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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
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
// Created on: 1992-09-30
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// Created by: Jacques GOUSSARD
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// Copyright (c) 1992-1999 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 _IntSurf_QuadricTool_HeaderFile
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#define _IntSurf_QuadricTool_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_Real.hxx>
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class IntSurf_Quadric;
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class gp_Vec;
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//! This class provides a tool on a quadric that can be
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//! used to instantiates the Walking algorithmes (see
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//! package IntWalk) with a Quadric from IntSurf
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//! as implicit surface.
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class IntSurf_QuadricTool
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Returns the value of the function.
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static Standard_Real Value (const IntSurf_Quadric& Quad, const Standard_Real X, const Standard_Real Y, const Standard_Real Z);
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//! Returns the gradient of the function.
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static void Gradient (const IntSurf_Quadric& Quad, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, gp_Vec& V);
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//! Returns the value and the gradient.
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static void ValueAndGradient (const IntSurf_Quadric& Quad, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, Standard_Real& Val, gp_Vec& Grad);
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//! returns the tolerance of the zero of the implicit function
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Standard_EXPORT static Standard_Real Tolerance (const IntSurf_Quadric& Quad);
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protected:
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private:
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};
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#include <IntSurf_QuadricTool.lxx>
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#endif // _IntSurf_QuadricTool_HeaderFile
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