X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=itk%2FclitkResampleImageWithOptionsFilter.txx;h=beb85cc28adc45b01e48382c111281ef1ed0fe8c;hb=f34fdef46fa656a1eb32271c0b9bf7d81bc7fc35;hp=993b7ec85abc8199c6d2822133a6c4fe96fc1202;hpb=25f2ec51914dc5a55443c223bc52ca8c234fe100;p=clitk.git

diff --git a/itk/clitkResampleImageWithOptionsFilter.txx b/itk/clitkResampleImageWithOptionsFilter.txx
index 993b7ec..beb85cc 100644
--- a/itk/clitkResampleImageWithOptionsFilter.txx
+++ b/itk/clitkResampleImageWithOptionsFilter.txx
@@ -28,15 +28,16 @@
 #include "itkResampleImageFilter.h"
 #include "itkAffineTransform.h"
 #include "itkNearestNeighborInterpolateImageFunction.h"
+#include "itkWindowedSincInterpolateImageFunction.h"
 #include "itkLinearInterpolateImageFunction.h"
 #include "itkBSplineInterpolateImageFunction.h"
 #include "itkBSplineInterpolateImageFunctionWithLUT.h"
 #include "itkCommand.h"
 
 //--------------------------------------------------------------------
-template <class TInputImage, class TOutputImage>
-clitk::ResampleImageWithOptionsFilter<TInputImage, TOutputImage>::
-ResampleImageWithOptionsFilter():itk::ImageToImageFilter<TInputImage, TOutputImage>() 
+template <class InputImageType, class OutputImageType>
+clitk::ResampleImageWithOptionsFilter<InputImageType, OutputImageType>::
+ResampleImageWithOptionsFilter():itk::ImageToImageFilter<InputImageType, OutputImageType>() 
 {
   static const unsigned int dim = InputImageType::ImageDimension;
   this->SetNumberOfRequiredInputs(1);
@@ -59,9 +60,9 @@ ResampleImageWithOptionsFilter():itk::ImageToImageFilter<TInputImage, TOutputIma
 
 
 //--------------------------------------------------------------------
-template <class TInputImage, class TOutputImage>
+template <class InputImageType, class OutputImageType>
 void
-clitk::ResampleImageWithOptionsFilter<TInputImage, TOutputImage>::
+clitk::ResampleImageWithOptionsFilter<InputImageType, OutputImageType>::
 SetInput(const InputImageType * image) 
 {
   // Process object is not const-correct so the const casting is required.
@@ -71,9 +72,9 @@ SetInput(const InputImageType * image)
 
 
 //--------------------------------------------------------------------
-template <class TInputImage, class TOutputImage>
+template <class InputImageType, class OutputImageType>
 void
-clitk::ResampleImageWithOptionsFilter<TInputImage, TOutputImage>::
+clitk::ResampleImageWithOptionsFilter<InputImageType, OutputImageType>::
 GenerateInputRequestedRegion() 
 {
   // call the superclass's implementation of this method
@@ -81,7 +82,7 @@ GenerateInputRequestedRegion()
 
   // get pointers to the input and output
   InputImagePointer  inputPtr  =
-    const_cast< TInputImage *>( this->GetInput() );
+    const_cast< InputImageType *>( this->GetInput() );
 
   // Request the entire input image
   InputImageRegionType inputRegion;
@@ -92,9 +93,9 @@ GenerateInputRequestedRegion()
 
 
 //--------------------------------------------------------------------
-template <class TInputImage, class TOutputImage>
+template <class InputImageType, class OutputImageType>
 void
-clitk::ResampleImageWithOptionsFilter<TInputImage, TOutputImage>::
+clitk::ResampleImageWithOptionsFilter<InputImageType, OutputImageType>::
 GenerateOutputInformation() 
 {
   static const unsigned int dim = InputImageType::ImageDimension;
@@ -177,9 +178,9 @@ GenerateOutputInformation()
 
 
 //--------------------------------------------------------------------
-template <class TInputImage, class TOutputImage>
+template <class InputImageType, class OutputImageType>
 void 
-clitk::ResampleImageWithOptionsFilter<TInputImage, TOutputImage>::
+clitk::ResampleImageWithOptionsFilter<InputImageType, OutputImageType>::
 GenerateData() 
 {
    
@@ -188,8 +189,8 @@ GenerateData()
   static const unsigned int dim = InputImageType::ImageDimension;
 
   // Set regions and allocate
-  this->GetOutput()->SetRegions(m_OutputRegion);
-  this->GetOutput()->Allocate();
+  //this->GetOutput()->SetRegions(m_OutputRegion);
+  //this->GetOutput()->Allocate();
   // this->GetOutput()->FillBuffer(m_DefaultPixelValue);
 
   // Create main Resample Image Filter
@@ -213,6 +214,7 @@ GenerateData()
     case Linear: std::cout << "Linear" << std::endl; break;
     case BSpline: std::cout << "BSpline " << m_BSplineOrder << std::endl; break;
     case B_LUT: std::cout << "B-LUT " << m_BSplineOrder << " " << m_BLUTSamplingFactor << std::endl; break;
+    case WSINC: std::cout << "Windowed Sinc" << std::endl; break;
     }
     std::cout << "Threads        = " << this->GetNumberOfThreads() << std::endl;
     std::cout << "LastDimIsTime  = " << m_LastDimensionIsTime << std::endl;
@@ -257,6 +259,12 @@ GenerateData()
     filter->SetInterpolator(interpolator);
     break;
   }
+  case WSINC: {
+    typedef itk::WindowedSincInterpolateImageFunction<InputImageType, 4> InterpolatorType;
+    typename InterpolatorType::Pointer interpolator =  InterpolatorType::New();
+    filter->SetInterpolator(interpolator);
+    break;
+  }
   }
 
   // Initial Gaussian blurring if needed
@@ -288,7 +296,37 @@ GenerateData()
 
   // Set output
   // DD("before Graft");
-  this->GraftOutput(filter->GetOutput());
+
+  //this->GraftOutput(filter->GetOutput());
+  this->SetNthOutput(0, filter->GetOutput());
+
   // DD("after Graft");
 }
 //--------------------------------------------------------------------
+
+
+//--------------------------------------------------------------------
+template<class InputImageType>
+typename InputImageType::Pointer 
+clitk::ResampleImageSpacing(typename InputImageType::Pointer input, 
+                            typename InputImageType::SpacingType spacing, 
+                            int interpolationType)
+{
+  typedef clitk::ResampleImageWithOptionsFilter<InputImageType> ResampleFilterType;
+  typename ResampleFilterType::Pointer resampler = ResampleFilterType::New();
+  resampler->SetInput(input);
+  resampler->SetOutputSpacing(spacing);
+  typename ResampleFilterType::InterpolationTypeEnumeration inter=ResampleFilterType::NearestNeighbor;
+  switch(interpolationType) {
+  case 0: inter = ResampleFilterType::NearestNeighbor; break;
+  case 1: inter = ResampleFilterType::Linear; break;
+  case 2: inter = ResampleFilterType::BSpline; break;
+  case 3: inter = ResampleFilterType::B_LUT; break;
+  case 4: inter = ResampleFilterType::WSINC; break;
+  }
+  resampler->SetInterpolationType(inter);
+  resampler->SetGaussianFilteringEnabled(true);
+  resampler->Update();
+  return resampler->GetOutput();
+}
+//--------------------------------------------------------------------