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Open CASCADE Technology
6.9.0
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Defines a 2d curve by projection of a 3D curve on a plane with an optional perspective transformation. More...
#include <HLRBRep_Curve.hxx>
Public Member Functions | |
| HLRBRep_Curve () | |
| Creates an undefined Curve. More... | |
| void | Projector (const Standard_Address Proj) |
| BRepAdaptor_Curve & | Curve () |
| Returns the 3D curve. More... | |
| void | Curve (const TopoDS_Edge &E) |
| Sets the 3D curve to be projected. More... | |
| const BRepAdaptor_Curve & | GetCurve () const |
| Returns the 3D curve. More... | |
| Standard_Real | Parameter2d (const Standard_Real P3d) const |
| Returns the parameter on the 2d curve from the parameter on the 3d curve. More... | |
| Standard_Real | Parameter3d (const Standard_Real P2d) const |
| Returns the parameter on the 3d curve from the parameter on the 2d curve. More... | |
| Standard_Real | Update (const Standard_Address TotMin, const Standard_Address TotMax) |
| Update the minmax and the internal data. More... | |
| Standard_Real | UpdateMinMax (const Standard_Address TotMin, const Standard_Address TotMax) |
| Update the minmax returns tol for enlarge;. More... | |
| Standard_Real | Z (const Standard_Real U) const |
| Computes the Z coordinate of the point of parameter U on the curve in the viewing coordinate system. More... | |
| gp_Pnt | Value3D (const Standard_Real U) const |
| Computes the 3D point of parameter U on the curve. More... | |
| void | D0 (const Standard_Real U, gp_Pnt &P) const |
| Computes the 3D 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. More... | |
| void | Tangent (const Standard_Boolean AtStart, gp_Pnt2d &P, gp_Dir2d &D) const |
| Depending on <AtStart> computes the 2D point and tangent on the curve at sart (or at end). If the first derivative is null look after at start (or before at end) with the second derivative. More... | |
| 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... | |
| Standard_Boolean | IsClosed () const |
| Standard_Boolean | IsPeriodic () const |
| Standard_Real | Period () const |
| gp_Pnt2d | Value (const Standard_Real U) const |
| Computes the point of parameter U on the curve. More... | |
| void | D0 (const Standard_Real U, gp_Pnt2d &P) const |
| Computes the point of parameter U on the curve. More... | |
| 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... | |
| void | D2 (const Standard_Real U, gp_Pnt2d &P, gp_Vec2d &V1, gp_Vec2d &V2) const |
| Raised if the continuity of the current interval is not C2. More... | |
| 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... | |
| 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... | |
| 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_Lin2d | Line () const |
| gp_Circ2d | Circle () const |
| gp_Elips2d | Ellipse () const |
| gp_Hypr2d | Hyperbola () const |
| gp_Parab2d | Parabola () const |
| Standard_Boolean | IsRational () const |
| Standard_Integer | Degree () const |
| Standard_Integer | NbPoles () const |
| void | Poles (TColgp_Array1OfPnt2d &TP) const |
| void | Poles (const Handle< Geom_BSplineCurve > &aCurve, TColgp_Array1OfPnt2d &TP) const |
| void | PolesAndWeights (TColgp_Array1OfPnt2d &TP, TColStd_Array1OfReal &TW) const |
| void | PolesAndWeights (const Handle< Geom_BSplineCurve > &aCurve, TColgp_Array1OfPnt2d &TP, TColStd_Array1OfReal &TW) const |
| Standard_Integer | NbKnots () const |
| void | Knots (TColStd_Array1OfReal &kn) const |
| void | Multiplicities (TColStd_Array1OfInteger &mu) const |
Defines a 2d curve by projection of a 3D curve on a plane with an optional perspective transformation.
| HLRBRep_Curve::HLRBRep_Curve | ( | ) |
Creates an undefined Curve.
| gp_Circ2d HLRBRep_Curve::Circle | ( | ) | const |
| GeomAbs_Shape HLRBRep_Curve::Continuity | ( | ) | const |
| BRepAdaptor_Curve& HLRBRep_Curve::Curve | ( | ) |
Returns the 3D curve.
| void HLRBRep_Curve::Curve | ( | const TopoDS_Edge & | E | ) |
Sets the 3D curve to be projected.
| void HLRBRep_Curve::D0 | ( | const Standard_Real | U, |
| gp_Pnt & | P | ||
| ) | const |
Computes the 3D point of parameter U on the curve.
| void HLRBRep_Curve::D0 | ( | const Standard_Real | U, |
| gp_Pnt2d & | P | ||
| ) | const |
Computes the point of parameter U on the curve.
| void HLRBRep_Curve::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.
| void HLRBRep_Curve::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.
| void HLRBRep_Curve::D2 | ( | const Standard_Real | U, |
| gp_Pnt2d & | P, | ||
| gp_Vec2d & | V1, | ||
| gp_Vec2d & | V2 | ||
| ) | const |
Raised if the continuity of the current interval is not C2.
| void HLRBRep_Curve::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.
| Standard_Integer HLRBRep_Curve::Degree | ( | ) | const |
| gp_Vec2d HLRBRep_Curve::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.
| gp_Elips2d HLRBRep_Curve::Ellipse | ( | ) | const |
| Standard_Real HLRBRep_Curve::FirstParameter | ( | ) | const |
| const BRepAdaptor_Curve& HLRBRep_Curve::GetCurve | ( | ) | const |
Returns the 3D curve.
| GeomAbs_CurveType HLRBRep_Curve::GetType | ( | ) | const |
Returns the type of the curve in the current interval : Line, Circle, Ellipse, Hyperbola, Parabola, BezierCurve, BSplineCurve, OtherCurve.
| gp_Hypr2d HLRBRep_Curve::Hyperbola | ( | ) | const |
| void HLRBRep_Curve::Intervals | ( | TColStd_Array1OfReal & | T, |
| const GeomAbs_Shape | S | ||
| ) | const |
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()
| Standard_Boolean HLRBRep_Curve::IsClosed | ( | ) | const |
| Standard_Boolean HLRBRep_Curve::IsPeriodic | ( | ) | const |
| Standard_Boolean HLRBRep_Curve::IsRational | ( | ) | const |
| void HLRBRep_Curve::Knots | ( | TColStd_Array1OfReal & | kn | ) | const |
| Standard_Real HLRBRep_Curve::LastParameter | ( | ) | const |
| gp_Lin2d HLRBRep_Curve::Line | ( | ) | const |
| void HLRBRep_Curve::Multiplicities | ( | TColStd_Array1OfInteger & | mu | ) | const |
| Standard_Integer HLRBRep_Curve::NbIntervals | ( | const GeomAbs_Shape | S | ) | const |
If necessary, breaks the curve in intervals of continuity <S>. And returns the number of intervals.
| Standard_Integer HLRBRep_Curve::NbKnots | ( | ) | const |
| Standard_Integer HLRBRep_Curve::NbPoles | ( | ) | const |
| gp_Parab2d HLRBRep_Curve::Parabola | ( | ) | const |
| Standard_Real HLRBRep_Curve::Parameter2d | ( | const Standard_Real | P3d | ) | const |
Returns the parameter on the 2d curve from the parameter on the 3d curve.
| Standard_Real HLRBRep_Curve::Parameter3d | ( | const Standard_Real | P2d | ) | const |
Returns the parameter on the 3d curve from the parameter on the 2d curve.
| Standard_Real HLRBRep_Curve::Period | ( | ) | const |
| void HLRBRep_Curve::Poles | ( | TColgp_Array1OfPnt2d & | TP | ) | const |
| void HLRBRep_Curve::Poles | ( | const Handle< Geom_BSplineCurve > & | aCurve, |
| TColgp_Array1OfPnt2d & | TP | ||
| ) | const |
| void HLRBRep_Curve::PolesAndWeights | ( | TColgp_Array1OfPnt2d & | TP, |
| TColStd_Array1OfReal & | TW | ||
| ) | const |
| void HLRBRep_Curve::PolesAndWeights | ( | const Handle< Geom_BSplineCurve > & | aCurve, |
| TColgp_Array1OfPnt2d & | TP, | ||
| TColStd_Array1OfReal & | TW | ||
| ) | const |
| void HLRBRep_Curve::Projector | ( | const Standard_Address | Proj | ) |
| Standard_Real HLRBRep_Curve::Resolution | ( | const Standard_Real | R3d | ) | const |
Returns the parametric resolution corresponding to the real space resolution <R3d>.
| void HLRBRep_Curve::Tangent | ( | const Standard_Boolean | AtStart, |
| gp_Pnt2d & | P, | ||
| gp_Dir2d & | D | ||
| ) | const |
Depending on <AtStart> computes the 2D point and tangent on the curve at sart (or at end). If the first derivative is null look after at start (or before at end) with the second derivative.
| Standard_Real HLRBRep_Curve::Update | ( | const Standard_Address | TotMin, |
| const Standard_Address | TotMax | ||
| ) |
Update the minmax and the internal data.
| Standard_Real HLRBRep_Curve::UpdateMinMax | ( | const Standard_Address | TotMin, |
| const Standard_Address | TotMax | ||
| ) |
Update the minmax returns tol for enlarge;.
| gp_Pnt2d HLRBRep_Curve::Value | ( | const Standard_Real | U | ) | const |
Computes the point of parameter U on the curve.
| gp_Pnt HLRBRep_Curve::Value3D | ( | const Standard_Real | U | ) | const |
Computes the 3D point of parameter U on the curve.
| Standard_Real HLRBRep_Curve::Z | ( | const Standard_Real | U | ) | const |
Computes the Z coordinate of the point of parameter U on the curve in the viewing coordinate system.
1.8.5