NAME
vtkQuadric - evaluate implicit quadric function
SYNOPSIS
#include "/opt/vtk-c++/graphics/vtkQuadric.h"
class VTK_EXPORT vtkQuadric : public vtkImplicitFunction
vtkQuadric();
static vtkQuadric *New() {return new vtkQuadric;};
const char *GetClassName() {return "vtkQuadric";};
void PrintSelf(ostream& os, vtkIndent indent);
float EvaluateFunction(float x[3]);
void EvaluateGradient(float x[3], float g[3]);
void SetCoefficients(float a[10]);
void SetCoefficients(float a0, float a1, float a2, float a3, float a4,
float a5, float a6, float a7, float a8, float a9);
float *GetCoefficients();
void GetCoefficients(float data[10]);
DESCRIPTION
vtkQuadric evaluates the quadric function F(x,y,z) = a0*x^2 + a1*y^2 + a2*z^2 + a3*x*y + a4*y*z + a5*x*z + a6*x + a7*y + a8*z + a9. vtkQuadric is a concrete implementation of vtkImplicitFunction.