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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
Copyright (c) CS Systemes d'information. All rights reserved.
See CSCopyright.txt 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 otbPointSetToDensityImageFilter_txx
#define otbPointSetToDensityImageFilter_txx
#include "otbPointSetToDensityImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkProgressReporter.h"
namespace otb
{
/**---------------------------------------------------------
* Constructor
----------------------------------------------------------*/
template <class TInputPointSet, class TOutputImage, class TDensityFunction>
PointSetToDensityImageFilter<TInputPointSet, TOutputImage, TDensityFunction>
::PointSetToDensityImageFilter()
{
m_Radius = 1;
}
/*-------------------------------------------------------
* GenerateData
--------------------------------------------------------*/
template <class TInputPointSet, class TOutputImage, class TDensityFunction>
void
PointSetToDensityImageFilter<TInputPointSet, TOutputImage, TDensityFunction>
::GenerateData(void)
{
//Call the GenerateData() from itk::ImageSource which allow threading
Superclass::Superclass::GenerateData();
}
/*-------------------------------------------------------
* ThreadedGenerateData
--------------------------------------------------------*/
template <class TInputPointSet, class TOutputImage, class TDensityFunction>
void
PointSetToDensityImageFilter<TInputPointSet, TOutputImage, TDensityFunction>
::ThreadedGenerateData(
const OutputImageRegionType& outputRegionForThread,
itk::ThreadIdType threadId)
{
// sleep(threadId);
// std::cerr << threadId << " -> " << outputRegionForThread.GetIndex() << std::endl;
// support progress methods/callbacks
itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
typename OutputImageType::Pointer outPtr = this->GetOutput();
PointSetDensityFunctionPointerType densityComputeFunction = PointSetDensityFunctionType::New();
densityComputeFunction->SetPointSet(this->GetInput());
densityComputeFunction->SetRadius(m_Radius);
/** Point*/
InputType pCenter;
IndexType index;
itk::ImageRegionIterator<OutputImageType> itOut(outPtr,
outputRegionForThread);
itOut.GoToBegin();
while (!itOut.IsAtEnd())
{
index = itOut.GetIndex();
outPtr->TransformIndexToPhysicalPoint(index, pCenter);
itOut.Set(densityComputeFunction->Evaluate(pCenter));
++itOut;
progress.CompletedPixel();
}
}
/*----------------------------------------------------------------
GenerateOutputInformation
-----------------------------------------------------------------*/
template <class TInputPointSet, class TOutputImage, class TDensityFunction>
void
PointSetToDensityImageFilter<TInputPointSet, TOutputImage, TDensityFunction>
::GenerateOutputInformation(void)
{
//Superclass::GenerateOutputInformation();
typename Superclass::OutputImagePointer outputPtr = this->GetOutput();
if (!outputPtr)
{
return;
}
typename OutputImageType::RegionType region;
IndexType start;
start.Fill(0);
region.SetSize(this->GetSize());
region.SetIndex(start);
outputPtr->SetOrigin(this->GetOrigin());
outputPtr->SetSpacing(this->GetSpacing());
outputPtr->SetRegions(region);
}
/*----------------------------------------------------------------
PrintSelf
-----------------------------------------------------------------*/
template <class TInputPointSet, class TOutputImage, class TDensityFunction>
void
PointSetToDensityImageFilter<TInputPointSet, TOutputImage, TDensityFunction>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
}
#endif
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