mirror of
https://git.dev.opencascade.org/repos/occt.git
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b9280b8b27
Removed unused exception classes OSD_Exception_FLT_DIVIDE_BY_ZERO, OSD_Exception_INT_DIVIDE_BY_ZERO, OSD_Exception_FLT_DENORMAL_OPERAND, OSD_Exception_FLT_INEXACT_RESULT, OSD_Exception_FLT_INVALID_OPERATION, OSD_Exception_FLT_OVERFLOW, OSD_Exception_FLT_STACK_CHECK, OSD_Exception_FLT_UNDERFLOW.
115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
// Created on: 1992-07-01
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// Created by: Laurent BUCHARD
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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 _IntAna_Quadric_HeaderFile
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#define _IntAna_Quadric_HeaderFile
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#include <NCollection_List.hxx>
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#include <Standard_DefineAlloc.hxx>
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class gp_Cone;
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class gp_Cylinder;
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class gp_Pln;
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class gp_Sphere;
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//! This class provides a description of Quadrics by their
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//! Coefficients in natural coordinate system.
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class IntAna_Quadric
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Empty Constructor
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Standard_EXPORT IntAna_Quadric();
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//! Creates a Quadric from a Pln
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Standard_EXPORT IntAna_Quadric(const gp_Pln& P);
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//! Creates a Quadric from a Sphere
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Standard_EXPORT IntAna_Quadric(const gp_Sphere& Sph);
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//! Creates a Quadric from a Cylinder
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Standard_EXPORT IntAna_Quadric(const gp_Cylinder& Cyl);
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//! Creates a Quadric from a Cone
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Standard_EXPORT IntAna_Quadric(const gp_Cone& Cone);
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//! Initializes the quadric with a Pln
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Standard_EXPORT void SetQuadric (const gp_Pln& P);
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//! Initialize the quadric with a Sphere
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Standard_EXPORT void SetQuadric (const gp_Sphere& Sph);
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//! Initializes the quadric with a Cone
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Standard_EXPORT void SetQuadric (const gp_Cone& Con);
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//! Initializes the quadric with a Cylinder
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Standard_EXPORT void SetQuadric (const gp_Cylinder& Cyl);
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//! Returns the coefficients of the polynomial equation
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//! which define the quadric:
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//! xCXX x**2 + xCYY y**2 + xCZZ z**2
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//! + 2 ( xCXY x y + xCXZ x z + xCYZ y z )
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//! + 2 ( xCX x + xCY y + xCZ z )
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//! + xCCte
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Standard_EXPORT void Coefficients (Standard_Real& xCXX, Standard_Real& xCYY, Standard_Real& xCZZ, Standard_Real& xCXY, Standard_Real& xCXZ, Standard_Real& xCYZ, Standard_Real& xCX, Standard_Real& xCY, Standard_Real& xCZ, Standard_Real& xCCte) const;
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//! Returns the coefficients of the polynomial equation
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//! ( written in the natural coordinates system )
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//! in the local coordinates system defined by Axis
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Standard_EXPORT void NewCoefficients (Standard_Real& xCXX, Standard_Real& xCYY, Standard_Real& xCZZ, Standard_Real& xCXY, Standard_Real& xCXZ, Standard_Real& xCYZ, Standard_Real& xCX, Standard_Real& xCY, Standard_Real& xCZ, Standard_Real& xCCte, const gp_Ax3& Axis) const;
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//! Returns the list of special points (with singularities)
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const NCollection_List<gp_Pnt>& SpecialPoints() const
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{
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return mySpecialPoints;
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}
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protected:
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private:
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Standard_Real CXX;
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Standard_Real CYY;
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Standard_Real CZZ;
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Standard_Real CXY;
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Standard_Real CXZ;
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Standard_Real CYZ;
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Standard_Real CX;
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Standard_Real CY;
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Standard_Real CZ;
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Standard_Real CCte;
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NCollection_List<gp_Pnt> mySpecialPoints;
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};
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#endif // _IntAna_Quadric_HeaderFile
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