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Open CASCADE Technology
6.9.0
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This class implements methods for computing all the orthogonal projections of a 3D point onto a 3D curve. More...
#include <GeomAPI_ProjectPointOnCurve.hxx>
Public Member Functions | |
| GeomAPI_ProjectPointOnCurve () | |
| Creates an empty object. Use an Init function for further initialization. More... | |
| GeomAPI_ProjectPointOnCurve (const gp_Pnt &P, const Handle< Geom_Curve > &Curve) | |
| Create the projection of a point. More... | |
| GeomAPI_ProjectPointOnCurve (const gp_Pnt &P, const Handle< Geom_Curve > &Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup) | |
| Create the projection of a point. More... | |
| void | Init (const gp_Pnt &P, const Handle< Geom_Curve > &Curve) |
| Init the projection of a point. More... | |
| void | Init (const gp_Pnt &P, const Handle< Geom_Curve > &Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup) |
| Init the projection of a point. More... | |
| void | Init (const Handle< Geom_Curve > &Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup) |
| Init the projection of a point. More... | |
| void | Perform (const gp_Pnt &P) |
| Performs the projection of a point on the current curve. More... | |
| Standard_Integer | NbPoints () const |
| Returns the number of computed orthogonal projection points. Note: if this algorithm fails, NbPoints returns 0. More... | |
| operator Standard_Integer () const | |
| gp_Pnt | Point (const Standard_Integer Index) const |
| Returns the orthogonal projection on the curve. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points. More... | |
| Quantity_Parameter | Parameter (const Standard_Integer Index) const |
| Returns the parameter on the curve of the point, which is the orthogonal projection. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points. More... | |
| void | Parameter (const Standard_Integer Index, Quantity_Parameter &U) const |
| Returns the parameter on the curve of the point, which is the orthogonal projection. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points.-. More... | |
| Quantity_Length | Distance (const Standard_Integer Index) const |
| Computes the distance between the point and its orthogonal projection on the curve. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points. More... | |
| gp_Pnt | NearestPoint () const |
| Returns the nearest orthogonal projection of the point on the curve. Exceptions: StdFail_NotDone if this algorithm fails. More... | |
| operator gp_Pnt () const | |
| Quantity_Parameter | LowerDistanceParameter () const |
| Returns the parameter on the curve of the nearest orthogonal projection of the point. Exceptions: StdFail_NotDone if this algorithm fails. More... | |
| Quantity_Length | LowerDistance () const |
| Computes the distance between the point and its nearest orthogonal projection on the curve. Exceptions: StdFail_NotDone if this algorithm fails. More... | |
| operator Standard_Real () const | |
| const Extrema_ExtPC & | Extrema () const |
| return the algorithmic object from Extrema More... | |
This class implements methods for computing all the orthogonal projections of a 3D point onto a 3D curve.
| GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve | ( | ) |
Creates an empty object. Use an Init function for further initialization.
| GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve | ( | const gp_Pnt & | P, |
| const Handle< Geom_Curve > & | Curve | ||
| ) |
Create the projection of a point.
on a curve <Curve>
| GeomAPI_ProjectPointOnCurve::GeomAPI_ProjectPointOnCurve | ( | const gp_Pnt & | P, |
| const Handle< Geom_Curve > & | Curve, | ||
| const Quantity_Parameter | Umin, | ||
| const Quantity_Parameter | Usup | ||
| ) |
Create the projection of a point.
on a curve <Curve> limited by the two points of parameter Umin and Usup.
| Quantity_Length GeomAPI_ProjectPointOnCurve::Distance | ( | const Standard_Integer | Index | ) | const |
Computes the distance between the point and its orthogonal projection on the curve. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points.
| const Extrema_ExtPC& GeomAPI_ProjectPointOnCurve::Extrema | ( | ) | const |
return the algorithmic object from Extrema
| void GeomAPI_ProjectPointOnCurve::Init | ( | const gp_Pnt & | P, |
| const Handle< Geom_Curve > & | Curve | ||
| ) |
Init the projection of a point.
on a curve <Curve>
| void GeomAPI_ProjectPointOnCurve::Init | ( | const gp_Pnt & | P, |
| const Handle< Geom_Curve > & | Curve, | ||
| const Quantity_Parameter | Umin, | ||
| const Quantity_Parameter | Usup | ||
| ) |
Init the projection of a point.
on a curve <Curve> limited by the two points of parameter Umin and Usup.
| void GeomAPI_ProjectPointOnCurve::Init | ( | const Handle< Geom_Curve > & | Curve, |
| const Quantity_Parameter | Umin, | ||
| const Quantity_Parameter | Usup | ||
| ) |
Init the projection of a point.
on a curve <Curve> limited by the two points of parameter Umin and Usup.
| Quantity_Length GeomAPI_ProjectPointOnCurve::LowerDistance | ( | ) | const |
Computes the distance between the point and its nearest orthogonal projection on the curve. Exceptions: StdFail_NotDone if this algorithm fails.
| Quantity_Parameter GeomAPI_ProjectPointOnCurve::LowerDistanceParameter | ( | ) | const |
Returns the parameter on the curve of the nearest orthogonal projection of the point. Exceptions: StdFail_NotDone if this algorithm fails.
| Standard_Integer GeomAPI_ProjectPointOnCurve::NbPoints | ( | ) | const |
Returns the number of computed orthogonal projection points. Note: if this algorithm fails, NbPoints returns 0.
| gp_Pnt GeomAPI_ProjectPointOnCurve::NearestPoint | ( | ) | const |
Returns the nearest orthogonal projection of the point on the curve. Exceptions: StdFail_NotDone if this algorithm fails.
| GeomAPI_ProjectPointOnCurve::operator gp_Pnt | ( | ) | const |
| GeomAPI_ProjectPointOnCurve::operator Standard_Integer | ( | ) | const |
| GeomAPI_ProjectPointOnCurve::operator Standard_Real | ( | ) | const |
| Quantity_Parameter GeomAPI_ProjectPointOnCurve::Parameter | ( | const Standard_Integer | Index | ) | const |
Returns the parameter on the curve of the point, which is the orthogonal projection. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points.
| void GeomAPI_ProjectPointOnCurve::Parameter | ( | const Standard_Integer | Index, |
| Quantity_Parameter & | U | ||
| ) | const |
Returns the parameter on the curve of the point, which is the orthogonal projection. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points.-.
| void GeomAPI_ProjectPointOnCurve::Perform | ( | const gp_Pnt & | P | ) |
Performs the projection of a point on the current curve.
| gp_Pnt GeomAPI_ProjectPointOnCurve::Point | ( | const Standard_Integer | Index | ) | const |
Returns the orthogonal projection on the curve. Index is a number of a computed point. Exceptions Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where NbPoints is the number of solution points.
1.8.5