Open CASCADE Technology  6.9.0
Public 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:
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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...
 
void Load (const Handle< Adaptor3d_HCurve > &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 meens: proj(C(u)) = PC(u) for each u. Otherwize, the parametrization may change. More...
 
const gp_Ax3GetPlane () const
 
const gp_DirGetDirection () const
 
const Handle< Adaptor3d_HCurve > & GetCurve () const
 
Standard_Real FirstParameter () const
 
Standard_Real LastParameter () const
 
GeomAbs_Shape Continuity () const
 
Standard_Integer NbIntervals (const GeomAbs_Shape S) const
 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
 Stores in <T> the parameters bounding the intervals of continuity <S>. More...
 
Handle< Adaptor3d_HCurveTrim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const
 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
 
Standard_Boolean IsPeriodic () const
 
Standard_Real Period () const
 
gp_Pnt Value (const Standard_Real U) const
 Computes the point of parameter U on the curve. More...
 
void D0 (const Standard_Real U, gp_Pnt &P) const
 Computes the point of parameter U on the curve. More...
 
void D1 (const Standard_Real U, gp_Pnt &P, gp_Vec &V) const
 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
 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
 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
 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
 Returns the parametric resolution corresponding to the real space resolution <R3d>. More...
 
GeomAbs_CurveType GetType () const
 Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More...
 
gp_Lin Line () const
 
gp_Circ Circle () const
 
gp_Elips Ellipse () const
 
gp_Hypr Hyperbola () const
 
gp_Parab Parabola () const
 
Standard_Integer Degree () const
 
Standard_Boolean IsRational () const
 
Standard_Integer NbPoles () const
 
Standard_Integer NbKnots () const
 
Handle< Geom_BezierCurveBezier () const
 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
 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 ~Adaptor3d_Curve ()
 

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::ProjLib_ProjectOnPlane ( )

Empty constructor.

ProjLib_ProjectOnPlane::ProjLib_ProjectOnPlane ( const gp_Ax3 Pl)

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

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

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

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.

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

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.

gp_Circ ProjLib_ProjectOnPlane::Circle ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

GeomAbs_Shape ProjLib_ProjectOnPlane::Continuity ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

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

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.

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

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.

void ProjLib_ProjectOnPlane::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 current interval is not C2.

Reimplemented from Adaptor3d_Curve.

void ProjLib_ProjectOnPlane::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 current interval is not C3.

Reimplemented from Adaptor3d_Curve.

Standard_Integer ProjLib_ProjectOnPlane::Degree ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

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

Reimplemented from Adaptor3d_Curve.

gp_Elips ProjLib_ProjectOnPlane::Ellipse ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::FirstParameter ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

const Handle< Adaptor3d_HCurve >& ProjLib_ProjectOnPlane::GetCurve ( ) const
const gp_Dir& ProjLib_ProjectOnPlane::GetDirection ( ) const
const gp_Ax3& ProjLib_ProjectOnPlane::GetPlane ( ) const
GeomAbs_CurveType ProjLib_ProjectOnPlane::GetType ( ) const
virtual

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

Reimplemented from Adaptor3d_Curve.

gp_Hypr ProjLib_ProjectOnPlane::Hyperbola ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

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

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

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

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsClosed ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsPeriodic ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Boolean ProjLib_ProjectOnPlane::IsRational ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::LastParameter ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

gp_Lin ProjLib_ProjectOnPlane::Line ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

void ProjLib_ProjectOnPlane::Load ( const Handle< Adaptor3d_HCurve > &  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 meens: proj(C(u)) = PC(u) for each u. Otherwize, the parametrization may change.

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

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

Reimplemented from Adaptor3d_Curve.

Standard_Integer ProjLib_ProjectOnPlane::NbKnots ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Integer ProjLib_ProjectOnPlane::NbPoles ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

gp_Parab ProjLib_ProjectOnPlane::Parabola ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

Standard_Real ProjLib_ProjectOnPlane::Period ( ) const
virtual

Reimplemented from Adaptor3d_Curve.

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

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

Reimplemented from Adaptor3d_Curve.

Handle< Adaptor3d_HCurve > ProjLib_ProjectOnPlane::Trim ( const Standard_Real  First,
const Standard_Real  Last,
const Standard_Real  Tol 
) const
virtual

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.

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

Computes the point of parameter U on the curve.

Reimplemented from Adaptor3d_Curve.


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