1 // Created on: 1998-07-09
2 // Created by: Stephanie HUMEAU
3 // Copyright (c) 1998-1999 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 _GeomFill_FunctionGuide_HeaderFile
18 #define _GeomFill_FunctionGuide_HeaderFile
19 
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
23 
24 #include <Standard_Boolean.hxx>
25 #include <Standard_Real.hxx>
26 #include <gp_XYZ.hxx>
27 #include <math_FunctionSetWithDerivatives.hxx>
28 #include <Standard_Integer.hxx>
29 #include <math_Vector.hxx>
30 
31 class Adaptor3d_Curve;
32 class GeomFill_SectionLaw;
33 class Geom_Curve;
34 class Geom_Surface;
35 class gp_Pnt;
36 class math_Matrix;
37 class gp_Vec;
38 
39 
40 
41 class GeomFill_FunctionGuide  : public math_FunctionSetWithDerivatives
42 {
43 public:
44 
45   DEFINE_STANDARD_ALLOC
46 
47 
48   Standard_EXPORT GeomFill_FunctionGuide(const Handle(GeomFill_SectionLaw)& S, const Handle(Adaptor3d_Curve)& Guide, const Standard_Real ParamOnLaw = 0.0);
49 
50   Standard_EXPORT void SetParam (const Standard_Real Param, const gp_Pnt& Centre, const gp_XYZ& Dir, const gp_XYZ& XDir);
51 
52   //! returns the number of variables of the function.
53   Standard_EXPORT virtual Standard_Integer NbVariables() const Standard_OVERRIDE;
54 
55   //! returns the number of equations of the function.
56   Standard_EXPORT virtual Standard_Integer NbEquations() const Standard_OVERRIDE;
57 
58   //! computes the values <F> of the Functions for the
59   //! variable <X>.
60   //! Returns True if the computation was done successfully,
61   //! False otherwise.
62   Standard_EXPORT virtual Standard_Boolean Value (const math_Vector& X, math_Vector& F) Standard_OVERRIDE;
63 
64   //! returns the values <D> of the derivatives for the
65   //! variable <X>.
66   //! Returns True if the computation was done successfully,
67   //! False otherwise.
68   Standard_EXPORT virtual Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D) Standard_OVERRIDE;
69 
70   //! returns the values <F> of the functions and the derivatives
71   //! <D> for the variable <X>.
72   //! Returns True if the computation was done successfully,
73   //! False otherwise.
74   Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D) Standard_OVERRIDE;
75 
76   //! returns the values <F> of the T derivatives for
77   //! the parameter Param .
78   Standard_EXPORT Standard_Boolean DerivT (const math_Vector& X, const gp_XYZ& DCentre, const gp_XYZ& DDir, math_Vector& DFDT);
79 
80   //! returns the values <F> of the T2 derivatives for
81   //! the parameter Param .
82   //! returns the values <D> of  the TX derivatives for
83   //! the parameter Param .
84   //! returns Boolean  is static;
85   //! returns the values <T> of  the X2 derivatives for
86   //! the parameter Param .
87   //! returns Boolean  is static;
88   Standard_EXPORT Standard_Boolean Deriv2T (const gp_XYZ& DCentre, const gp_XYZ& DDir, math_Vector& DFDT, math_Vector& D2FT);
89 
90 
91 
92 
93 protected:
94 
95 
96 
97 
98 
99 private:
100 
101 
102   Standard_EXPORT void DSDT (const Standard_Real U, const Standard_Real V, const gp_XYZ& DCentre, const gp_XYZ& DDir, gp_Vec& DSDT) const;
103 
104 
105   Handle(Adaptor3d_Curve) TheGuide;
106   Handle(GeomFill_SectionLaw) TheLaw;
107   Standard_Boolean isconst;
108   Handle(Geom_Curve) TheCurve;
109   Handle(Geom_Curve) TheConst;
110   Handle(Geom_Surface) TheSurface;
111   Standard_Real First;
112   Standard_Real Last;
113   Standard_Real TheUonS;
114   gp_XYZ Centre;
115   gp_XYZ Dir;
116 
117 
118 };
119 
120 
121 
122 
123 
124 
125 
126 #endif // _GeomFill_FunctionGuide_HeaderFile
127