#include <Geom_SurfaceOfRevolution.hxx>
Inheritance diagram for Geom_SurfaceOfRevolution:
Public Member Functions | |
Standard_EXPORT | Geom_SurfaceOfRevolution (const Handle(Geom_Curve)&C, const gp_Ax1 &A1) |
C : is the meridian or the referenced curve. A1 is the axis of revolution. The form of a SurfaceOfRevolution can be : . a general revolution surface (RevolutionForm), . a conical surface if the meridian is a line or a trimmed line (ConicalForm), . a cylindrical surface if the meridian is a line or a trimmed line parallel to the revolution axis (CylindricalForm), . a planar surface if the meridian is a line perpendicular to the revolution axis of the surface (PlanarForm). . a spherical surface, . a toroidal surface, . a quadric surface. Warnings : It is not checked that the curve C is planar and that the surface axis is in the plane of the curve. It is not checked that the revolved curve C doesn't self-intersects. . | |
Standard_EXPORT void | SetAxis (const gp_Ax1 &A1) |
Changes the axis of revolution. Warnings : It is not checked that the axis is in the plane of the revolved curve. . | |
Standard_EXPORT void | SetDirection (const gp_Dir &V) |
Changes the direction of the revolution axis. Warnings : It is not checked that the axis is in the plane of the revolved curve. . | |
Standard_EXPORT void | SetBasisCurve (const Handle(Geom_Curve)&C) |
Changes the revolved curve of the surface. Warnings : It is not checked that the curve C is planar and that the surface axis is in the plane of the curve. It is not checked that the revolved curve C doesn't self-intersects. . | |
Standard_EXPORT void | SetLocation (const gp_Pnt &P) |
Changes the location point of the revolution axis. Warnings : It is not checked that the axis is in the plane of the revolved curve. . | |
Standard_EXPORT gp_Ax1 | Axis () const |
Returns the revolution axis of the surface. . | |
Standard_EXPORT const gp_Pnt & | Location () const |
Returns the location point of the axis of revolution. . | |
Standard_EXPORT gp_Ax2 | ReferencePlane () const |
Computes the position of the reference plane of the surface defined by the basis curve and the symmetry axis. The location point is the location point of the revolution's axis, the XDirection of the plane is given by the revolution's axis and the orientation of the normal to the plane is given by the sense of revolution. Raised if the revolved curve is not planar or if the revolved curve and the symmetry axis are not in the same plane or if the maximum of distance between the axis and the revolved curve is lower or equal to Resolution from gp. . | |
Standard_EXPORT void | UReverse () |
Changes the orientation of this surface of revolution in the u parametric direction. The bounds of the surface are not changed but the given parametric direction is reversed. Hence the orientation of the surface is reversed. As a consequence: - UReverse reverses the direction of the axis of revolution of this surface, . | |
Standard_EXPORT Standard_Real | UReversedParameter (const Standard_Real U) const |
Computes the u parameter on the modified surface, when reversing its u parametric direction, for any point of u parameter U on this surface of revolution. In the case of a revolved surface: - UReversedParameter returns 2.*Pi - U . | |
Standard_EXPORT void | VReverse () |
Changes the orientation of this surface of revolution in the v parametric direction. The bounds of the surface are not changed but the given parametric direction is reversed. Hence the orientation of the surface is reversed. As a consequence: - VReverse reverses the meridian of this surface of revolution. . | |
Standard_EXPORT Standard_Real | VReversedParameter (const Standard_Real V) const |
Computes the v parameter on the modified surface, when reversing its v parametric direction, for any point of v parameter V on this surface of revolution. In the case of a revolved surface: - VReversedParameter returns the reversed parameter given by the function ReversedParameter called with V on the meridian. . | |
virtual Standard_EXPORT void | TransformParameters (Standard_Real &U, Standard_Real &V, const gp_Trsf &T) const |
Computes the parameters on the transformed surface for the transform of the point of parameters U,V on <me>. me->Transformed(T)->Value(U',V') is the same point as me->Value(U,V).Transformed(T) Where U',V' are the new values of U,V after calling me->TranformParameters(U,V,T) This methods multiplies V by BasisCurve()->ParametricTransformation(T) . | |
virtual Standard_EXPORT gp_GTrsf2d | ParametricTransformation (const gp_Trsf &T) const |
Returns a 2d transformation used to find the new parameters of a point on the transformed surface. me->Transformed(T)->Value(U',V') is the same point as me->Value(U,V).Transformed(T) Where U',V' are obtained by transforming U,V with th 2d transformation returned by me->ParametricTransformation(T) This methods returns a scale centered on the U axis with BasisCurve()->ParametricTransformation(T) . | |
Standard_EXPORT void | Bounds (Standard_Real &U1, Standard_Real &U2, Standard_Real &V1, Standard_Real &V2) const |
Returns the parametric bounds U1, U2 , V1 and V2 of this surface. A surface of revolution is always complete, so U1 = 0, U2 = 2*PI. . | |
Standard_EXPORT Standard_Boolean | IsUClosed () const |
IsUClosed always returns true. . | |
Standard_EXPORT Standard_Boolean | IsVClosed () const |
IsVClosed returns true if the meridian of this surface of revolution is closed. . | |
Standard_EXPORT Standard_Boolean | IsCNu (const Standard_Integer N) const |
IsCNu always returns true. . | |
Standard_EXPORT Standard_Boolean | IsCNv (const Standard_Integer N) const |
IsCNv returns true if the degree of continuity of the meridian of this surface of revolution is at least N. //! Raised if N < 0. . | |
Standard_EXPORT Standard_Boolean | IsUPeriodic () const |
Returns True. . | |
Standard_EXPORT Standard_Boolean | IsVPeriodic () const |
IsVPeriodic returns true if the meridian of this surface of revolution is periodic. . | |
Standard_EXPORT Handle_Geom_Curve | UIso (const Standard_Real U) const |
Computes the U isoparametric curve of this surface of revolution. It is the curve obtained by rotating the meridian through an angle U about the axis of revolution. . | |
Standard_EXPORT Handle_Geom_Curve | VIso (const Standard_Real V) const |
Computes the U isoparametric curve of this surface of revolution. It is the curve obtained by rotating the meridian through an angle U about the axis of revolution. . | |
Standard_EXPORT void | D0 (const Standard_Real U, const Standard_Real V, gp_Pnt &P) const |
Computes the point P (U, V) on the surface. U is the angle of the rotation around the revolution axis. The direction of this axis gives the sense of rotation. V is the parameter of the revolved curve. . | |
Standard_EXPORT void | D1 (const Standard_Real U, const Standard_Real V, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V) const |
Computes the current point and the first derivatives in the directions U and V. //! Raised if the continuity of the surface is not C1. . | |
Standard_EXPORT void | D2 (const Standard_Real U, const Standard_Real V, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V, gp_Vec &D2U, gp_Vec &D2V, gp_Vec &D2UV) const |
Computes the current point, the first and the second derivatives in the directions U and V. //! Raised if the continuity of the surface is not C2. . | |
Standard_EXPORT void | D3 (const Standard_Real U, const Standard_Real V, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V, gp_Vec &D2U, gp_Vec &D2V, gp_Vec &D2UV, gp_Vec &D3U, gp_Vec &D3V, gp_Vec &D3UUV, gp_Vec &D3UVV) const |
Computes the current point, the first,the second and the third derivatives in the directions U and V. //! Raised if the continuity of the surface is not C3. . | |
Standard_EXPORT gp_Vec | DN (const Standard_Real U, const Standard_Real V, const Standard_Integer Nu, const Standard_Integer Nv) const |
Computes the derivative of order Nu in the direction u and Nv in the direction v. Raised if the continuity of the surface is not CNu in the u direction and CNv in the v direction. //! Raised if Nu + Nv < 1 or Nu < 0 or Nv < 0. //! The following functions evaluates the local derivatives on surface. Useful to manage discontinuities on the surface. if Side = 1 -> P = S( U+,V ) if Side = -1 -> P = S( U-,V ) else P is betveen discontinuities can be evaluated using methods of global evaluations P = S( U ,V ) . | |
Standard_EXPORT void | LocalD0 (const Standard_Real U, const Standard_Real V, const Standard_Integer USide, gp_Pnt &P) const |
Standard_EXPORT void | LocalD1 (const Standard_Real U, const Standard_Real V, const Standard_Integer USide, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V) const |
Standard_EXPORT void | LocalD2 (const Standard_Real U, const Standard_Real V, const Standard_Integer USide, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V, gp_Vec &D2U, gp_Vec &D2V, gp_Vec &D2UV) const |
Standard_EXPORT void | LocalD3 (const Standard_Real U, const Standard_Real V, const Standard_Integer USide, gp_Pnt &P, gp_Vec &D1U, gp_Vec &D1V, gp_Vec &D2U, gp_Vec &D2V, gp_Vec &D2UV, gp_Vec &D3U, gp_Vec &D3V, gp_Vec &D3UUV, gp_Vec &D3UVV) const |
Standard_EXPORT gp_Vec | LocalDN (const Standard_Real U, const Standard_Real V, const Standard_Integer USide, const Standard_Integer Nu, const Standard_Integer Nv) const |
Standard_EXPORT void | Transform (const gp_Trsf &T) |
Applies the transformation T to this surface of revolution. . | |
Standard_EXPORT Handle_Geom_Geometry | Copy () const |
Creates a new object which is a copy of this surface of revolution. . | |
Standard_EXPORT const | Handle (Standard_Type)&DynamicType() const |
Private Attributes | |
gp_Pnt | loc |
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Implements Geom_Surface. |
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Implements Geom_Geometry. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Reimplemented from Geom_SweptSurface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Reimplemented from Geom_Surface. |
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Implements Geom_Geometry. |
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Reimplemented from Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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Implements Geom_Surface. |
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