False otherwise.
0078   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
0079
0080   Standard_EXPORT void Set (const Handle(Adaptor3d_Surface)& SurfRef1, const Handle(Adaptor2d_Curve2d)& RstRef1, const Handle(Adaptor3d_Surface)& SurfRef2, const Handle(Adaptor2d_Curve2d)& RstRef2);
0081
0082   Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE;
0083
0084   //! Sets the bounds of the parametric interval on
0085   //! the guide line.
0086   //! This determines the derivatives in these values if the
0087   //! function is not Cn.
0088   Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
0089
0090   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE;
0091
0092   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE;
0093
0094   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE;
0095
0096   //! Returns   the    minimal  Distance  between   two
0097   //! extremities of calculated sections.
0098   Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
0099
0100   Standard_EXPORT const gp_Pnt& PointOnRst1() const Standard_OVERRIDE;
0101
0102   Standard_EXPORT const gp_Pnt& PointOnRst2() const Standard_OVERRIDE;
0103
0104   //! Returns U,V coordinates of the point on the surface.
0105   Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst1() const Standard_OVERRIDE;
0106
0107   //! Returns  U,V coordinates of the point  on the curve on
0108   //! surface.
0109   Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst2() const Standard_OVERRIDE;
0110
0111   //! Returns parameter of the point on the curve.
0112   Standard_EXPORT Standard_Real ParameterOnRst1() const Standard_OVERRIDE;
0113
0114   //! Returns parameter of the point on the curve.
0115   Standard_EXPORT Standard_Real ParameterOnRst2() const Standard_OVERRIDE;
0116
0117   Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE;
0118
0119   Standard_EXPORT const gp_Vec& TangentOnRst1() const Standard_OVERRIDE;
0120
0121   Standard_EXPORT const gp_Vec2d& Tangent2dOnRst1() const Standard_OVERRIDE;
0122
0123   Standard_EXPORT const gp_Vec& TangentOnRst2() const Standard_OVERRIDE;
0124
0125   Standard_EXPORT const gp_Vec2d& Tangent2dOnRst2() const Standard_OVERRIDE;
0126
0127   //! Enables  implementation of a criterion  of  decrochage
0128   //! specific to the function.
0129   Standard_EXPORT Blend_DecrochStatus Decroch (const math_Vector& Sol, gp_Vec& NRst1, gp_Vec& TgRst1, gp_Vec& NRst2, gp_Vec& TgRst2) const Standard_OVERRIDE;
0130
0131   Standard_EXPORT void Set (const Standard_Integer Choix);
0132
0133   //! Sets  the  type  of   section generation   for the
0134   //! approximations.
0135   Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection);
0136
0137   //! Gives the center of circle defined   by PtRst1, PtRst2 and
0138   //! radius ray.
0139   Standard_EXPORT Standard_Boolean CenterCircleRst1Rst2 (const gp_Pnt& PtRst1, const gp_Pnt& PtRst2, const gp_Vec& np, gp_Pnt& Center, gp_Vec& VdMed) const;
0140
0141   Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
0142
0143   //! Returns  if the section is rationnal
0144   Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
0145
0146   //! Returns the length of the maximum section
0147   Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE;
0148
0149   //! Compute the minimal value of weight for each poles
0150   //! of all sections.
0151   Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
0152
0153   //! Returns  the number  of  intervals for  continuity
0154   //! <S>. May be one if Continuity(me) >= <S>
0155   Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
0156
0157   //! Stores in <T> the  parameters bounding the intervals
0158   //! of continuity <S>.
0159   //! The array must provide  enough room to  accommodate
0160   //! for the parameters. i.e. T.Length() > NbIntervals()
0161   Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
0162
0163   Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE;
0164
0165   //! Returns the tolerance to reach in approximation
0166   //! to respecte
0167   //! BoundTol error at the Boundary
0168   //! AngleTol tangent error at the Boundary
0169   //! SurfTol error inside the surface.
0170   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;
0171
0172   Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE;
0173
0174   Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE;
0175
0176   //! Used for the first and last section
0177   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;
0178
0179   Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE;
0180
0181   //! Used for the first and last section
0182   //! The method returns Standard_True if the derivatives
0183   //! are computed, otherwise it returns Standard_False.
0184   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;
0185
0186   Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE;
0187
0188
0189
0190
0191 protected:
0192
0193
0194
0195
0196
0197 private:
0198
0199
0200
0201   Handle(Adaptor3d_Surface) surf1;
0202   Handle(Adaptor3d_Surface) surf2;
0203   Handle(Adaptor2d_Curve2d) rst1;
0204   Handle(Adaptor2d_Curve2d) rst2;
0205   Adaptor3d_CurveOnSurface cons1;
0206   Adaptor3d_CurveOnSurface cons2;
0207   Handle(Adaptor3d_Curve) guide;
0208   Handle(Adaptor3d_Curve) tguide;
0209   gp_Pnt ptrst1;
0210   gp_Pnt ptrst2;
0211   gp_Pnt2d pt2drst1;
0212   gp_Pnt2d pt2drst2;
0213   Standard_Real prmrst1;
0214   Standard_Real prmrst2;
0215   Standard_Boolean istangent;
0216   gp_Vec tgrst1;
0217   gp_Vec2d tg2drst1;
0218   gp_Vec tgrst2;
0219   gp_Vec2d tg2drst2;
0220   Standard_Real ray;
0221   Standard_Real dray;
0222   Standard_Integer choix;
0223   gp_Pnt ptgui;
0224   gp_Vec d1gui;
0225   gp_Vec d2gui;
0226   gp_Vec nplan;
0227   Standard_Real normtg;
0228   Standard_Real theD;
0229   Handle(Adaptor3d_Surface) surfref1;
0230   Handle(Adaptor2d_Curve2d) rstref1;
0231   Handle(Adaptor3d_Surface) surfref2;
0232   Handle(Adaptor2d_Curve2d) rstref2;
0233   Standard_Real maxang;
0234   Standard_Real minang;
0235   Standard_Real distmin;
0236   BlendFunc_SectionShape mySShape;
0237   Convert_ParameterisationType myTConv;
0238   Handle(Law_Function) tevol;
0239   Handle(Law_Function) fevol;
0240
0241
0242 };
0243
0244
0245
0246
0247
0248
0249
0250 #endif // _BRepBlend_RstRstEvolRad_HeaderFile