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# Common/vtkQuadric.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkQuadric.h,v $
    00005   Language:  C++
    00006
    00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
    00008   All rights reserved.
    00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
    00010
    00011      This software is distributed WITHOUT ANY WARRANTY; without even
    00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00013      PURPOSE.  See the above copyright notice for more information.
    00014
    00015 =========================================================================*/
    00043 #ifndef __vtkQuadric_h
    00044 #define __vtkQuadric_h
    00045
    00046 #include "vtkImplicitFunction.h"
    00047
    00048 class VTK_COMMON_EXPORT vtkQuadric : public vtkImplicitFunction
    00049 {
    00050 public:
    00051   vtkTypeRevisionMacro(vtkQuadric,vtkImplicitFunction);
    00052   void PrintSelf(ostream& os, vtkIndent indent);
    00053
    00055   static vtkQuadric *New();
    00056
    00058
    00059   float EvaluateFunction(float x[3]);
    00060   float EvaluateFunction(float x, float y, float z)
    00061     {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
    00063
    00065   void EvaluateGradient(float x[3], float g[3]);
    00066
    00068
    00069   void SetCoefficients(float a[10]);
    00070   void SetCoefficients(float a0, float a1, float a2, float a3, float a4,
    00071                        float a5, float a6, float a7, float a8, float a9);
    00072   vtkGetVectorMacro(Coefficients,float,10);
    00074
    00075 protected:
    00076   vtkQuadric();
    00077   ~vtkQuadric() {};
    00078
    00079   float Coefficients[10];
    00080
    00081 private:
    00082   vtkQuadric(const vtkQuadric&);  // Not implemented.
    00083   void operator=(const vtkQuadric&);  // Not implemented.
    00084 };
    00085
    00086 #endif
    00087
    00088