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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkEllipsoidInteriorExteriorSpatialFunction.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:35 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information. |
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=========================================================================*/ |
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#ifndef __itkEllipsoidInteriorExteriorSpatialFunction_h |
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#define __itkEllipsoidInteriorExteriorSpatialFunction_h |
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#include "itkInteriorExteriorSpatialFunction.h" |
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#include "vnl/vnl_matrix_fixed.h" |
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namespace itk |
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{ |
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/** |
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* \class EllipsoidSpatialFunction |
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* \brief Function implementation of an ellipsoid |
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* |
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* Implements a function that returns 1 for points inside or on the surface |
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* of a ellipsoid and 0 for points outside the ellipsoid. The orientation of the |
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* n-dimensional ellipsoid axes are defined by n orthogonal vectors. |
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* See Examples/EllipsoidInteriorExteriorSpatialFunction/README for an example |
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* of creating an Ellipsoid in an image. |
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* |
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**/ |
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template <unsigned int VDimension = 3, |
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typename TInput = Point<double, VDimension> > |
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class ITK_EXPORT EllipsoidInteriorExteriorSpatialFunction |
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: public InteriorExteriorSpatialFunction<VDimension, TInput> |
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{ |
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public: |
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/** Standard class typedefs. */ |
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typedef EllipsoidInteriorExteriorSpatialFunction Self; |
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TDA |
typedef InteriorExteriorSpatialFunction<VDimension, TInput> Superclass; |
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TDA |
typedef SmartPointer<Self> Pointer; |
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TDA |
typedef SmartPointer<const Self> ConstPointer; |
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/** Run-time type information (and related methods). */ |
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itkTypeMacro(EllipsoidInteriorExteriorSpatialFunction,InteriorExteriorSpatialFunction); |
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/** Method for creation through the object factory. */ |
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itkNewMacro(Self); |
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/** Input type for the function */ |
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typedef typename Superclass::InputType InputType; |
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/** Output type for the function */ |
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typedef typename Superclass::OutputType OutputType; |
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/** Typedef for the orientation matrix */ |
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typedef vnl_matrix_fixed<double, VDimension, VDimension> OrientationType; |
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/** Set/Get and set the center of the ellipsoid. */ |
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itkGetMacro(Center, InputType); |
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itkSetMacro(Center, InputType); |
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/** Get and set the axes lengths of the ellipsoid. */ |
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itkGetMacro(Axes, InputType); |
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itkSetMacro(Axes, InputType); |
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/** Set the orientation vectors (must be orthogonal) of the ellipsoid axes. |
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* Must be normalized!!!!! */ |
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void SetOrientations(const OrientationType &); |
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/** Evaluates the function at a given position. */ |
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OutputType Evaluate(const InputType& position) const; |
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protected: |
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EllipsoidInteriorExteriorSpatialFunction(); |
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virtual ~EllipsoidInteriorExteriorSpatialFunction(); |
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void PrintSelf(std::ostream& os, Indent indent) const; |
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private: |
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EllipsoidInteriorExteriorSpatialFunction(const Self&); //purposely not implemented |
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void operator=(const Self&); //purposely not implemented |
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/** The center of the ellipsoid. */ |
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InputType m_Center; |
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/** The axes lenths of the ellipsoid. */ |
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InputType m_Axes; |
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/** The orientation vectors (must be orthogonal) of the ellipsoid axes. */ |
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double ** m_Orientations; |
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}; |
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} // end namespace itk |
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#ifndef ITK_MANUAL_INSTANTIATION |
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#include "itkEllipsoidInteriorExteriorSpatialFunction.txx" |
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#endif |
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#endif |
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