1 /*=========================================================================
3 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
4 l'Image). All rights reserved. See Doc/License.txt or
5 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
7 This software is distributed WITHOUT ANY WARRANTY; without even
8 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
9 PURPOSE. See the above copyright notices for more information.
11 =========================================================================*/
14 -------------------------------------------------------------------
15 * @file clitkSplitImageGenericFilter.cxx
16 * @author Joël Schaerer
20 -------------------------------------------------------------------*/
22 #include "clitkSplitImageGenericFilter.h"
24 #include "clitkSplitImageGenericFilter.txx"
25 //--------------------------------------------------------------------
26 clitk::SplitImageGenericFilter::SplitImageGenericFilter():
27 clitk::ImageToImageGenericFilter<Self>("SplitImage") {
29 InitializeImageType<3>();
30 InitializeImageType<4>();
32 //--------------------------------------------------------------------
35 //--------------------------------------------------------------------
36 template<unsigned int Dim>
37 void clitk::SplitImageGenericFilter::InitializeImageType() {
38 ADD_IMAGE_TYPE(Dim, char);
39 ADD_IMAGE_TYPE(Dim, short);
40 ADD_IMAGE_TYPE(Dim, int);
41 ADD_IMAGE_TYPE(Dim, float);
42 typedef itk::Vector<float, Dim> DVF;
43 ADD_IMAGE_TYPE(Dim, DVF);
45 //--------------------------------------------------------------------
47 //--------------------------------------------------------------------
48 template<class ImageType>
49 void clitk::SplitImageGenericFilter::UpdateWithInputImageType() {
52 typedef typename ImageType::PixelType PixelType;
53 typedef itk::Image<PixelType,ImageType::ImageDimension-1> OutputImageType;
54 typename ImageType::Pointer input = this->GetInput<ImageType>(0);
55 typedef itk::ExtractImageFilter<ImageType,OutputImageType> FilterType;
56 typename FilterType::Pointer filter= FilterType::New();
58 filter->SetInput(input);
59 typename ImageType::SizeType size=input->GetLargestPossibleRegion().GetSize();
60 size[mSplitDimension]=0;
61 typename ImageType::RegionType extracted_region;
62 extracted_region.SetSize(size);
63 filter->SetExtractionRegion(extracted_region);
66 typename ImageType::IndexType index=input->GetLargestPossibleRegion().GetIndex();
67 std::string base_filename=GetOutputFilename();
68 unsigned int number_of_output_images=input->GetLargestPossibleRegion().GetSize()[mSplitDimension];
69 for (unsigned int i=0;i<number_of_output_images;i++)
71 std::ostringstream ss;
73 index[mSplitDimension]=i;
74 extracted_region.SetIndex(index);
75 filter->SetExtractionRegion(extracted_region);
77 SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
78 typename OutputImageType::Pointer output=filter->GetOutput();
79 SetNextOutput<OutputImageType>(output);
82 //--------------------------------------------------------------------