tools/clitkSplitImageGenericFilter.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://oncora1.lyon.fnclcc.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17 ======================================================================-====*/
  18 /**
  19  -------------------------------------------------------------------
  20  * @file   clitkSplitImageGenericFilter.cxx
  21  * @author Joël Schaerer
  22  * @date   20 April 2009
  23
  24  * @brief
  25  -------------------------------------------------------------------*/
  26
  27 #include "clitkSplitImageGenericFilter.h"
  28 #include "clitkSplitImageGenericFilter.txx"
  29 #include <itkIntensityWindowingImageFilter.h>
  30 //--------------------------------------------------------------------
  31 clitk::SplitImageGenericFilter::SplitImageGenericFilter():
  32   clitk::ImageToImageGenericFilter<Self>("SplitImage")
  33 {
  34   mSplitDimension = 0;
  35   InitializeImageType<3>();
  36   InitializeImageType<4>();
  37 }
  38 //--------------------------------------------------------------------
  39
  40
  41 //--------------------------------------------------------------------
  42 template<unsigned int Dim>
  43 void clitk::SplitImageGenericFilter::InitializeImageType()
  44 {
  45   ADD_DEFAULT_IMAGE_TYPES(Dim);
  46   //ADD_VEC_IMAGE_TYPE(Dim, 3,float);
  47 }
  48 //--------------------------------------------------------------------
  49
  50 //--------------------------------------------------------------------
  51 template<class ImageType>
  52 void clitk::SplitImageGenericFilter::UpdateWithInputImageType()
  53 {
  54
  55   // Read input
  56   typedef typename ImageType::PixelType PixelType;
  57   typedef itk::Image<PixelType,ImageType::ImageDimension-1> OutputImageType;
  58   typename ImageType::Pointer input = this->GetInput<ImageType>(0);
  59   typedef itk::ExtractImageFilter<ImageType,OutputImageType> FilterType;
  60   typename FilterType::Pointer filter= FilterType::New();
  61
  62   filter->SetInput(input);
  63   typename ImageType::SizeType size=input->GetLargestPossibleRegion().GetSize();
  64   size[mSplitDimension]=0;
  65   typename ImageType::RegionType extracted_region;
  66   extracted_region.SetSize(size);
  67   filter->SetExtractionRegion(extracted_region);
  68   filter->Update();
  69
  70   typename ImageType::IndexType index=input->GetLargestPossibleRegion().GetIndex();
  71   std::string base_filename=GetOutputFilename();
  72   unsigned int number_of_output_images=input->GetLargestPossibleRegion().GetSize()[mSplitDimension];
  73   for (unsigned int i=0; i<number_of_output_images; i++) {
  74     std::ostringstream ss;
  75     ss << std::setfill('0') << std::setw((int)(log10(double(number_of_output_images))+1)) << i;
  76     index[mSplitDimension]=i;
  77     extracted_region.SetIndex(index);
  78     filter->SetExtractionRegion(extracted_region);
  79     filter->Update();
  80     if(this->m_Png){
  81       typedef itk::Image< unsigned char, ImageType::ImageDimension-1 > OutputPngImageType;
  82       typedef itk::IntensityWindowingImageFilter< OutputImageType, OutputPngImageType > CastFilterType;
  83       typename CastFilterType::Pointer cast = CastFilterType::New();
  84       cast->SetWindowLevel(this->m_Window, this->m_Level);
  85       cast->SetInput(filter->GetOutput());
  86       SetOutputFilename(base_filename+"_"+ss.str()+".png");
  87       SetNextOutput<OutputPngImageType>(cast->GetOutput());
  88     }
  89     else {
  90       SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
  91       SetNextOutput<OutputImageType>(filter->GetOutput());
  92     }
  93   }
  94 }
  95 //--------------------------------------------------------------------