Open CASCADE Technology  6.9.1
Public Member Functions
GeomAPI_ProjectPointOnSurf Class Reference

This class implements methods for computing all the orthogonal projections of a point onto a surface. More...

#include <GeomAPI_ProjectPointOnSurf.hxx>

Public Member Functions

 GeomAPI_ProjectPointOnSurf ()
 Creates an empty object. Use the Init function for further initialization. More...
 
 GeomAPI_ProjectPointOnSurf (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 Create the projection of a point. More...
 
 GeomAPI_ProjectPointOnSurf (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Standard_Real Tolerance, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 Create the projection of a point. More...
 
 GeomAPI_ProjectPointOnSurf (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Standard_Real Tolerance, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 
 GeomAPI_ProjectPointOnSurf (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 Init the projection of a point. More...
 
void Init (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Standard_Real Tolerance, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 
void Init (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 Init the projection of a point. More...
 
void Init (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Standard_Real Tolerance, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 
void Init (const gp_Pnt &P, const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 Init the projection for many points on a surface <Surface>. The solutions will be computed in the domain [Umin,Usup] [Vmin,Vsup] of the surface. More...
 
void Init (const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Standard_Real Tolerance, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 
void Init (const Handle< Geom_Surface > &Surface, const Quantity_Parameter Umin, const Quantity_Parameter Usup, const Quantity_Parameter Vmin, const Quantity_Parameter Vsup, const Extrema_ExtAlgo Algo=Extrema_ExtAlgo_Grad)
 
void Perform (const gp_Pnt &P)
 Performs the projection of a point on the current surface. More...
 
Standard_Boolean IsDone () const
 
Standard_Integer NbPoints () const
 Returns the number of computed orthogonal projection points. Note: if projection fails, NbPoints returns 0. More...
 
 operator Standard_Integer () const
 
gp_Pnt Point (const Standard_Integer Index) const
 Returns the orthogonal projection on the surface. 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 Parameters (const Standard_Integer Index, Quantity_Parameter &U, Quantity_Parameter &V) const
 Returns the parameters (U,V) on the surface of 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 surface. 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 surface. Exceptions StdFail_NotDone if projection fails. More...
 
 operator gp_Pnt () const
 
void LowerDistanceParameters (Quantity_Parameter &U, Quantity_Parameter &V) const
 Returns the parameters (U,V) on the surface of the nearest computed orthogonal projection of the point. Exceptions StdFail_NotDone if projection fails. More...
 
Quantity_Length LowerDistance () const
 Computes the distance between the point and its nearest orthogonal projection on the surface. Exceptions StdFail_NotDone if projection fails. More...
 
 operator Standard_Real () const
 
const Extrema_ExtPSExtrema () const
 return the algorithmic object from Extrema More...
 

Detailed Description

This class implements methods for computing all the orthogonal projections of a point onto a surface.

Constructor & Destructor Documentation

GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf ( )

Creates an empty object. Use the Init function for further initialization.

GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)

Create the projection of a point.

on a surface <Surface>

GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Standard_Real  Tolerance,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)

Create the projection of a point.

on a surface <Surface> Create the projection of a point

on a surface <Surface>. The solution are computed in the domain [Umin,Usup] [Vmin,Vsup] of the surface.

GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Standard_Real  Tolerance,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)
GeomAPI_ProjectPointOnSurf::GeomAPI_ProjectPointOnSurf ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)

Init the projection of a point.

on a surface <Surface>

Member Function Documentation

Quantity_Length GeomAPI_ProjectPointOnSurf::Distance ( const Standard_Integer  Index) const

Computes the distance between the point and its orthogonal projection on the surface. 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_ExtPS& GeomAPI_ProjectPointOnSurf::Extrema ( ) const

return the algorithmic object from Extrema

void GeomAPI_ProjectPointOnSurf::Init ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Standard_Real  Tolerance,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)
void GeomAPI_ProjectPointOnSurf::Init ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)

Init the projection of a point.

on a surface <Surface>. The solution are computed in the domain [Umin,Usup] [Vmin,Vsup] of the surface.

void GeomAPI_ProjectPointOnSurf::Init ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Standard_Real  Tolerance,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)
void GeomAPI_ProjectPointOnSurf::Init ( const gp_Pnt P,
const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)

Init the projection for many points on a surface <Surface>. The solutions will be computed in the domain [Umin,Usup] [Vmin,Vsup] of the surface.

void GeomAPI_ProjectPointOnSurf::Init ( const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Standard_Real  Tolerance,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)
void GeomAPI_ProjectPointOnSurf::Init ( const Handle< Geom_Surface > &  Surface,
const Quantity_Parameter  Umin,
const Quantity_Parameter  Usup,
const Quantity_Parameter  Vmin,
const Quantity_Parameter  Vsup,
const Extrema_ExtAlgo  Algo = Extrema_ExtAlgo_Grad 
)
Standard_Boolean GeomAPI_ProjectPointOnSurf::IsDone ( ) const
Quantity_Length GeomAPI_ProjectPointOnSurf::LowerDistance ( ) const

Computes the distance between the point and its nearest orthogonal projection on the surface. Exceptions StdFail_NotDone if projection fails.

void GeomAPI_ProjectPointOnSurf::LowerDistanceParameters ( Quantity_Parameter U,
Quantity_Parameter V 
) const

Returns the parameters (U,V) on the surface of the nearest computed orthogonal projection of the point. Exceptions StdFail_NotDone if projection fails.

Standard_Integer GeomAPI_ProjectPointOnSurf::NbPoints ( ) const

Returns the number of computed orthogonal projection points. Note: if projection fails, NbPoints returns 0.

gp_Pnt GeomAPI_ProjectPointOnSurf::NearestPoint ( ) const

Returns the nearest orthogonal projection of the point on the surface. Exceptions StdFail_NotDone if projection fails.

GeomAPI_ProjectPointOnSurf::operator gp_Pnt ( ) const
GeomAPI_ProjectPointOnSurf::operator Standard_Integer ( ) const
GeomAPI_ProjectPointOnSurf::operator Standard_Real ( ) const
void GeomAPI_ProjectPointOnSurf::Parameters ( const Standard_Integer  Index,
Quantity_Parameter U,
Quantity_Parameter V 
) const

Returns the parameters (U,V) on the surface of 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_ProjectPointOnSurf::Perform ( const gp_Pnt P)

Performs the projection of a point on the current surface.

gp_Pnt GeomAPI_ProjectPointOnSurf::Point ( const Standard_Integer  Index) const

Returns the orthogonal projection on the surface. 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.


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