Authors belong to:
- University of LYON http://www.universite-lyon.fr/
- - Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr
+ - Léon Bérard cancer center http://www.centreleonberard.fr
- CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
This software is distributed WITHOUT ANY WARRANTY; without even
- BSD See included LICENSE.txt file
- CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
- ======================================================================-====*/
+ ===========================================================================**/
// clitk
-#include "clitkCommon.h"
+#include "clitkDD.h"
// itk include
#include "itkImage.h"
m_GaussianSigma[i] = -1;
}
m_VerboseOptions = false;
+ SetDefaultPixelValue(0);
}
//--------------------------------------------------------------------
if (m_OutputIsoSpacing != -1) { // apply isoSpacing
for(unsigned int i=0; i<dim; i++) {
m_OutputSpacing[i] = m_OutputIsoSpacing;
- m_OutputSize[i] = (int)lrint(inputSize[i]*inputSpacing[i]/m_OutputSpacing[i]);
+ // floor() is used to intentionally reduce the number of slices
+ // because, from a clinical point of view, it's better to
+ // remove data than to add data that privously didn't exist.
+ if(inputSpacing[i]*m_OutputSpacing[i]<0)
+ itkExceptionMacro( << "Input and output spacings don't have the same signs, can't cope with that" );
+ m_OutputSize[i] = (int)floor(inputSize[i]*inputSpacing[i]/m_OutputSpacing[i]);
}
} else {
if (m_OutputSpacing[0] != -1) { // apply spacing, compute size
for(unsigned int i=0; i<dim; i++) {
- m_OutputSize[i] = (int)lrint(inputSize[i]*inputSpacing[i]/m_OutputSpacing[i]);
+ if(inputSpacing[i]*m_OutputSpacing[i]<0)
+ itkExceptionMacro( << "Input and output spacings don't have the same signs, can't cope with that" );
+ // see comment above for the use of floor()
+ m_OutputSize[i] = (int)floor(inputSize[i]*inputSpacing[i]/m_OutputSpacing[i]);
}
} else {
if (m_OutputSize[0] != 0) { // apply size, compute spacing
m_OutputSize[l] = inputSize[l];
m_OutputSpacing[l] = inputSpacing[l];
}
-
+
// Set Size/Spacing
OutputImagePointer outputImage = this->GetOutput(0);
// OutputImageRegionType region;
InputImagePointer input = dynamic_cast<InputImageType*>(itk::ProcessObject::GetInput(0));
static const unsigned int dim = InputImageType::ImageDimension;
- // Set regions and allocate
- //this->GetOutput()->SetRegions(m_OutputRegion);
- //this->GetOutput()->Allocate();
- // this->GetOutput()->FillBuffer(m_DefaultPixelValue);
-
// Create main Resample Image Filter
typedef itk::ResampleImageFilter<InputImageType,OutputImageType> FilterType;
typename FilterType::Pointer filter = FilterType::New();
filter->GraftOutput(this->GetOutput());
- // this->GetOutput()->Print(std::cout);
- // this->GetOutput()->SetBufferedRegion(this->GetOutput()->GetLargestPossibleRegion());
- // this->GetOutput()->Print(std::cout);
+ this->GetOutput()->SetBufferedRegion(this->GetOutput()->GetLargestPossibleRegion());
// Print options if needed
if (m_VerboseOptions) {
std::cout << "LastDimIsTime = " << m_LastDimensionIsTime << std::endl;
}
+ // Compute origin based on image corner
+ typename FilterType::OriginPointType origin = input->GetOrigin();
+ for(unsigned int i=0; i<OutputImageType::ImageDimension; i++) {
+ origin[i] -= 0.5 * input->GetSpacing()[i];
+ origin[i] += 0.5 * m_OutputSpacing[i];
+ }
+
// Instance of the transform object to be passed to the resample
// filter. By default, identity transform is applied
filter->SetTransform(m_Transform);
filter->SetSize(m_OutputSize);
filter->SetOutputSpacing(m_OutputSpacing);
- filter->SetOutputOrigin(input->GetOrigin());
+ filter->SetOutputOrigin(origin);
filter->SetDefaultPixelValue(m_DefaultPixelValue);
filter->SetNumberOfThreads(this->GetNumberOfThreads());
filter->SetOutputDirection(input->GetDirection()); // <-- NEEDED if we want to keep orientation (in case of PermutAxes for example)