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88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
// Created on: 1991-10-10
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// Created by: Jean Claude VAUTHIER
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// Copyright (c) 1991-1999 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 _Convert_ConeToBSplineSurface_HeaderFile
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#define _Convert_ConeToBSplineSurface_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 <Convert_ElementarySurfaceToBSplineSurface.hxx>
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#include <Standard_Real.hxx>
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class gp_Cone;
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//! This algorithm converts a bounded Cone into a rational
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//! B-spline surface.
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//! The cone a Cone from package gp. Its parametrization is :
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//! P (U, V) = Loc + V * Zdir +
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//! (R + V*Tan(Ang)) * (Cos(U)*Xdir + Sin(U)*Ydir)
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//! where Loc is the location point of the cone, Xdir, Ydir and Zdir
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//! are the normalized directions of the local cartesian coordinate
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//! system of the cone (Zdir is the direction of the Cone's axis) ,
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//! Ang is the cone semi-angle. The U parametrization range is
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//! [0, 2PI].
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//! KeyWords :
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//! Convert, Cone, BSplineSurface.
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class Convert_ConeToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! The equivalent B-spline surface as the same orientation as the
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//! Cone in the U and V parametric directions.
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//!
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//! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi
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//! Raised if V1 = V2.
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Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2);
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//! The equivalent B-spline surface as the same orientation as the
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//! Cone in the U and V parametric directions.
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//!
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//! Raised if V1 = V2.
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Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real V1, const Standard_Real V2);
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protected:
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private:
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};
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#endif // _Convert_ConeToBSplineSurface_HeaderFile
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