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69 lines
2.0 KiB
69 lines
2.0 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkSphere.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkSphere - implicit function for a sphere
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// .SECTION Description
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// vtkSphere computes the implicit function and/or gradient for a sphere.
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// vtkSphere is a concrete implementation of vtkImplicitFunction.
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#ifndef __vtkSphere_h
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#define __vtkSphere_h
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#include "vtkImplicitFunction.h"
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class VTK_FILTERING_EXPORT vtkSphere : public vtkImplicitFunction
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{
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public:
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vtkTypeRevisionMacro(vtkSphere,vtkImplicitFunction);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description
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// Construct sphere with center at (0,0,0) and radius=0.5.
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static vtkSphere *New();
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// Description
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// Evaluate sphere equation ((x-x0)^2 + (y-y0)^2 + (z-z0)^2) - R^2.
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double EvaluateFunction(double x[3]);
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double EvaluateFunction(double x, double y, double z)
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{return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
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// Description
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// Evaluate sphere gradient.
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void EvaluateGradient(double x[3], double n[3]);
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// Description:
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// Set / get the radius of the sphere.
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vtkSetMacro(Radius,double);
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vtkGetMacro(Radius,double);
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// Description:
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// Set / get the center of the sphere.
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vtkSetVector3Macro(Center,double);
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vtkGetVectorMacro(Center,double,3);
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protected:
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vtkSphere();
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~vtkSphere() {};
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double Radius;
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double Center[3];
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private:
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vtkSphere(const vtkSphere&); // Not implemented.
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void operator=(const vtkSphere&); // Not implemented.
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};
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#endif
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