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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkTorusInteriorExteriorSpatialFunction.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:48 $ |
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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 __itkTorusInteriorExteriorSpatialFunction_txx |
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#define __itkTorusInteriorExteriorSpatialFunction_txx |
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#include "itkTorusInteriorExteriorSpatialFunction.h" |
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namespace itk |
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{ |
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template <unsigned int VDimension, typename TInput> |
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TorusInteriorExteriorSpatialFunction<VDimension, TInput> |
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::TorusInteriorExteriorSpatialFunction() |
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{ |
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m_Origin.Fill(0.0); |
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// These default values are not picked for any particular reason |
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m_MajorRadius = 3; |
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m_MinorRadius = 1; |
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} |
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template <unsigned int VDimension, typename TInput> |
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TorusInteriorExteriorSpatialFunction<VDimension, TInput> |
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::~TorusInteriorExteriorSpatialFunction() |
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{ |
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} |
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template <unsigned int VDimension, typename TInput> |
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typename TorusInteriorExteriorSpatialFunction<VDimension, TInput>::OutputType |
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TorusInteriorExteriorSpatialFunction<VDimension, TInput> |
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::Evaluate(const InputType& position) const |
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{ |
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double x = position[0] - m_Origin[0]; |
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double y = position[1] - m_Origin[1]; |
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double z = position[2] - m_Origin[2]; |
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double k = pow(m_MajorRadius - sqrt(x*x + y*y), 2.0) + z*z; |
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if( k <= (m_MinorRadius * m_MinorRadius) ) |
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return true; |
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else |
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return false; |
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} |
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template <unsigned int VDimension, typename TInput> |
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void |
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TorusInteriorExteriorSpatialFunction<VDimension, TInput> |
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::PrintSelf(std::ostream& os, Indent indent) const |
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{ |
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Superclass::PrintSelf(os,indent); |
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unsigned int i; |
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os << indent << "Origin: ["; |
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for (i=0; i < VDimension - 1; i++) |
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{ |
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os << m_Origin[i] << ", "; |
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} |
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os << "]" << std::endl; |
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os << indent << "Major radius: " << m_MajorRadius << std::endl; |
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os << indent << "Minor radius: " << m_MinorRadius << std::endl; |
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} |
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} // end namespace itk |
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#endif |
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