// This file is generated by WOK (CPPExt). // Please do not edit this file; modify original file instead. // The copyright and license terms as defined for the original file apply to // this header file considered to be the "object code" form of the original source. #ifndef _gp_Parab_HeaderFile #define _gp_Parab_HeaderFile #ifndef _Standard_HeaderFile #include #endif #ifndef _Standard_Macro_HeaderFile #include #endif #ifndef _gp_Ax2_HeaderFile #include #endif #ifndef _Standard_Real_HeaderFile #include #endif #ifndef _Standard_Storable_HeaderFile #include #endif #ifndef _gp_Ax1_HeaderFile #include #endif #ifndef _gp_Pnt_HeaderFile #include #endif #ifndef _Standard_PrimitiveTypes_HeaderFile #include #endif class Standard_ConstructionError; class gp_Ax2; class gp_Ax1; class gp_Pnt; class gp_Trsf; class gp_Vec; Standard_EXPORT const Handle(Standard_Type)& STANDARD_TYPE(gp_Parab); //! Describes a parabola in 3D space.
//! A parabola is defined by its focal length (that is, the
//! distance between its focus and apex) and positioned in
//! space with a coordinate system (a gp_Ax2 object)
//! where:
//! - the origin of the coordinate system is on the apex of
//! the parabola,
//! - the "X Axis" of the coordinate system is the axis of
//! symmetry; the parabola is on the positive side of this axis, and
//! - the origin, "X Direction" and "Y Direction" of the
//! coordinate system define the plane of the parabola.
//! The equation of the parabola in this coordinate system,
//! which is the "local coordinate system" of the parabola, is:
//! Y**2 = (2*P) * X.
//! where P, referred to as the parameter of the parabola, is
//! the distance between the focus and the directrix (P is
//! twice the focal length).
//! The "main Direction" of the local coordinate system gives
//! the normal vector to the plane of the parabola.
//! See Also
//! gce_MakeParab which provides functions for more
//! complex parabola constructions
//! Geom_Parabola which provides additional functions for
//! constructing parabolas and works, in particular, with the
//! parametric equations of parabolas
class gp_Parab { public: void* operator new(size_t,void* anAddress) { return anAddress; } void* operator new(size_t size) { return Standard::Allocate(size); } void operator delete(void *anAddress) { if (anAddress) Standard::Free((Standard_Address&)anAddress); } //! Creates an indefinite Parabola.
gp_Parab(); //! Creates a parabola with its local coordinate system "A2"
//! and it's focal length "Focal".
//! The XDirection of A2 defines the axis of symmetry of the
//! parabola. The YDirection of A2 is parallel to the directrix
//! of the parabola. The Location point of A2 is the vertex of
//! the parabola
//! Raises ConstructionError if Focal < 0.0
//! Raised if Focal < 0.0
gp_Parab(const gp_Ax2& A2,const Standard_Real Focal); //! D is the directrix of the parabola and F the focus point.
//! The symmetry axis (XAxis) of the parabola is normal to the
//! directrix and pass through the focus point F, but its
//! location point is the vertex of the parabola.
//! The YAxis of the parabola is parallel to D and its location
//! point is the vertex of the parabola. The normal to the plane
//! of the parabola is the cross product between the XAxis and the
//! YAxis.
gp_Parab(const gp_Ax1& D,const gp_Pnt& F); //! Modifies this parabola by redefining its local coordinate system so that
//! - its origin and "main Direction" become those of the
//! axis A1 (the "X Direction" and "Y Direction" are then
//! recomputed in the same way as for any gp_Ax2)
//! Raises ConstructionError if the direction of A1 is parallel to the previous
//! XAxis of the parabola.
void SetAxis(const gp_Ax1& A1) ; //! Changes the focal distance of the parabola.
//! Raises ConstructionError if Focal < 0.0
void SetFocal(const Standard_Real Focal) ; //! Changes the location of the parabola. It is the vertex of
//! the parabola.
void SetLocation(const gp_Pnt& P) ; //! Changes the local coordinate system of the parabola.
Standard_EXPORT void SetPosition(const gp_Ax2& A2) ; //! Returns the main axis of the parabola.
//! It is the axis normal to the plane of the parabola passing
//! through the vertex of the parabola.
const gp_Ax1& Axis() const; //! Computes the directrix of this parabola.
//! The directrix is:
//! - a line parallel to the "Y Direction" of the local
//! coordinate system of this parabola, and
//! - located on the negative side of the axis of symmetry,
//! at a distance from the apex which is equal to the focal
//! length of this parabola.
//! The directrix is returned as an axis (a gp_Ax1 object),
//! the origin of which is situated on the "X Axis" of this parabola.
gp_Ax1 Directrix() const; //! Returns the distance between the vertex and the focus
//! of the parabola.
Standard_Real Focal() const; //! - Computes the focus of the parabola.
gp_Pnt Focus() const; //! Returns the vertex of the parabola. It is the "Location"
//! point of the coordinate system of the parabola.
const gp_Pnt& Location() const; //! Computes the parameter of the parabola.
//! It is the distance between the focus and the directrix of
//! the parabola. This distance is twice the focal length.
Standard_Real Parameter() const; //! Returns the local coordinate system of the parabola.
const gp_Ax2& Position() const; //! Returns the symmetry axis of the parabola. The location point
//! of the axis is the vertex of the parabola.
gp_Ax1 XAxis() const; //! It is an axis parallel to the directrix of the parabola.
//! The location point of this axis is the vertex of the parabola.
gp_Ax1 YAxis() const; Standard_EXPORT void Mirror(const gp_Pnt& P) ; //! Performs the symmetrical transformation of a parabola
//! with respect to the point P which is the center of the
//! symmetry.
Standard_EXPORT gp_Parab Mirrored(const gp_Pnt& P) const; Standard_EXPORT void Mirror(const gp_Ax1& A1) ; //! Performs the symmetrical transformation of a parabola
//! with respect to an axis placement which is the axis of
//! the symmetry.
Standard_EXPORT gp_Parab Mirrored(const gp_Ax1& A1) const; Standard_EXPORT void Mirror(const gp_Ax2& A2) ; //! Performs the symmetrical transformation of a parabola
//! with respect to a plane. The axis placement A2 locates
//! the plane of the symmetry (Location, XDirection, YDirection).
Standard_EXPORT gp_Parab Mirrored(const gp_Ax2& A2) const; void Rotate(const gp_Ax1& A1,const Standard_Real Ang) ; //! Rotates a parabola. A1 is the axis of the rotation.
//! Ang is the angular value of the rotation in radians.
gp_Parab Rotated(const gp_Ax1& A1,const Standard_Real Ang) const; void Scale(const gp_Pnt& P,const Standard_Real S) ; //! Scales a parabola. S is the scaling value.
//! If S is negative the direction of the symmetry axis
//! XAxis is reversed and the direction of the YAxis too.
gp_Parab Scaled(const gp_Pnt& P,const Standard_Real S) const; void Transform(const gp_Trsf& T) ; //! Transforms a parabola with the transformation T from class Trsf.
gp_Parab Transformed(const gp_Trsf& T) const; void Translate(const gp_Vec& V) ; //! Translates a parabola in the direction of the vector V.
//! The magnitude of the translation is the vector's magnitude.
gp_Parab Translated(const gp_Vec& V) const; void Translate(const gp_Pnt& P1,const gp_Pnt& P2) ; //! Translates a parabola from the point P1 to the point P2.
gp_Parab Translated(const gp_Pnt& P1,const gp_Pnt& P2) const; const gp_Ax2& _CSFDB_Getgp_Parabpos() const { return pos; } Standard_Real _CSFDB_Getgp_ParabfocalLength() const { return focalLength; } void _CSFDB_Setgp_ParabfocalLength(const Standard_Real p) { focalLength = p; } protected: private: gp_Ax2 pos; Standard_Real focalLength; }; #include // other Inline functions and methods (like "C++: function call" methods) #endif