1 // Created on: 1993-04-21
2 // Created by: Bruno DUMORTIER
3 // Copyright (c) 1993-1999 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 _GeomAdaptor_SurfaceOfRevolution_HeaderFile
18 #define _GeomAdaptor_SurfaceOfRevolution_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
26 #include <GeomAdaptor_Surface.hxx>
28 class Adaptor3d_HCurve;
29 class Standard_OutOfRange;
30 class Standard_NoSuchObject;
31 class Standard_DomainError;
33 class Adaptor3d_HSurface;
41 class Geom_BezierSurface;
42 class Geom_BSplineSurface;
47 //! This class defines a complete surface of revolution.
48 //! The surface is obtained by rotating a curve a complete revolution
49 //! about an axis. The curve and the axis must be in the same plane.
50 //! If the curve and the axis are not in the same plane it is always
51 //! possible to be in the previous case after a cylindrical projection
52 //! of the curve in a referenced plane.
53 //! For a complete surface of revolution the parametric range is
54 //! 0 <= U <= 2*PI. --
55 //! The parametric range for V is defined with the revolved curve.
56 //! The origin of the U parametrization is given by the position
57 //! of the revolved curve (reference). The direction of the revolution
58 //! axis defines the positive sense of rotation (trigonometric sense)
59 //! corresponding to the increasing of the parametric value U.
60 //! The derivatives are always defined for the u direction.
61 //! For the v direction the definition of the derivatives depends on
62 //! the degree of continuity of the referenced curve.
63 class GeomAdaptor_SurfaceOfRevolution : public GeomAdaptor_Surface
70 Standard_EXPORT GeomAdaptor_SurfaceOfRevolution();
72 //! The Curve is loaded.
73 Standard_EXPORT GeomAdaptor_SurfaceOfRevolution(const Handle(Adaptor3d_HCurve)& C);
75 //! The Curve and the Direction are loaded.
76 Standard_EXPORT GeomAdaptor_SurfaceOfRevolution(const Handle(Adaptor3d_HCurve)& C, const gp_Ax1& V);
79 Standard_EXPORT void Load (const Handle(Adaptor3d_HCurve)& C);
81 //! Changes the Direction
82 Standard_EXPORT void Load (const gp_Ax1& V);
84 Standard_EXPORT gp_Ax1 AxeOfRevolution() const Standard_OVERRIDE;
86 Standard_EXPORT Standard_Real FirstUParameter() const Standard_OVERRIDE;
88 Standard_EXPORT Standard_Real LastUParameter() const Standard_OVERRIDE;
90 Standard_EXPORT Standard_Real FirstVParameter() const Standard_OVERRIDE;
92 Standard_EXPORT Standard_Real LastVParameter() const Standard_OVERRIDE;
94 Standard_EXPORT GeomAbs_Shape UContinuity() const Standard_OVERRIDE;
97 Standard_EXPORT GeomAbs_Shape VContinuity() const Standard_OVERRIDE;
99 //! Returns the number of U intervals for continuity
100 //! <S>. May be one if UContinuity(me) >= <S>
101 Standard_EXPORT Standard_Integer NbUIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
103 //! Returns the number of V intervals for continuity
104 //! <S>. May be one if VContinuity(me) >= <S>
105 Standard_EXPORT Standard_Integer NbVIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
107 //! Returns the intervals with the requested continuity
108 //! in the U direction.
109 Standard_EXPORT void UIntervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
111 //! Returns the intervals with the requested continuity
112 //! in the V direction.
113 Standard_EXPORT void VIntervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
115 //! Returns a surface trimmed in the U direction
116 //! equivalent of <me> between
117 //! parameters <First> and <Last>. <Tol> is used to
118 //! test for 3d points confusion.
119 //! If <First> >= <Last>
120 Standard_EXPORT Handle(Adaptor3d_HSurface) UTrim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
122 //! Returns a surface trimmed in the V direction between
123 //! parameters <First> and <Last>. <Tol> is used to
124 //! test for 3d points confusion.
125 //! If <First> >= <Last>
126 Standard_EXPORT Handle(Adaptor3d_HSurface) VTrim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
128 Standard_EXPORT Standard_Boolean IsUClosed() const Standard_OVERRIDE;
130 Standard_EXPORT Standard_Boolean IsVClosed() const Standard_OVERRIDE;
132 Standard_EXPORT Standard_Boolean IsUPeriodic() const Standard_OVERRIDE;
134 Standard_EXPORT Standard_Real UPeriod() const Standard_OVERRIDE;
136 Standard_EXPORT Standard_Boolean IsVPeriodic() const Standard_OVERRIDE;
138 Standard_EXPORT Standard_Real VPeriod() const Standard_OVERRIDE;
140 //! Returns the parametric U resolution corresponding
141 //! to the real space resolution <R3d>.
142 Standard_EXPORT Standard_Real UResolution (const Standard_Real R3d) const Standard_OVERRIDE;
144 //! Returns the parametric V resolution corresponding
145 //! to the real space resolution <R3d>.
146 Standard_EXPORT Standard_Real VResolution (const Standard_Real R3d) const Standard_OVERRIDE;
148 //! Returns the type of the surface : Plane, Cylinder,
149 //! Cone, Sphere, Torus, BezierSurface,
150 //! BSplineSurface, SurfaceOfRevolution,
151 //! SurfaceOfExtrusion, OtherSurface
152 Standard_EXPORT GeomAbs_SurfaceType GetType() const Standard_OVERRIDE;
154 Standard_EXPORT gp_Pln Plane() const Standard_OVERRIDE;
156 Standard_EXPORT gp_Cylinder Cylinder() const Standard_OVERRIDE;
158 //! Apex of the Cone = Cone.Position().Location()
159 //! ==> ReferenceRadius = 0.
160 Standard_EXPORT gp_Cone Cone() const Standard_OVERRIDE;
162 Standard_EXPORT gp_Sphere Sphere() const Standard_OVERRIDE;
164 Standard_EXPORT gp_Torus Torus() const Standard_OVERRIDE;
166 Standard_EXPORT Standard_Integer VDegree() const Standard_OVERRIDE;
168 Standard_EXPORT Standard_Integer NbVPoles() const Standard_OVERRIDE;
170 Standard_EXPORT Standard_Integer NbVKnots() const Standard_OVERRIDE;
172 Standard_EXPORT Standard_Boolean IsURational() const Standard_OVERRIDE;
174 Standard_EXPORT Standard_Boolean IsVRational() const Standard_OVERRIDE;
176 Standard_EXPORT Handle(Geom_BezierSurface) Bezier() const Standard_OVERRIDE;
178 Standard_EXPORT Handle(Geom_BSplineSurface) BSpline() const Standard_OVERRIDE;
180 Standard_EXPORT const gp_Ax3& Axis() const;
182 Standard_EXPORT Handle(Adaptor3d_HCurve) BasisCurve() const Standard_OVERRIDE;
194 Handle(Adaptor3d_HCurve) myBasisCurve; ///< revolved curve
195 gp_Ax1 myAxis; ///< axis of revolution
196 Standard_Boolean myHaveAxis; ///< whether axis of revolution is initialized
197 gp_Ax3 myAxeRev; ///< auxiliary trihedron according to the curve position
206 #endif // _GeomAdaptor_SurfaceOfRevolution_HeaderFile