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Common/vtkQuadric.h

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 =========================================================================*/
00044 #ifndef __vtkQuadric_h
00045 #define __vtkQuadric_h
00046 
00047 #include "vtkImplicitFunction.h"
00048 
00049 class VTK_COMMON_EXPORT vtkQuadric : public vtkImplicitFunction
00050 {
00051 public:
00052   vtkTypeRevisionMacro(vtkQuadric,vtkImplicitFunction);
00053   void PrintSelf(ostream& os, vtkIndent indent);
00054   
00056   static vtkQuadric *New();
00057 
00059 
00060   float EvaluateFunction(float x[3]);
00061   float EvaluateFunction(float x, float y, float z)
00062     {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
00064 
00066   void EvaluateGradient(float x[3], float g[3]);
00067   
00069 
00070   void SetCoefficients(float a[10]);
00071   void SetCoefficients(float a0, float a1, float a2, float a3, float a4, 
00072                        float a5, float a6, float a7, float a8, float a9);
00073   vtkGetVectorMacro(Coefficients,float,10);
00075 
00076 protected:
00077   vtkQuadric();
00078   ~vtkQuadric() {};
00079 
00080   float Coefficients[10];
00081 
00082 private:
00083   vtkQuadric(const vtkQuadric&);  // Not implemented.
00084   void operator=(const vtkQuadric&);  // Not implemented.
00085 };
00086 
00087 #endif
00088 
00089