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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkNarrowBand.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 __itkNarrowBand_txx
#define __itkNarrowBand_txx
#include "itkNarrowBand.h"
#include "math.h"
#include "vcl_cmath.h"
namespace itk
{
#if !defined(CABLE_CONFIGURATION)
template <class NodeType >
std::vector< ITK_TYPENAME NarrowBand<NodeType>::RegionType>
NarrowBand<NodeType>
::SplitBand( unsigned int n)
{
unsigned int i;
std::vector<RegionType> regionList;
if (n > static_cast<unsigned int>( m_NodeContainer.size() ) )
{
n = static_cast<unsigned int>( m_NodeContainer.size() );
}
unsigned int regionsize = static_cast<unsigned int> (vcl_floor(static_cast<float>(m_NodeContainer.size())/static_cast<float>( n )));
if (regionsize == 0)
{
regionsize = 1;
}
RegionType region;
Iterator pos = this->Begin();
for (i = 0; i < n; i++)
{
region.Begin = pos;
pos += regionsize;
if (i != n-1)
{
region.End = pos;
}
else
{
region.End = this->End();
}
regionList.push_back(region);
}
return regionList;
}
#endif
} // end namespace itk
#endif
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