1 // Created on: 1997-02-06
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepBlend_SurfRstConstRad_HeaderFile
18 #define _BRepBlend_SurfRstConstRad_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Adaptor3d_CurveOnSurface.hxx>
26 #include <gp_Pnt2d.hxx>
27 #include <Standard_Real.hxx>
28 #include <Standard_Boolean.hxx>
30 #include <gp_Vec2d.hxx>
31 #include <Standard_Integer.hxx>
32 #include <BlendFunc_SectionShape.hxx>
33 #include <Convert_ParameterisationType.hxx>
34 #include <Blend_SurfRstFunction.hxx>
35 #include <math_Vector.hxx>
36 #include <TColStd_Array1OfReal.hxx>
37 #include <GeomAbs_Shape.hxx>
38 #include <TColStd_Array1OfInteger.hxx>
39 #include <TColgp_Array1OfPnt.hxx>
40 #include <TColgp_Array1OfVec.hxx>
41 #include <TColgp_Array1OfPnt2d.hxx>
42 #include <TColgp_Array1OfVec2d.hxx>
43 class Adaptor3d_HSurface;
44 class Adaptor2d_HCurve2d;
45 class Adaptor3d_HCurve;
55 //! Copy of CSConstRad with pcurve on surface
57 class BRepBlend_SurfRstConstRad : public Blend_SurfRstFunction
64 Standard_EXPORT BRepBlend_SurfRstConstRad(const Handle(Adaptor3d_HSurface)& Surf, const Handle(Adaptor3d_HSurface)& SurfRst, const Handle(Adaptor2d_HCurve2d)& Rst, const Handle(Adaptor3d_HCurve)& CGuide);
67 Standard_EXPORT Standard_Integer NbVariables() const;
70 Standard_EXPORT Standard_Integer NbEquations() const;
72 //! computes the values <F> of the Functions for the
74 //! Returns True if the computation was done successfully,
76 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
78 //! returns the values <D> of the derivatives for the
80 //! Returns True if the computation was done successfully,
82 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
84 //! returns the values <F> of the functions and the derivatives
85 //! <D> for the variable <X>.
86 //! Returns True if the computation was done successfully,
88 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
90 Standard_EXPORT void Set (const Handle(Adaptor3d_HSurface)& SurfRef, const Handle(Adaptor2d_HCurve2d)& RstRef);
92 Standard_EXPORT void Set (const Standard_Real Param);
94 //! Sets the bounds of the parametric interval on
96 //! This determines the derivatives in these values if the
97 //! function is not Cn.
98 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last);
100 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
102 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
104 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
106 //! Returns the minimal Distance beetween two
107 //! extremitys of calculed sections.
108 Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE;
110 Standard_EXPORT const gp_Pnt& PointOnS() const;
112 Standard_EXPORT const gp_Pnt& PointOnRst() const;
114 //! Returns U,V coordinates of the point on the surface.
115 Standard_EXPORT const gp_Pnt2d& Pnt2dOnS() const;
117 //! Returns U,V coordinates of the point on the curve on
119 Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst() const;
121 //! Returns parameter of the point on the curve.
122 Standard_EXPORT Standard_Real ParameterOnRst() const;
124 Standard_EXPORT Standard_Boolean IsTangencyPoint() const;
126 Standard_EXPORT const gp_Vec& TangentOnS() const;
128 Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const;
130 Standard_EXPORT const gp_Vec& TangentOnRst() const;
132 Standard_EXPORT const gp_Vec2d& Tangent2dOnRst() const;
134 //! Enables implementation of a criterion of decrochage
135 //! specific to the function.
136 //! Warning: Can be called without previous call of issolution
137 //! but the values calculated can be senseless.
138 Standard_EXPORT Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const;
140 Standard_EXPORT void Set (const Standard_Real Radius, const Standard_Integer Choix);
142 //! Sets the type of section generation for the
144 Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection);
146 Standard_EXPORT void Section (const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, Standard_Real& Pdeb, Standard_Real& Pfin, gp_Circ& C);
148 //! Returns if the section is rationnal
149 Standard_EXPORT Standard_Boolean IsRational() const;
151 //! Returns the length of the maximum section
152 Standard_EXPORT Standard_Real GetSectionSize() const;
154 //! Compute the minimal value of weight for each poles
156 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const;
158 //! Returns the number of intervals for continuity
159 //! <S>. May be one if Continuity(me) >= <S>
160 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const;
162 //! Stores in <T> the parameters bounding the intervals
163 //! of continuity <S>.
164 //! The array must provide enough room to accomodate
165 //! for the parameters. i.e. T.Length() > NbIntervals()
166 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
168 Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d);
170 //! Returns the tolerance to reach in approximation
172 //! BoundTol error at the Boundary
173 //! AngleTol tangent error at the Boundary
174 //! SurfTol error inside the surface.
175 Standard_EXPORT void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, math_Vector& Tol3d, math_Vector& Tol1D) const;
177 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots);
179 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults);
181 //! Used for the first and last section
182 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);
184 //! Used for the first and last section
185 //! The method returns Standard_True if the derivatives
186 //! are computed, otherwise it returns Standard_False.
187 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);
189 Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths);
191 Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const;
206 Handle(Adaptor3d_HSurface) surf;
207 Handle(Adaptor3d_HSurface) surfrst;
208 Handle(Adaptor2d_HCurve2d) rst;
209 Adaptor3d_CurveOnSurface cons;
210 Handle(Adaptor3d_HCurve) guide;
211 Handle(Adaptor3d_HCurve) tguide;
216 Standard_Real prmrst;
217 Standard_Boolean istangent;
223 Standard_Integer choix;
228 Standard_Real normtg;
230 Handle(Adaptor3d_HSurface) surfref;
231 Handle(Adaptor2d_HCurve2d) rstref;
232 Standard_Real maxang;
233 Standard_Real minang;
234 Standard_Real distmin;
235 BlendFunc_SectionShape mySShape;
236 Convert_ParameterisationType myTConv;
247 #endif // _BRepBlend_SurfRstConstRad_HeaderFile