1 // Created on: 1997-07-28 2 // Created by: Jerome LEMONIER 3 // Copyright (c) 1997-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 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. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _BRepBlend_SurfRstEvolRad_HeaderFile 18 #define _BRepBlend_SurfRstEvolRad_HeaderFile 19 20 #include <Adaptor3d_CurveOnSurface.hxx> 21 #include <Adaptor3d_Surface.hxx> 22 #include <gp_Pnt.hxx> 23 #include <gp_Pnt2d.hxx> 24 #include <gp_Vec.hxx> 25 #include <gp_Vec2d.hxx> 26 #include <BlendFunc_SectionShape.hxx> 27 #include <Convert_ParameterisationType.hxx> 28 #include <Blend_SurfRstFunction.hxx> 29 #include <math_Vector.hxx> 30 #include <TColStd_Array1OfReal.hxx> 31 #include <GeomAbs_Shape.hxx> 32 #include <TColStd_Array1OfInteger.hxx> 33 #include <TColgp_Array1OfPnt.hxx> 34 #include <TColgp_Array1OfVec.hxx> 35 #include <TColgp_Array1OfPnt2d.hxx> 36 #include <TColgp_Array1OfVec2d.hxx> 37 38 class Law_Function; 39 class math_Matrix; 40 class gp_Circ; 41 class Blend_Point; 42 43 44 //! Function to approximate by AppSurface for 45 //! Edge/Face and evolutif radius 46 class BRepBlend_SurfRstEvolRad : public Blend_SurfRstFunction 47 { 48 public: 49 50 DEFINE_STANDARD_ALLOC 51 52 53 Standard_EXPORT BRepBlend_SurfRstEvolRad(const Handle(Adaptor3d_Surface)& Surf, const Handle(Adaptor3d_Surface)& SurfRst, const Handle(Adaptor2d_Curve2d)& Rst, const Handle(Adaptor3d_Curve)& CGuide, const Handle(Law_Function)& Evol); 54 55 //! Returns 3. 56 Standard_EXPORT Standard_Integer NbVariables() const Standard_OVERRIDE; 57 58 //! Returns 3. 59 Standard_EXPORT Standard_Integer NbEquations() const Standard_OVERRIDE; 60 61 //! computes the values <F> of the Functions for the 62 //! variable <X>. 63 //! Returns True if the computation was done successfully, 64 //! False otherwise. 65 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE; 66 67 //! returns the values <D> of the derivatives for the 68 //! variable <X>. 69 //! Returns True if the computation was done successfully, 70 //! False otherwise. 71 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE; 72 73 //! returns the values <F> of the functions and the derivatives 74 //! <D> for the variable <X>. 75 //! Returns True if the computation was done successfully, 76 //! False otherwise. 77 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE; 78 79 Standard_EXPORT void Set (const Handle(Adaptor3d_Surface)& SurfRef, const Handle(Adaptor2d_Curve2d)& RstRef); 80 81 Standard_EXPORT void Set (const Standard_Real Param) Standard_OVERRIDE; 82 83 //! Sets the bounds of the parametric interval on 84 //! the guide line. 85 //! This determines the derivatives in these values if the 86 //! function is not Cn. 87 Standard_EXPORT void Set (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE; 88 89 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const Standard_OVERRIDE; 90 91 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const Standard_OVERRIDE; 92 93 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol) Standard_OVERRIDE; 94 95 //! Returns the minimal Distance between two 96 //! extremities of calculated sections. 97 Standard_EXPORT virtual Standard_Real GetMinimalDistance() const Standard_OVERRIDE; 98 99 Standard_EXPORT const gp_Pnt& PointOnS() const Standard_OVERRIDE; 100 101 Standard_EXPORT const gp_Pnt& PointOnRst() const Standard_OVERRIDE; 102 103 //! Returns U,V coordinates of the point on the surface. 104 Standard_EXPORT const gp_Pnt2d& Pnt2dOnS() const Standard_OVERRIDE; 105 106 //! Returns U,V coordinates of the point on the curve on 107 //! surface. 108 Standard_EXPORT const gp_Pnt2d& Pnt2dOnRst() const Standard_OVERRIDE; 109 110 //! Returns parameter of the point on the curve. 111 Standard_EXPORT Standard_Real ParameterOnRst() const Standard_OVERRIDE; 112 113 Standard_EXPORT Standard_Boolean IsTangencyPoint() const Standard_OVERRIDE; 114 115 Standard_EXPORT const gp_Vec& TangentOnS() const Standard_OVERRIDE; 116 117 Standard_EXPORT const gp_Vec2d& Tangent2dOnS() const Standard_OVERRIDE; 118 119 Standard_EXPORT const gp_Vec& TangentOnRst() const Standard_OVERRIDE; 120 121 Standard_EXPORT const gp_Vec2d& Tangent2dOnRst() const Standard_OVERRIDE; 122 123 //! Permet d ' implementer un critere de decrochage 124 //! specifique a la fonction. 125 Standard_EXPORT Standard_Boolean Decroch (const math_Vector& Sol, gp_Vec& NS, gp_Vec& TgS) const Standard_OVERRIDE; 126 127 Standard_EXPORT void Set (const Standard_Integer Choix); 128 129 //! Sets the type of section generation for the 130 //! approximations. 131 Standard_EXPORT void Set (const BlendFunc_SectionShape TypeSection); 132 133 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); 134 135 //! Returns if the section is rationnal 136 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE; 137 138 //! Returns the length of the maximum section 139 Standard_EXPORT Standard_Real GetSectionSize() const Standard_OVERRIDE; 140 141 //! Compute the minimal value of weight for each poles 142 //! of all sections. 143 Standard_EXPORT void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE; 144 145 //! Returns the number of intervals for continuity 146 //! <S>. May be one if Continuity(me) >= <S> 147 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; 148 149 //! Stores in <T> the parameters bounding the intervals 150 //! of continuity <S>. 151 //! The array must provide enough room to accommodate 152 //! for the parameters. i.e. T.Length() > NbIntervals() 153 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; 154 155 Standard_EXPORT void GetShape (Standard_Integer& NbPoles, Standard_Integer& NbKnots, Standard_Integer& Degree, Standard_Integer& NbPoles2d) Standard_OVERRIDE; 156 157 //! Returns the tolerance to reach in approximation 158 //! to respecte 159 //! BoundTol error at the Boundary 160 //! AngleTol tangent error at the Boundary 161 //! SurfTol error inside the surface. 162 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; 163 164 Standard_EXPORT void Knots (TColStd_Array1OfReal& TKnots) Standard_OVERRIDE; 165 166 Standard_EXPORT void Mults (TColStd_Array1OfInteger& TMults) Standard_OVERRIDE; 167 168 //! Used for the first and last section 169 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; 170 171 //! Used for the first and last section 172 //! The method returns Standard_True if the derivatives 173 //! are computed, otherwise it returns Standard_False. 174 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; 175 176 Standard_EXPORT void Section (const Blend_Point& P, TColgp_Array1OfPnt& Poles, TColgp_Array1OfPnt2d& Poles2d, TColStd_Array1OfReal& Weigths) Standard_OVERRIDE; 177 178 Standard_EXPORT void Resolution (const Standard_Integer IC2d, const Standard_Real Tol, Standard_Real& TolU, Standard_Real& TolV) const Standard_OVERRIDE; 179 180 181 182 183 protected: 184 185 186 187 188 189 private: 190 191 192 193 Handle(Adaptor3d_Surface) surf; 194 Handle(Adaptor3d_Surface) surfrst; 195 Handle(Adaptor2d_Curve2d) rst; 196 Adaptor3d_CurveOnSurface cons; 197 Handle(Adaptor3d_Curve) guide; 198 Handle(Adaptor3d_Curve) tguide; 199 gp_Pnt pts; 200 gp_Pnt ptrst; 201 gp_Pnt2d pt2ds; 202 gp_Pnt2d pt2drst; 203 Standard_Real prmrst; 204 Standard_Boolean istangent; 205 gp_Vec tgs; 206 gp_Vec2d tg2ds; 207 gp_Vec tgrst; 208 gp_Vec2d tg2drst; 209 Standard_Real ray; 210 Standard_Real dray; 211 Standard_Integer choix; 212 gp_Pnt ptgui; 213 gp_Vec d1gui; 214 gp_Vec d2gui; 215 gp_Vec nplan; 216 Standard_Real normtg; 217 Standard_Real theD; 218 Handle(Adaptor3d_Surface) surfref; 219 Handle(Adaptor2d_Curve2d) rstref; 220 Standard_Real maxang; 221 Standard_Real minang; 222 Standard_Real distmin; 223 BlendFunc_SectionShape mySShape; 224 Convert_ParameterisationType myTConv; 225 Handle(Law_Function) tevol; 226 Handle(Law_Function) fevol; 227 Standard_Real sg1; 228 229 230 }; 231 232 233 234 235 236 237 238 #endif // _BRepBlend_SurfRstEvolRad_HeaderFile 239