cosmetic for .ggo

[clitk.git] / tools / clitkSplitImageGenericFilter.cxx

diff --git a/tools/clitkSplitImageGenericFilter.cxx b/tools/clitkSplitImageGenericFilter.cxx
index 72f712c9be1614b6fca13ef35aa102f4119f9af9..58732ab27af434a5f5e2a4b9996bc173347953b4 100644 (file)
--- a/tools/clitkSplitImageGenericFilter.cxx
+++ b/tools/clitkSplitImageGenericFilter.cxx
@@ -25,6 +25,7 @@
  -------------------------------------------------------------------*/
 
 #include "clitkSplitImageGenericFilter.h"
+#include "itkChangeInformationImageFilter.h"
 #include <itkIntensityWindowingImageFilter.h>
 //--------------------------------------------------------------------
 clitk::SplitImageGenericFilter::SplitImageGenericFilter():
@@ -53,7 +54,7 @@ clitk::SplitImageGenericFilter::PngConversion<ImageType>::Do(double window,
                                                              ImagePointer input)
 {
   static const unsigned int PixelDimension = itk::PixelTraits<typename ImageType::PixelType>::Dimension;
-  return this->Do(window, level, input, static_cast< PixelDimType<PixelDimension> *>(NULL) );
+  return this->Do(window, level, input, static_cast< PixelDimType<PixelDimension> *>(ITK_NULLPTR) );
 }
 //--------------------------------------------------------------------
 
@@ -67,7 +68,7 @@ clitk::SplitImageGenericFilter::PngConversion<ImageType>::Do(double window,
                                                              PixelDimType<Dim> *)
 {
   clitkExceptionMacro("Png conversion is not implemented for vector fields");
-  return NULL;
+  return ITK_NULLPTR;
 }
 //--------------------------------------------------------------------
 
@@ -105,12 +106,12 @@ void clitk::SplitImageGenericFilter::UpdateWithInputImageType()
   size[mSplitDimension]=0;
   typename ImageType::RegionType extracted_region;
   extracted_region.SetSize(size);
-#if ITK_VERSION_MAJOR >= 4
   filter->SetDirectionCollapseToIdentity();
-#endif
   filter->SetExtractionRegion(extracted_region);
   filter->Update();
 
+  typedef itk::ChangeInformationImageFilter< OutputImageType > InformationFilterType;
+
   typename ImageType::IndexType index=input->GetLargestPossibleRegion().GetIndex();
   std::string base_filename=GetOutputFilename();
   unsigned int number_of_output_images=input->GetLargestPossibleRegion().GetSize()[mSplitDimension];
@@ -121,16 +122,44 @@ void clitk::SplitImageGenericFilter::UpdateWithInputImageType()
     extracted_region.SetIndex(index);
     filter->SetExtractionRegion(extracted_region);
     filter->Update();
-    if(this->m_Png){
-      PngConversion<OutputImageType> png;
-      SetOutputFilename(base_filename+"_"+ss.str()+".png");
-      typename PngConversion<OutputImageType>::OutputPngImagePointer output;
-      output = png.Do(this->m_Window, this->m_Level, filter->GetOutput());
-      this->template SetNextOutput<typename PngConversion<OutputImageType>::OutputPngImageType>(output);
+
+    if (ImageType::ImageDimension == 4 && mSplitDimension == 3) //Copy the transformation matrix if the original image is a 4D image splitted along the time dimension
+    {
+      typename InformationFilterType::Pointer informationFilter = InformationFilterType::New();
+      informationFilter->SetInput( filter->GetOutput() );
+      typename OutputImageType::DirectionType directionOutput;
+      for (unsigned j=0; j<3; ++j)
+        for (unsigned k=0; k<3; ++k)
+          directionOutput[j][k] = input->GetDirection()[j][k];
+      informationFilter->SetOutputDirection( directionOutput );
+      informationFilter->ChangeDirectionOn();
+      informationFilter->UpdateOutputInformation();
+
+      if(this->m_Png){
+        PngConversion<OutputImageType> png;
+        SetOutputFilename(base_filename+"_"+ss.str()+".png");
+        typename PngConversion<OutputImageType>::OutputPngImagePointer output;
+        output = png.Do(this->m_Window, this->m_Level, informationFilter->GetOutput());
+        this->template SetNextOutput<typename PngConversion<OutputImageType>::OutputPngImageType>(output);
+      }
+      else {
+        SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
+        SetNextOutput<OutputImageType>(informationFilter->GetOutput());
+      }
     }
-    else {
-      SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
-      SetNextOutput<OutputImageType>(filter->GetOutput());
+    else
+    {
+      if(this->m_Png){
+        PngConversion<OutputImageType> png;
+        SetOutputFilename(base_filename+"_"+ss.str()+".png");
+        typename PngConversion<OutputImageType>::OutputPngImagePointer output;
+        output = png.Do(this->m_Window, this->m_Level, filter->GetOutput());
+        this->template SetNextOutput<typename PngConversion<OutputImageType>::OutputPngImageType>(output);
+      }
+      else {
+        SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
+        SetNextOutput<OutputImageType>(filter->GetOutput());
+      }
     }
   }
 }