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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCoreAtomImageToDistanceMatrixProcess.txx,v $
Language: C++
Date: $Date: 2006-03-19 04:36:58 $
Version: $Revision: 1.6 $
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 __itkCoreAtomImageToDistanceMatrixProcess_txx
#define __itkCoreAtomImageToDistanceMatrixProcess_txx
#include "itkCoreAtomImageToDistanceMatrixProcess.h"
namespace itk
{
/**
* Default Constructor. Initializes outputs for the process object.
*/
template< typename TSourceImage >
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::CoreAtomImageToDistanceMatrixProcess()
{
itkDebugMacro(<< "itkCoreAtomImageToDistanceMatrixProcess::itkCoreAtomImageToDistanceMatrixProcess() called");
// Setting the output.
DistanceMatrixPointer output;
output = static_cast<typename CoreAtomImageToDistanceMatrixProcess::DistanceMatrixType*>(this->MakeOutput(0).GetPointer());
this->ProcessObject::SetNumberOfRequiredOutputs(1);
this->ProcessObject::SetNthOutput(0, output.GetPointer());
}
/**
* Returns a pointer to the output cast as a Data Object.
*/
template< typename TSourceImage >
typename CoreAtomImageToDistanceMatrixProcess< TSourceImage >::DataObjectPointer
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::MakeOutput(unsigned int)
{
return static_cast<DataObject*>(DistanceMatrixType::New().GetPointer());
}
/**
* Standard GetOutput
*/
template< typename TSourceImage >
typename CoreAtomImageToDistanceMatrixProcess< TSourceImage >::DistanceMatrixType*
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::GetOutput()
{
if (this->GetNumberOfOutputs() < 1)
{
return 0;
}
return static_cast< DistanceMatrixType * >
(this->ProcessObject::GetOutput(0));
}
/**
* Sets the core atom image input.
*/
template< typename TSourceImage >
void
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::SetInput1(const TSourceImage * image1 )
{
itkDebugMacro(<< "itkCoreAtomImageToDistanceMatrixProcess: Setting core atom image");
// Process object is not const-correct so the const casting is required.
SetNthInput(0, const_cast<TSourceImage *>( image1 ) );
}
/**
* Get the core atom image
*/
template< typename TSourceImage >
TSourceImage *
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::GetInput1()
{
// Process object is not const-correct so the const casting is required.
return const_cast<TSourceImage *>(this->GetNthInput(0));
}
/**
*
*/
template< typename TSourceImage >
void
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::GenerateData()
{
itkDebugMacro(<< "itkCoreAtomImageToDistanceMatrixProcess::GenerateData() called");
// Pointers to the core atom images, output matrix object.
m_CoreAtomImage = dynamic_cast<CoreAtomImageType*>(ProcessObject::GetInput(0));
m_DistanceMatrix = dynamic_cast<DistanceMatrixType*>(ProcessObject::GetOutput(0));
// Get the number of medial nodes in the core atom image.
m_NumberOfNodes = m_CoreAtomImage->GetMedialNodeCount();
// Resize the distance matrix
if(m_DistanceMatrix->set_size(m_NumberOfNodes,m_NumberOfNodes))
{
itkDebugMacro(<< "m_DistanceMatrix resized successfully");
}
else
{
itkDebugMacro(<< "m_DistanceMatrix resize failed");
assert(0);
}
itkDebugMacro(<< "CoreAtomImageToDistanceMatrixProcess::GenerateData(): Matrix Size: " << m_NumberOfNodes << " x " << m_NumberOfNodes);
// Create iterator that will walk the blox core atom image.
typedef itk::ImageRegionIterator<CoreAtomImageType> BloxIterator;
BloxIterator bloxIt = BloxIterator(m_CoreAtomImage,
m_CoreAtomImage->GetRequestedRegion() );
BloxIterator bloxIt2 = BloxIterator(m_CoreAtomImage,
m_CoreAtomImage->GetRequestedRegion() );
// Pointer for accessing pixel.
MedialNodeType* pPixel1;
MedialNodeType* pPixel2;
// Local variables.
PositionType DistanceVector;
PositionType Location1;
PositionType Location2;
double distance;
int counter1 = 0;
int counter2 = 0;
// Iterate through nodes in the core atom image.
for ( bloxIt.GoToBegin(); !bloxIt.IsAtEnd(); ++bloxIt)
{
pPixel1 = &bloxIt.Value();
if( pPixel1->empty() )
continue;
for ( bloxIt2.GoToBegin(); !bloxIt2.IsAtEnd(); ++bloxIt2)
{
pPixel2 = &bloxIt2.Value();
if( pPixel2->empty() )
continue;
// Get distance between pPixel1 and pPixel2.
Location1 = pPixel1->GetVotedLocation();
Location2 = pPixel2->GetVotedLocation();
DistanceVector[0] = Location1[0] - Location2[0];
DistanceVector[1] = Location1[1] - Location2[1];
DistanceVector[2] = Location1[2] - Location2[2];
distance = vcl_sqrt(vcl_pow((double)DistanceVector[0],2.0) + vcl_pow((double)DistanceVector[1],2.0) + vcl_pow((double)DistanceVector[2],2.0) );
m_DistanceMatrix->put(counter1,counter2,distance);
counter2++;
}
counter2 = 0;
counter1++;
}
itkDebugMacro(<< "Finished CoreAtomImageToDistanceMatrixProcess\n");
}
/**
* Print Self
*/
template< typename TSourceImage >
void
CoreAtomImageToDistanceMatrixProcess< TSourceImage >
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
}
} // end namespace
#endif
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