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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
159 lines
5.4 KiB
C++
159 lines
5.4 KiB
C++
// Created on: 1994-03-17
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// Created by: Bruno DUMORTIER
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _GeomAPI_ProjectPointOnCurve_HeaderFile
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#define _GeomAPI_ProjectPointOnCurve_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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#include <Extrema_ExtPC.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <Quantity_Parameter.hxx>
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#include <Quantity_Length.hxx>
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class Standard_OutOfRange;
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class StdFail_NotDone;
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class gp_Pnt;
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class Geom_Curve;
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class Extrema_ExtPC;
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//! This class implements methods for computing all the orthogonal
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//! projections of a 3D point onto a 3D curve.
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class GeomAPI_ProjectPointOnCurve
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Creates an empty object. Use an
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//! Init function for further initialization.
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Standard_EXPORT GeomAPI_ProjectPointOnCurve();
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//! Create the projection of a point <P> on a curve
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//! <Curve>
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Standard_EXPORT GeomAPI_ProjectPointOnCurve(const gp_Pnt& P, const Handle(Geom_Curve)& Curve);
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//! Create the projection of a point <P> on a curve
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//! <Curve> limited by the two points of parameter Umin and Usup.
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Standard_EXPORT GeomAPI_ProjectPointOnCurve(const gp_Pnt& P, const Handle(Geom_Curve)& Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup);
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//! Init the projection of a point <P> on a curve
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//! <Curve>
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Standard_EXPORT void Init (const gp_Pnt& P, const Handle(Geom_Curve)& Curve);
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//! Init the projection of a point <P> on a curve
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//! <Curve> limited by the two points of parameter Umin and Usup.
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Standard_EXPORT void Init (const gp_Pnt& P, const Handle(Geom_Curve)& Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup);
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//! Init the projection of a point <P> on a curve
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//! <Curve> limited by the two points of parameter Umin and Usup.
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Standard_EXPORT void Init (const Handle(Geom_Curve)& Curve, const Quantity_Parameter Umin, const Quantity_Parameter Usup);
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//! Performs the projection of a point on the current curve.
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Standard_EXPORT void Perform (const gp_Pnt& P);
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//! Returns the number of computed
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//! orthogonal projection points.
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//! Note: if this algorithm fails, NbPoints returns 0.
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Standard_EXPORT Standard_Integer NbPoints() const;
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Standard_EXPORT operator Standard_Integer() const;
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//! Returns the orthogonal projection
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//! on the curve. Index is a number of a computed point.
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//! Exceptions
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//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
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//! NbPoints is the number of solution points.
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Standard_EXPORT gp_Pnt Point (const Standard_Integer Index) const;
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//! Returns the parameter on the curve
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//! of the point, which is the orthogonal projection. Index is a
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//! number of a computed point.
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//! Exceptions
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//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
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//! NbPoints is the number of solution points.
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Standard_EXPORT Quantity_Parameter Parameter (const Standard_Integer Index) const;
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//! Returns the parameter on the curve
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//! of the point, which is the orthogonal projection. Index is a
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//! number of a computed point.
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//! Exceptions
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//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
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//! NbPoints is the number of solution points.-
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Standard_EXPORT void Parameter (const Standard_Integer Index, Quantity_Parameter& U) const;
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//! Computes the distance between the
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//! point and its orthogonal projection on the curve. Index is a number of a computed point.
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//! Exceptions
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//! Standard_OutOfRange if Index is not in the range [ 1,NbPoints ], where
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//! NbPoints is the number of solution points.
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Standard_EXPORT Quantity_Length Distance (const Standard_Integer Index) const;
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//! Returns the nearest orthogonal
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//! projection of the point on the curve.
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//! Exceptions: StdFail_NotDone if this algorithm fails.
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Standard_EXPORT gp_Pnt NearestPoint() const;
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Standard_EXPORT operator gp_Pnt() const;
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//! Returns the parameter on the curve
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//! of the nearest orthogonal projection of the point.
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//! Exceptions: StdFail_NotDone if this algorithm fails.
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Standard_EXPORT Quantity_Parameter LowerDistanceParameter() const;
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//! Computes the distance between the
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//! point and its nearest orthogonal projection on the curve.
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//! Exceptions: StdFail_NotDone if this algorithm fails.
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Standard_EXPORT Quantity_Length LowerDistance() const;
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Standard_EXPORT operator Standard_Real() const;
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//! return the algorithmic object from Extrema
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const Extrema_ExtPC& Extrema() const;
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protected:
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private:
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Standard_Boolean myIsDone;
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Standard_Integer myIndex;
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Extrema_ExtPC myExtPC;
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GeomAdaptor_Curve myC;
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};
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#include <GeomAPI_ProjectPointOnCurve.lxx>
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#endif // _GeomAPI_ProjectPointOnCurve_HeaderFile
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