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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkVoronoiDiagram2D.txx,v $
Language: C++
Date: $Date: 2003-09-10 14:28:40 $
Version: $Revision: 1.14 $
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 _itkVoronoiDiagram2D_txx
#define _itkVoronoiDiagram2D_txx
#include "itkVoronoiDiagram2D.h"
#include <algorithm>
#include "vnl/vnl_sample.h"
namespace itk{
template <typename TCoordRepType>
VoronoiDiagram2D<TCoordRepType>::
VoronoiDiagram2D()
{
m_NumberOfSeeds = 0;
}
template <typename TCoordRepType>
VoronoiDiagram2D<TCoordRepType>::
~VoronoiDiagram2D()
{
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Number Of Seeds: "
<< m_NumberOfSeeds << std::endl;
}
/* Set the seed points, specify the number of seeds as "num". */
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
SetSeeds(int num, SeedsIterator begin)
{
m_Seeds.clear();
SeedsIterator ii(begin);
for(int i = 0; i < num; ++i){
m_Seeds.push_back(*ii++);
}
m_NumberOfSeeds = num;
}
/* Set the rectangle that encloses the Voronoi Diagram. */
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
SetBoundary(PointType vorsize)
{
m_VoronoiBoundary[0] = vorsize[0];
m_VoronoiBoundary[1] = vorsize[1];
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
SetOrigin(PointType vorsize)
{
m_VoronoiBoundaryOrigin[0] = vorsize[0];
m_VoronoiBoundaryOrigin[0] = vorsize[1];
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
GetPoint(int pId, PointType *answer)
{
(*answer)[0] = f_VertexList[pId][0];
(*answer)[1] = f_VertexList[pId][1];
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
GetCellId(CellIdentifier cellId, CellAutoPointer & cellPtr )
{
cellPtr.TakeNoOwnership( m_VoronoiRegions[cellId] );
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::EdgeInfo
VoronoiDiagram2D<TCoordRepType>::
GetSeedsIDAroundEdge(VoronoiEdge *task)
{
EdgeInfo answer;
answer[0]=f_LineList[task->m_LineID][0];
answer[1]=f_LineList[task->m_LineID][1];
return (answer);
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::VoronoiEdgeIterator
VoronoiDiagram2D<TCoordRepType>::
EdgeBegin(void)
{
return f_EdgeList.begin();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::VoronoiEdgeIterator
VoronoiDiagram2D<TCoordRepType>::
EdgeEnd(void)
{
return f_EdgeList.end();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::NeighborIdIterator
VoronoiDiagram2D<TCoordRepType>::
NeighborIdsBegin(int seeds)
{
return m_CellNeighborsID[seeds].begin();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::NeighborIdIterator
VoronoiDiagram2D<TCoordRepType>::
NeighborIdsEnd(int seeds)
{
return m_CellNeighborsID[seeds].end();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::VertexIterator
VoronoiDiagram2D<TCoordRepType>::
VertexBegin(void)
{
return f_VertexList.begin();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::VertexIterator
VoronoiDiagram2D<TCoordRepType>::
VertexEnd(void)
{
return f_VertexList.end();
}
template <typename TCoordRepType>
typename VoronoiDiagram2D<TCoordRepType>::PointType
VoronoiDiagram2D<TCoordRepType>::
GetSeed(int SeedID)
{
PointType answer;
answer[0]=m_Seeds[SeedID][0];
answer[1]=m_Seeds[SeedID][1];
return answer;
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
Reset(void)
{
m_VoronoiRegions.clear();
m_VoronoiRegions.resize(m_NumberOfSeeds);
m_CellNeighborsID.resize(m_NumberOfSeeds);
for(unsigned int i = 0; i < m_NumberOfSeeds; i++)
{
m_VoronoiRegions[i] = new CellType;
m_CellNeighborsID[i].clear();
}
}
template <typename TCoordRepType>
void
VoronoiDiagram2D<TCoordRepType>::
InsertCells(void)
{
genericCellPointer cellPtr;
for(unsigned int i = 0; i < m_NumberOfSeeds; i++)
{
cellPtr.TakeOwnership( m_VoronoiRegions[i] );
this->SetCell(i, cellPtr );
}
}
}//end namespace
#endif
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