Open CASCADE Technology  7.7.0.dev
Public Member Functions | Protected Member Functions | Protected Attributes

ShapeExtend_ComplexCurve Class Referenceabstract

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

#include <ShapeExtend_ComplexCurve.hxx>

Inheritance diagram for ShapeExtend_ComplexCurve:
Inheritance graph
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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) override
 Applies transformation to each curve. More...
 
virtual Standard_Real ReversedParameter (const Standard_Real U) const override
 Returns 1 - U. More...
 
virtual Standard_Real FirstParameter () const override
 Returns 0. More...
 
virtual Standard_Real LastParameter () const override
 Returns 1. More...
 
virtual Standard_Boolean IsClosed () const override
 Returns True if the curve is closed. More...
 
virtual Standard_Boolean IsPeriodic () const override
 Returns False. More...
 
virtual GeomAbs_Shape Continuity () const override
 Returns GeomAbs_C0. More...
 
virtual Standard_Boolean IsCN (const Standard_Integer N) const override
 Returns False if N > 0. More...
 
virtual void D0 (const Standard_Real U, gp_Pnt &P) const override
 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 override
 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 override
 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 override
 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 override
 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. 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 the transform of the point of parameter U on <me>. More...
 
virtual Standard_Real ParametricTransformation (const gp_Trsf &T) const
 Returns a coefficient to compute the parameter on the transformed curve for the transform of the point on <me>. More...
 
Handle< Geom_CurveReversed () const
 Returns a copy of <me> reversed. More...
 
virtual Standard_Real Period () const
 Returns the period of this curve. 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>. 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. More...
 
virtual void DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const override
 Dumps the content of me into the stream. 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 translation. 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_GeometryMirrored (const gp_Pnt &P) const
 
Handle< Geom_GeometryMirrored (const gp_Ax1 &A1) const
 
Handle< Geom_GeometryMirrored (const gp_Ax2 &A2) const
 
Handle< Geom_GeometryRotated (const gp_Ax1 &A1, const Standard_Real Ang) const
 
Handle< Geom_GeometryScaled (const gp_Pnt &P, const Standard_Real S) const
 
Handle< Geom_GeometryTransformed (const gp_Trsf &T) const
 
Handle< Geom_GeometryTranslated (const gp_Vec &V) const
 
Handle< Geom_GeometryTranslated (const gp_Pnt &P1, const gp_Pnt &P2) const
 
virtual Handle< Geom_GeometryCopy () const =0
 Creates a new object which is a copy of this geometric object. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::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 opencascade::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...
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. 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
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object. More...
 
- Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()
 Returns a type descriptor about this object. More...
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class. More...
 

Detailed Description

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

Constructor & Destructor Documentation

◆ ShapeExtend_ComplexCurve()

ShapeExtend_ComplexCurve::ShapeExtend_ComplexCurve ( )
protected

Member Function Documentation

◆ CheckConnectivity()

Standard_Boolean ShapeExtend_ComplexCurve::CheckConnectivity ( const Standard_Real  Preci)

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

◆ Continuity()

virtual GeomAbs_Shape ShapeExtend_ComplexCurve::Continuity ( ) const
overridevirtual

Returns GeomAbs_C0.

Implements Geom_Curve.

◆ Curve()

virtual const Handle< Geom_Curve >& ShapeExtend_ComplexCurve::Curve ( const Standard_Integer  index) const
pure virtual

Returns curve given by its index.

◆ D0()

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

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

Implements Geom_Curve.

◆ D1()

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

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.

◆ D2()

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

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.

◆ D3()

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

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.

◆ DN()

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

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.

◆ FirstParameter()

virtual Standard_Real ShapeExtend_ComplexCurve::FirstParameter ( ) const
overridevirtual

Returns 0.

Implements Geom_Curve.

◆ GetScaleFactor()

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

Returns scale factor for recomputing of deviatives.

◆ IsClosed()

virtual Standard_Boolean ShapeExtend_ComplexCurve::IsClosed ( ) const
overridevirtual

Returns True if the curve is closed.

Implements Geom_Curve.

◆ IsCN()

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

Returns False if N > 0.

Implements Geom_Curve.

◆ IsPeriodic()

virtual Standard_Boolean ShapeExtend_ComplexCurve::IsPeriodic ( ) const
overridevirtual

Returns False.

Implements Geom_Curve.

◆ LastParameter()

virtual Standard_Real ShapeExtend_ComplexCurve::LastParameter ( ) const
overridevirtual

Returns 1.

Implements Geom_Curve.

◆ LocalToGlobal()

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.

◆ LocateParameter()

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.

◆ NbCurves()

virtual Standard_Integer ShapeExtend_ComplexCurve::NbCurves ( ) const
pure virtual

Returns number of curves.

◆ ReversedParameter()

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

Returns 1 - U.

Implements Geom_Curve.

◆ Transform()

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

Applies transformation to each curve.

Implements Geom_Geometry.

◆ TransformDN()

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

◆ myClosed

Standard_Boolean ShapeExtend_ComplexCurve::myClosed
protected

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