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, unsigned char);
40 ADD_IMAGE_TYPE(Dim, short);
41 ADD_IMAGE_TYPE(Dim, int);
42 ADD_IMAGE_TYPE(Dim, float);
43 typedef itk::Vector<float, Dim> DVF;
44 ADD_IMAGE_TYPE(Dim, DVF);
46 //--------------------------------------------------------------------
48 //--------------------------------------------------------------------
49 template<class ImageType>
50 void clitk::SplitImageGenericFilter::UpdateWithInputImageType() {
53 typedef typename ImageType::PixelType PixelType;
54 typedef itk::Image<PixelType,ImageType::ImageDimension-1> OutputImageType;
55 typename ImageType::Pointer input = this->GetInput<ImageType>(0);
56 typedef itk::ExtractImageFilter<ImageType,OutputImageType> FilterType;
57 typename FilterType::Pointer filter= FilterType::New();
59 filter->SetInput(input);
60 typename ImageType::SizeType size=input->GetLargestPossibleRegion().GetSize();
61 size[mSplitDimension]=0;
62 typename ImageType::RegionType extracted_region;
63 extracted_region.SetSize(size);
64 filter->SetExtractionRegion(extracted_region);
67 typename ImageType::IndexType index=input->GetLargestPossibleRegion().GetIndex();
68 std::string base_filename=GetOutputFilename();
69 unsigned int number_of_output_images=input->GetLargestPossibleRegion().GetSize()[mSplitDimension];
70 for (unsigned int i=0;i<number_of_output_images;i++)
72 std::ostringstream ss;
74 index[mSplitDimension]=i;
75 extracted_region.SetIndex(index);
76 filter->SetExtractionRegion(extracted_region);
78 SetOutputFilename(base_filename+"_"+ss.str()+".mhd");
79 typename OutputImageType::Pointer output=filter->GetOutput();
80 SetNextOutput<OutputImageType>(output);
83 //--------------------------------------------------------------------