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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkBinaryCrossStructuringElement.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:33 $ |
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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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DEF |
#ifndef _itkBinaryCrossStructuringElement_txx |
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DEF |
#define _itkBinaryCrossStructuringElement_txx |
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#include "itkBinaryCrossStructuringElement.h" |
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#include "itkNumericTraits.h" |
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namespace itk |
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{ |
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// Create the structuring element |
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template <class TPixel, unsigned int VDimension, class TAllocator> |
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void |
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BinaryCrossStructuringElement<TPixel, VDimension, TAllocator> |
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::CreateStructuringElement() |
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{ |
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// Structuring element is defined to be 3x3x3... |
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RadiusType radius; |
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radius.Fill(1); |
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this->SetRadius(radius); |
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// |
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// Zero out the neighborhood |
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// |
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Iterator kernel_it; |
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for (kernel_it=this->Begin(); kernel_it != this->End(); ++kernel_it) |
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{ |
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*kernel_it = NumericTraits<TPixel>::Zero; |
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} |
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// |
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// Set the face connected neighbors |
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// |
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unsigned int d; |
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OffsetValueType i; |
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OffsetType offset; |
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offset.Fill(0); |
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(*this)[offset] = NumericTraits<TPixel>::One; |
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for (d=0; d < VDimension; ++d) |
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{ |
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for (i=-1; i<=1; i+=2) |
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{ |
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offset[d] = i; |
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(*this)[offset] = NumericTraits<TPixel>::One; // a neighbor pixel in dimension d |
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} |
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offset[d] = 0; |
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} |
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} |
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} // namespace itk |
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#endif |
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