Defines a curve which consists of several segments.
Implements basic interface to it.
More...

#include <ShapeExtend_ComplexCurve.hxx>

Inheritance diagram for ShapeExtend_ComplexCurve:

[legend]

Public Member Functions
virtual Standard_Integer	NbCurves () const =0
	Returns number of curves More...

virtual const Handle_Geom_Curve &	Curve (const Standard_Integer index) const =0
	Returns curve given by its index More...

virtual Standard_Integer	LocateParameter (const Standard_Real U, Standard_Real &UOut) const =0
	Returns number of the curve for the given parameter U and local paramete r UOut for the found curve More...

virtual Standard_Real	LocalToGlobal (const Standard_Integer index, const Standard_Real Ulocal) const =0
	Returns global parameter for the whole curve according to the segment and local parameter on it More...

virtual void	Transform (const gp_Trsf &T)
	Applies transformation to each curve More...

virtual Standard_Real	ReversedParameter (const Standard_Real U) const
	Returns 1 - U More...

virtual Standard_Real	FirstParameter () const
	Returns 0 More...

virtual Standard_Real	LastParameter () const
	Returns 1 More...

virtual Standard_Boolean	IsClosed () const
	Returns True if the curve is closed More...

virtual Standard_Boolean	IsPeriodic () const
	Returns False More...

virtual GeomAbs_Shape	Continuity () const
	Returns GeomAbs_C0 More...

virtual Standard_Boolean	IsCN (const Standard_Integer N) const
	Returns False if N > 0 More...

virtual void	D0 (const Standard_Real U, gp_Pnt &P) const
	Returns point at parameter U. Finds appropriate curve and local parameter on it. More...

virtual void	D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1) const
	Returns the point P of parameter U and the first derivative V1. //! Raised if the continuity of the curve is not C1. More...

virtual void	D2 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2) const
	Returns the point P of parameter U, the first and second derivatives V1 and V2. //! Raised if the continuity of the curve is not C2. More...

virtual void	D3 (const Standard_Real U, gp_Pnt &P, gp_Vec &V1, gp_Vec &V2, gp_Vec &V3) const
	Returns the point P of parameter U, the first, the second and the third derivative. //! Raised if the continuity of the curve is not C3. More...

virtual gp_Vec	DN (const Standard_Real U, const Standard_Integer N) const
	The returned vector gives the value of the derivative for the order of derivation N. //! Raised if the continuity of the curve is not CN. //! Raised if the derivative cannot be computed easily. e.g. rational bspline and n > 3. //! Raised if N < 1. More...

virtual Standard_Real	GetScaleFactor (const Standard_Integer ind) const =0
	Returns scale factor for recomputing of deviatives. More...

Standard_Boolean	CheckConnectivity (const Standard_Real Preci)
	Checks geometrical connectivity of the curves, including closure (sets fields myClosed) More...

Public Member Functions inherited from Geom_Curve
virtual void	Reverse ()=0
	Changes the direction of parametrization of <me>. The "FirstParameter" and the "LastParameter" are not changed but the orientation of the curve is modified. If the curve is bounded the StartPoint of the initial curve becomes the EndPoint of the reversed curve and the EndPoint of the initial curve becomes the StartPoint of the reversed curve. More...

virtual Standard_Real	TransformedParameter (const Standard_Real U, const gp_Trsf &T) const
	Returns the parameter on the transformed curve for <br> the transform of the point of parameter U on <me>. <br> me->Transformed(T)->Value(me->TransformedParameter(U,T)) is the same point as me->Value(U).Transformed(T) This methods returns <U> It can be redefined. For example on the Line. More...

virtual Standard_Real	ParametricTransformation (const gp_Trsf &T) const
	Returns a coefficient to compute the parameter on <br> the transformed curve for the transform of the <br> point on <me>. <br> Transformed(T)->Value(U * ParametricTransformation(T)) is the same point as Value(U).Transformed(T) This methods returns 1. It can be redefined. For example on the Line. More...

Handle_Geom_Curve	Reversed () const
	Returns a copy of <me> reversed. More...

virtual Standard_Real	Period () const
	Returns the period of this curve. <br> Exceptions Standard_NoSuchObject if this curve is not periodic. More...

gp_Pnt	Value (const Standard_Real U) const
	Computes the point of parameter U on <me>. <br> If the curve is periodic then the returned point is P(U) with U = Ustart + (U - Uend) where Ustart and Uend are the parametric bounds of the curve. it is implemented with D0. Raised only for the "OffsetCurve" if it is not possible to compute the current point. For example when the first derivative on the basis curve and the offset direction are parallel. More...

Public Member Functions inherited from Geom_Geometry
void	Mirror (const gp_Pnt &P)
	Performs the symmetrical transformation of a Geometry with respect to the point P which is the center of the symmetry. More...

void	Mirror (const gp_Ax1 &A1)
	Performs the symmetrical transformation of a Geometry with respect to an axis placement which is the axis of the symmetry. More...

void	Mirror (const gp_Ax2 &A2)
	Performs the symmetrical transformation of a Geometry with respect to a plane. The axis placement A2 locates the plane of the symmetry : (Location, XDirection, YDirection). More...

void	Rotate (const gp_Ax1 &A1, const Standard_Real Ang)
	Rotates a Geometry. A1 is the axis of the rotation. Ang is the angular value of the rotation in radians. More...

void	Scale (const gp_Pnt &P, const Standard_Real S)
	Scales a Geometry. S is the scaling value. More...

void	Translate (const gp_Vec &V)
	Translates a Geometry. V is the vector of the tanslation. More...

void	Translate (const gp_Pnt &P1, const gp_Pnt &P2)
	Translates a Geometry from the point P1 to the point P2. More...

Handle_Geom_Geometry	Mirrored (const gp_Pnt &P) const

Handle_Geom_Geometry	Mirrored (const gp_Ax1 &A1) const

Handle_Geom_Geometry	Mirrored (const gp_Ax2 &A2) const

Handle_Geom_Geometry	Rotated (const gp_Ax1 &A1, const Standard_Real Ang) const

Handle_Geom_Geometry	Scaled (const gp_Pnt &P, const Standard_Real S) const

Handle_Geom_Geometry	Transformed (const gp_Trsf &T) const

Handle_Geom_Geometry	Translated (const gp_Vec &V) const

Handle_Geom_Geometry	Translated (const gp_Pnt &P1, const gp_Pnt &P2) const

virtual Handle_Geom_Geometry	Copy () const =0
	Creates a new object which is a copy of this geometric object. More...

Public Member Functions inherited from MMgt_TShared
virtual void	Delete () const
	Memory deallocator for transient classes. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual void	ShallowDump (Standard_OStream &) const

virtual const Handle_Standard_Type &	DynamicType () const
	Returns a type information object about this object. More...

Standard_Boolean	IsInstance (const Handle_Standard_Type &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const Handle_Standard_Type &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

virtual Handle_Standard_Transient	This () const
	Returns a Handle which references this object. Must never be called to objects created in stack. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

Protected Member Functions
	ShapeExtend_ComplexCurve ()

void	TransformDN (gp_Vec &V, const Standard_Integer ind, const Standard_Integer N) const
	Transform the derivative according to its order More...

Protected Attributes
Standard_Boolean	myClosed

Detailed Description

Defines a curve which consists of several segments.
Implements basic interface to it.

Constructor & Destructor Documentation

ShapeExtend_ComplexCurve::ShapeExtend_ComplexCurve ( )

protected

Member Function Documentation

Standard_Boolean ShapeExtend_ComplexCurve::CheckConnectivity ( const Standard_Real Preci )

Checks geometrical connectivity of the curves, including
closure (sets fields myClosed)

virtual GeomAbs_Shape ShapeExtend_ComplexCurve::Continuity ( ) const

virtual

Returns GeomAbs_C0

Implements Geom_Curve.

virtual const Handle_Geom_Curve& ShapeExtend_ComplexCurve::Curve ( const Standard_Integer index ) const

pure virtual

Returns curve given by its index

virtual void ShapeExtend_ComplexCurve::D0	(	const Standard_Real	U,
		gp_Pnt &	P
	)		const

virtual

Returns point at parameter U.
Finds appropriate curve and local parameter on it.

Implements Geom_Curve.

virtual void ShapeExtend_ComplexCurve::D1	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V1
	)		const

virtual

Returns the point P of parameter U and the first derivative V1.
//! Raised if the continuity of the curve is not C1.

Implements Geom_Curve.

virtual void ShapeExtend_ComplexCurve::D2	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V1,
		gp_Vec &	V2
	)		const

virtual

Returns the point P of parameter U, the first and second
derivatives V1 and V2.
//! Raised if the continuity of the curve is not C2.

Implements Geom_Curve.

virtual void ShapeExtend_ComplexCurve::D3	(	const Standard_Real	U,
		gp_Pnt &	P,
		gp_Vec &	V1,
		gp_Vec &	V2,
		gp_Vec &	V3
	)		const

virtual

Returns the point P of parameter U, the first, the second
and the third derivative.
//! Raised if the continuity of the curve is not C3.

Implements Geom_Curve.

virtual gp_Vec ShapeExtend_ComplexCurve::DN	(	const Standard_Real	U,
		const Standard_Integer	N
	)		const

virtual

The returned vector gives the value of the derivative for the
order of derivation N.
//! Raised if the continuity of the curve is not CN.

//! Raised if the derivative cannot be computed
easily. e.g. rational bspline and n > 3.
//! Raised if N < 1.

Implements Geom_Curve.

virtual Standard_Real ShapeExtend_ComplexCurve::FirstParameter ( ) const

virtual

Returns 0

Implements Geom_Curve.

virtual Standard_Real ShapeExtend_ComplexCurve::GetScaleFactor ( const Standard_Integer ind ) const

pure virtual

Returns scale factor for recomputing of deviatives.

virtual Standard_Boolean ShapeExtend_ComplexCurve::IsClosed ( ) const

virtual

Returns True if the curve is closed

Implements Geom_Curve.

virtual Standard_Boolean ShapeExtend_ComplexCurve::IsCN ( const Standard_Integer N ) const

virtual

Returns False if N > 0

Implements Geom_Curve.

virtual Standard_Boolean ShapeExtend_ComplexCurve::IsPeriodic ( ) const

virtual

Returns False

Implements Geom_Curve.

virtual Standard_Real ShapeExtend_ComplexCurve::LastParameter ( ) const

virtual

Returns 1

Implements Geom_Curve.

virtual Standard_Real ShapeExtend_ComplexCurve::LocalToGlobal	(	const Standard_Integer	index,
		const Standard_Real	Ulocal
	)		const

pure virtual

Returns global parameter for the whole curve according
to the segment and local parameter on it

virtual Standard_Integer ShapeExtend_ComplexCurve::LocateParameter	(	const Standard_Real	U,
		Standard_Real &	UOut
	)		const

pure virtual

Returns number of the curve for the given parameter U
and local paramete r UOut for the found curve

virtual Standard_Integer ShapeExtend_ComplexCurve::NbCurves ( ) const

pure virtual

Returns number of curves

virtual Standard_Real ShapeExtend_ComplexCurve::ReversedParameter ( const Standard_Real U ) const

virtual

Returns 1 - U

Implements Geom_Curve.

virtual void ShapeExtend_ComplexCurve::Transform ( const gp_Trsf & T )

virtual

Applies transformation to each curve

Implements Geom_Geometry.

void ShapeExtend_ComplexCurve::TransformDN	(	gp_Vec &	V,
		const Standard_Integer	ind,
		const Standard_Integer	N
	)		const

protected

Transform the derivative according to its order

Field Documentation

Standard_Boolean ShapeExtend_ComplexCurve::myClosed

protected

The documentation for this class was generated from the following file:

ShapeExtend_ComplexCurve.hxx

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation