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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSphereSpatialFunction.h,v $
Language: C++
Date: $Date: 2007-01-30 23:39:53 $
Version: $Revision: 1.16 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkSphereSpatialFunction_h
#define __itkSphereSpatialFunction_h
#include "itkInteriorExteriorSpatialFunction.h"
namespace itk
{
/** \class SphereSpatialFunction
* \brief Spatial function implementation of a sphere
*
* Implements a function that returns 0 for points inside or on the surface
* of a sphere, 1 for points outside the sphere
*
* \ingroup SpatialFunctions
*/
template <unsigned int VImageDimension=3,typename TInput=Point<double,VImageDimension> >
class ITK_EXPORT SphereSpatialFunction
: public InteriorExteriorSpatialFunction<VImageDimension,TInput>
{
public:
/** Standard class typedefs. */
typedef SphereSpatialFunction<VImageDimension,TInput> Self;
typedef InteriorExteriorSpatialFunction<VImageDimension,TInput> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(SphereSpatialFunction,InteriorExteriorSpatialFunction);
/** Input type for the function. */
typedef typename Superclass::InputType InputType;
/** Output type for the function. */
typedef typename Superclass::OutputType OutputType;
/** Evaluates the function at a given position */
OutputType Evaluate(const InputType& position) const;
/** Get and set the center of the sphere. */
itkGetMacro( Center, InputType);
itkSetMacro( Center, InputType);
/** Get and set the radius of the sphere */
itkGetMacro( Radius, double);
itkSetMacro( Radius, double);
protected:
SphereSpatialFunction();
virtual ~SphereSpatialFunction();
void PrintSelf(std::ostream& os, Indent indent) const;
private:
SphereSpatialFunction(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
/** The center of the sphere (of the same type as Input). */
InputType m_Center;
/** The radius of the sphere. */
double m_Radius;
};
} // end namespace itk
// Define instantiation macro for this template.
#define ITK_TEMPLATE_SphereSpatialFunction(_, EXPORT, x, y) namespace itk { \
_(2(class EXPORT SphereSpatialFunction< ITK_TEMPLATE_2 x >)) \
namespace Templates { typedef SphereSpatialFunction< ITK_TEMPLATE_2 x > \
SphereSpatialFunction##y; } \
}
#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkSphereSpatialFunction+-.h"
#endif
#if ITK_TEMPLATE_TXX
# include "itkSphereSpatialFunction.txx"
#endif
#endif
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