Open CASCADE Technology
7.7.0
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Root class for 2D curves on which geometric algorithms work. An adapted curve is an interface between the services provided by a curve, and those required of the curve by algorithms, which use it. A derived concrete class is provided: Geom2dAdaptor_Curve for a curve from the Geom2d package. More...
#include <Adaptor2d_Curve2d.hxx>
Public Member Functions | |
virtual Handle< Adaptor2d_Curve2d > | ShallowCopy () const |
Shallow copy of adaptor. More... | |
virtual Standard_Real | FirstParameter () const |
virtual Standard_Real | LastParameter () const |
virtual GeomAbs_Shape | Continuity () const |
virtual 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... | |
virtual void | Intervals (TColStd_Array1OfReal &T, const GeomAbs_Shape S) const |
Stores in <T> the parameters bounding the intervals of continuity <S>. More... | |
virtual Handle< Adaptor2d_Curve2d > | Trim (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... | |
virtual Standard_Boolean | IsClosed () const |
virtual Standard_Boolean | IsPeriodic () const |
virtual Standard_Real | Period () const |
virtual gp_Pnt2d | Value (const Standard_Real U) const |
Computes the point of parameter U on the curve. More... | |
virtual void | D0 (const Standard_Real U, gp_Pnt2d &P) const |
Computes the point of parameter U on the curve. More... | |
virtual void | D1 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &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... | |
virtual void | D2 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &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... | |
virtual void | D3 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2, gp_Vec2d &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... | |
virtual gp_Vec2d | 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... | |
virtual Standard_Real | Resolution (const Standard_Real R3d) const |
Returns the parametric resolution corresponding to the real space resolution <R3d>. More... | |
virtual GeomAbs_CurveType | GetType () const |
Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve. More... | |
virtual gp_Lin2d | Line () const |
virtual gp_Circ2d | Circle () const |
virtual gp_Elips2d | Ellipse () const |
virtual gp_Hypr2d | Hyperbola () const |
virtual gp_Parab2d | Parabola () const |
virtual Standard_Integer | Degree () const |
virtual Standard_Boolean | IsRational () const |
virtual Standard_Integer | NbPoles () const |
virtual Standard_Integer | NbKnots () const |
virtual Standard_Integer | NbSamples () const |
virtual Handle< Geom2d_BezierCurve > | Bezier () const |
virtual Handle< Geom2d_BSplineCurve > | BSpline () const |
virtual | ~Adaptor2d_Curve2d () |
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 | 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_Transient * | This () 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... | |
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... | |
Root class for 2D curves on which geometric algorithms work. An adapted curve is an interface between the services provided by a curve, and those required of the curve by algorithms, which use it. A derived concrete class is provided: Geom2dAdaptor_Curve for a curve from the Geom2d package.
Polynomial coefficients of BSpline curves used for their evaluation are cached for better performance. Therefore these evaluations are not thread-safe and parallel evaluations need to be prevented.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Computes the point of parameter U on the curve.
Reimplemented in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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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 in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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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 in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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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 in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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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 in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.
Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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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 in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals.
Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in Adaptor2d_OffsetCurve, and Geom2dAdaptor_Curve.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Returns the parametric resolution corresponding to the real space resolution <R3d>.
Reimplemented in ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Shallow copy of adaptor.
Reimplemented in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, Adaptor2d_Line2d, and BRepAdaptor_Curve2d.
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Returns a curve equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last>
Reimplemented in ProjLib_CompProjectedCurve, ProjLib_ProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.
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Computes the point of parameter U on the curve.
Reimplemented in ProjLib_ProjectedCurve, ProjLib_CompProjectedCurve, Geom2dAdaptor_Curve, Adaptor2d_OffsetCurve, and Adaptor2d_Line2d.