include/opencascade/Blend_Point.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 _Blend_Point_HeaderFile
0018 #define _Blend_Point_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Pnt.hxx>
0025 #include <gp_Vec.hxx>
0026 #include <Standard_Boolean.hxx>
0027 #include <gp_Vec2d.hxx>
0028 class gp_Vec2d;
0029
0030
0031
0032 class Blend_Point
0033 {
0034 public:
0035
0036   DEFINE_STANDARD_ALLOC
0037
0038
0039   Standard_EXPORT Blend_Point();
0040
0041   //! Creates a point on 2 surfaces, with tangents.
0042   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0043
0044   //! Creates a point on 2 surfaces, without tangents.
0045   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2);
0046
0047   //! Creates a point on a surface and a curve, with tangents.
0048   Standard_EXPORT Blend_Point(const gp_Pnt& Pts, const gp_Pnt& Ptc, const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, const gp_Vec& Tgs, const gp_Vec& Tgc, const gp_Vec2d& Tg2d);
0049
0050   //! Creates a point on a surface and a curve, without tangents.
0051   Standard_EXPORT Blend_Point(const gp_Pnt& Pts, const gp_Pnt& Ptc, const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W);
0052
0053   //! Creates a point on a surface and a curve on surface,
0054   //! with tangents.
0055   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0056
0057   //! Creates a point on a surface and a curve on surface,
0058   //! without tangents.
0059   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC);
0060
0061   //! Creates a point on two curves on surfaces, with tangents.
0062   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC1, const Standard_Real PC2, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0063
0064   //! Creates a point on two curves on surfaces, with tangents.
0065   Standard_EXPORT Blend_Point(const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC1, const Standard_Real PC2);
0066
0067   //! Set the values for a point on 2 surfaces, with tangents.
0068   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0069
0070   //! Set the values for a point on 2 surfaces, without tangents.
0071   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2);
0072
0073   //! Set the values for a point on a surface and a curve,
0074   //! with tangents.
0075   Standard_EXPORT void SetValue (const gp_Pnt& Pts, const gp_Pnt& Ptc, const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W, const gp_Vec& Tgs, const gp_Vec& Tgc, const gp_Vec2d& Tg2d);
0076
0077   //! Set the values for a point on a surface and a curve,
0078   //! without tangents.
0079   Standard_EXPORT void SetValue (const gp_Pnt& Pts, const gp_Pnt& Ptc, const Standard_Real Param, const Standard_Real U, const Standard_Real V, const Standard_Real W);
0080
0081   //! Creates a point on a surface and a curve on surface,
0082   //! with tangents.
0083   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0084
0085   //! Creates a point on a surface and a curve on surface,
0086   //! without tangents.
0087   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC);
0088
0089   //! Creates a point on two curves on surfaces, with tangents.
0090   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC1, const Standard_Real PC2, const gp_Vec& Tg1, const gp_Vec& Tg2, const gp_Vec2d& Tg12d, const gp_Vec2d& Tg22d);
0091
0092   //! Creates a point on two curves on surfaces, without tangents.
0093   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real PC1, const Standard_Real PC2);
0094
0095   //! Creates a point on two curves.
0096   Standard_EXPORT void SetValue (const gp_Pnt& Pt1, const gp_Pnt& Pt2, const Standard_Real Param, const Standard_Real PC1, const Standard_Real PC2);
0097
0098   //! Changes parameter on existing point
0099     void SetParameter (const Standard_Real Param);
0100
0101     Standard_Real Parameter() const;
0102
0103   //! Returns Standard_True if it was not possible to compute
0104   //! the tangent vectors at PointOnS1 and/or PointOnS2.
0105     Standard_Boolean IsTangencyPoint() const;
0106
0107     const gp_Pnt& PointOnS1() const;
0108
0109     const gp_Pnt& PointOnS2() const;
0110
0111     void ParametersOnS1 (Standard_Real& U, Standard_Real& V) const;
0112
0113     void ParametersOnS2 (Standard_Real& U, Standard_Real& V) const;
0114
0115     const gp_Vec& TangentOnS1() const;
0116
0117     const gp_Vec& TangentOnS2() const;
0118
0119     gp_Vec2d Tangent2dOnS1() const;
0120
0121     gp_Vec2d Tangent2dOnS2() const;
0122
0123     const gp_Pnt& PointOnS() const;
0124
0125     const gp_Pnt& PointOnC() const;
0126
0127     void ParametersOnS (Standard_Real& U, Standard_Real& V) const;
0128
0129     Standard_Real ParameterOnC() const;
0130
0131     const gp_Vec& TangentOnS() const;
0132
0133     const gp_Vec& TangentOnC() const;
0134
0135     gp_Vec2d Tangent2d() const;
0136
0137     const gp_Pnt& PointOnC1() const;
0138
0139     const gp_Pnt& PointOnC2() const;
0140
0141     Standard_Real ParameterOnC1() const;
0142
0143     Standard_Real ParameterOnC2() const;
0144
0145     const gp_Vec& TangentOnC1() const;
0146
0147     const gp_Vec& TangentOnC2() const;
0148
0149
0150
0151
0152 protected:
0153
0154
0155
0156
0157
0158 private:
0159
0160
0161
0162   gp_Pnt pt1;
0163   gp_Pnt pt2;
0164   gp_Vec tg1;
0165   gp_Vec tg2;
0166   Standard_Real prm;
0167   Standard_Real u1;
0168   Standard_Real v1;
0169   Standard_Real u2;
0170   Standard_Real v2;
0171   Standard_Real pc1;
0172   Standard_Real pc2;
0173   Standard_Real utg12d;
0174   Standard_Real vtg12d;
0175   Standard_Real utg22d;
0176   Standard_Real vtg22d;
0177   Standard_Boolean hass1;
0178   Standard_Boolean hass2;
0179   Standard_Boolean hasc1;
0180   Standard_Boolean hasc2;
0181   Standard_Boolean istgt;
0182
0183
0184 };
0185
0186
0187 #include <Blend_Point.lxx>
0188
0189
0190
0191
0192
0193 #endif // _Blend_Point_HeaderFile