Open CASCADE Technology  7.7.0
Public Member Functions | Protected Member Functions
ProjLib_ProjectOnPlane Class Reference

Class used to project a 3d curve on a plane. The result will be a 3d curve. More...

#include <ProjLib_ProjectOnPlane.hxx>

Inheritance diagram for ProjLib_ProjectOnPlane:
Inheritance graph
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Public Member Functions

 ProjLib_ProjectOnPlane ()
 Empty constructor. More...
 
 ProjLib_ProjectOnPlane (const gp_Ax3 &Pl)
 The projection will be normal to the Plane defined by the Ax3 <Pl>. More...
 
 ProjLib_ProjectOnPlane (const gp_Ax3 &Pl, const gp_Dir &D)
 The projection will be along the direction <D> on the plane defined by the Ax3 <Pl>. raises if the direction <D> is parallel to the plane <Pl>. More...
 
virtual Handle< Adaptor3d_CurveShallowCopy () const override
 Shallow copy of adaptor. More...
 
void Load (const Handle< Adaptor3d_Curve > &C, const Standard_Real Tolerance, const Standard_Boolean KeepParametrization=Standard_True)
 Sets the Curve and perform the projection. if <KeepParametrization> is true, the parametrization of the Projected Curve <PC> will be the same as the parametrization of the initial curve . It means: proj(C(u)) = PC(u) for each u. Otherwise, the parametrization may change. More...
 
const gp_Ax3GetPlane () const
 
const gp_DirGetDirection () const
 
const Handle< Adaptor3d_Curve > & GetCurve () const
 
const Handle< GeomAdaptor_Curve > & GetResult () const
 
Standard_Real FirstParameter () const override
 
Standard_Real LastParameter () const override
 
GeomAbs_Shape Continuity () const override
 
Standard_Integer NbIntervals (const GeomAbs_Shape S) const override
 If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals. More...
 
void Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const override
 Stores in <T> the parameters bounding the intervals of continuity <S>. More...
 
Handle< Adaptor3d_CurveTrim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const override
 Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last> More...
 
Standard_Boolean IsClosed () const override
 
Standard_Boolean IsPeriodic () const override
 
Standard_Real Period () const override
 
gp_Pnt Value (const Standard_Real U) const override
 Computes the point of parameter U on the curve. More...
 
void D0 (const Standard_Real U, gp_Pnt &P) const override
 Computes the point of parameter U on the curve. More...
 
void D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const override
 Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1. More...
 
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 current interval is not C2. More...
 
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 current interval is not C3. More...
 
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 current interval is not CN. Raised if N < 1. More...
 
Standard_Real Resolution (const Standard_Real R3d) const override
 Returns the parametric resolution corresponding to the real space resolution <R3d>. More...
 
GeomAbs_CurveType GetType () const override
 Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More...
 
gp_Lin Line () const override
 
gp_Circ Circle () const override
 
gp_Elips Ellipse () const override
 
gp_Hypr Hyperbola () const override
 
gp_Parab Parabola () const override
 
Standard_Integer Degree () const override
 
Standard_Boolean IsRational () const override
 
Standard_Integer NbPoles () const override
 
Standard_Integer NbKnots () const override
 
Handle< Geom_BezierCurveBezier () const override
 Warning ! this will NOT make a copy of the Bezier Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last. More...
 
Handle< Geom_BSplineCurveBSpline () const override
 Warning ! this will NOT make a copy of the BSpline Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last. More...
 
- Public Member Functions inherited from Adaptor3d_Curve
virtual Handle< Geom_OffsetCurveOffsetCurve () const
 
virtual ~Adaptor3d_Curve ()
 
- 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

void GetTrimmedResult (const Handle< Geom_Curve > &theProjCurve)
 
Standard_Boolean BuildParabolaByApex (Handle< Geom_Curve > &theGeomParabolaPtr)
 
Standard_Boolean BuildHyperbolaByApex (Handle< Geom_Curve > &theGeomParabolaPtr)
 
void BuildByApprox (const Standard_Real theLimitParameter)
 

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

Class used to project a 3d curve on a plane. The result will be a 3d curve.

You can ask the projected curve to have the same parametrization as the original curve.

The projection can be done along every direction not parallel to the plane.

Constructor & Destructor Documentation

◆ ProjLib_ProjectOnPlane() [1/3]

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( )

Empty constructor.

◆ ProjLib_ProjectOnPlane() [2/3]

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( const gp_Ax3 Pl)

The projection will be normal to the Plane defined by the Ax3 <Pl>.

◆ ProjLib_ProjectOnPlane() [3/3]

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( const gp_Ax3 Pl,
const gp_Dir D 
)

The projection will be along the direction <D> on the plane defined by the Ax3 <Pl>. raises if the direction <D> is parallel to the plane <Pl>.

Member Function Documentation

◆ Bezier()

Handle< Geom_BezierCurve > ProjLib_ProjectOnPlane::Bezier ( ) const
overridevirtual

Warning ! this will NOT make a copy of the Bezier Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last.

Reimplemented from Adaptor3d_Curve.

◆ BSpline()

Handle< Geom_BSplineCurve > ProjLib_ProjectOnPlane::BSpline ( ) const
overridevirtual

Warning ! this will NOT make a copy of the BSpline Curve : If you want to modify the Curve please make a copy yourself Also it will NOT trim the surface to myFirst/Last.

Reimplemented from Adaptor3d_Curve.

◆ BuildByApprox()

void ProjLib_ProjectOnPlane::BuildByApprox ( const Standard_Real  theLimitParameter)
protected

◆ BuildHyperbolaByApex()

Standard_Boolean ProjLib_ProjectOnPlane::BuildHyperbolaByApex ( Handle< Geom_Curve > &  theGeomParabolaPtr)
protected

◆ BuildParabolaByApex()

Standard_Boolean ProjLib_ProjectOnPlane::BuildParabolaByApex ( Handle< Geom_Curve > &  theGeomParabolaPtr)
protected

◆ Circle()

gp_Circ ProjLib_ProjectOnPlane::Circle ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Continuity()

GeomAbs_Shape ProjLib_ProjectOnPlane::Continuity ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ D0()

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

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.

◆ D1()

void ProjLib_ProjectOnPlane::D1 ( const Standard_Real  U,
gp_Pnt P,
gp_Vec V 
) const
overridevirtual

Computes the point of parameter U on the curve with its first derivative. Raised if the continuity of the current interval is not C1.

Reimplemented from Adaptor3d_Curve.

◆ D2()

void ProjLib_ProjectOnPlane::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 current interval is not C2.

Reimplemented from Adaptor3d_Curve.

◆ D3()

void ProjLib_ProjectOnPlane::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 current interval is not C3.

Reimplemented from Adaptor3d_Curve.

◆ Degree()

Standard_Integer ProjLib_ProjectOnPlane::Degree ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ DN()

gp_Vec ProjLib_ProjectOnPlane::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 current interval is not CN. Raised if N < 1.

Reimplemented from Adaptor3d_Curve.

◆ Ellipse()

gp_Elips ProjLib_ProjectOnPlane::Ellipse ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ FirstParameter()

Standard_Real ProjLib_ProjectOnPlane::FirstParameter ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ GetCurve()

const Handle< Adaptor3d_Curve >& ProjLib_ProjectOnPlane::GetCurve ( ) const

◆ GetDirection()

const gp_Dir& ProjLib_ProjectOnPlane::GetDirection ( ) const

◆ GetPlane()

const gp_Ax3& ProjLib_ProjectOnPlane::GetPlane ( ) const

◆ GetResult()

const Handle< GeomAdaptor_Curve >& ProjLib_ProjectOnPlane::GetResult ( ) const

◆ GetTrimmedResult()

void ProjLib_ProjectOnPlane::GetTrimmedResult ( const Handle< Geom_Curve > &  theProjCurve)
protected

◆ GetType()

GeomAbs_CurveType ProjLib_ProjectOnPlane::GetType ( ) const
overridevirtual

Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.

Reimplemented from Adaptor3d_Curve.

◆ Hyperbola()

gp_Hypr ProjLib_ProjectOnPlane::Hyperbola ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Intervals()

void ProjLib_ProjectOnPlane::Intervals ( TColStd_Array1OfReal T,
const GeomAbs_Shape  S 
) const
overridevirtual

Stores in <T> the parameters bounding the intervals of continuity <S>.

The array must provide enough room to accommodate for the parameters. i.e. T.Length() > NbIntervals()

Reimplemented from Adaptor3d_Curve.

◆ IsClosed()

Standard_Boolean ProjLib_ProjectOnPlane::IsClosed ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ IsPeriodic()

Standard_Boolean ProjLib_ProjectOnPlane::IsPeriodic ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ IsRational()

Standard_Boolean ProjLib_ProjectOnPlane::IsRational ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ LastParameter()

Standard_Real ProjLib_ProjectOnPlane::LastParameter ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Line()

gp_Lin ProjLib_ProjectOnPlane::Line ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Load()

void ProjLib_ProjectOnPlane::Load ( const Handle< Adaptor3d_Curve > &  C,
const Standard_Real  Tolerance,
const Standard_Boolean  KeepParametrization = Standard_True 
)

Sets the Curve and perform the projection. if <KeepParametrization> is true, the parametrization of the Projected Curve <PC> will be the same as the parametrization of the initial curve . It means: proj(C(u)) = PC(u) for each u. Otherwise, the parametrization may change.

◆ NbIntervals()

Standard_Integer ProjLib_ProjectOnPlane::NbIntervals ( const GeomAbs_Shape  S) const
overridevirtual

If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals.

Reimplemented from Adaptor3d_Curve.

◆ NbKnots()

Standard_Integer ProjLib_ProjectOnPlane::NbKnots ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ NbPoles()

Standard_Integer ProjLib_ProjectOnPlane::NbPoles ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Parabola()

gp_Parab ProjLib_ProjectOnPlane::Parabola ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Period()

Standard_Real ProjLib_ProjectOnPlane::Period ( ) const
overridevirtual

Reimplemented from Adaptor3d_Curve.

◆ Resolution()

Standard_Real ProjLib_ProjectOnPlane::Resolution ( const Standard_Real  R3d) const
overridevirtual

Returns the parametric resolution corresponding to the real space resolution <R3d>.

Reimplemented from Adaptor3d_Curve.

◆ ShallowCopy()

virtual Handle< Adaptor3d_Curve > ProjLib_ProjectOnPlane::ShallowCopy ( ) const
overridevirtual

Shallow copy of adaptor.

Reimplemented from Adaptor3d_Curve.

◆ Trim()

Handle< Adaptor3d_Curve > ProjLib_ProjectOnPlane::Trim ( const Standard_Real  First,
const Standard_Real  Last,
const Standard_Real  Tol 
) const
overridevirtual

Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last>

Reimplemented from Adaptor3d_Curve.

◆ Value()

gp_Pnt ProjLib_ProjectOnPlane::Value ( const Standard_Real  U) const
overridevirtual

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.


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