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| ==AbsImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions. |
| <source lang="cpp">
| | }} |
| #include "itkImage.h"
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| #include "itkImageFileWriter.h"
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| #include "itkRescaleIntensityImageFilter.h"
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| #include "itkAbsImageFilter.h"
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| | |
| #include "QuickView.h"
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| | |
| typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
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| typedef itk::Image<float, 2> FloatImageType;
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| | |
| static void CreateImage(FloatImageType::Pointer image);
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| | |
| int main(int, char *[])
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| {
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| FloatImageType::Pointer image = FloatImageType::New();
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| CreateImage(image);
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| | |
| // Take the absolute value of the image
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| typedef itk::AbsImageFilter <FloatImageType, FloatImageType>
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| AbsImageFilterType;
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| | |
| AbsImageFilterType::Pointer absFilter
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| = AbsImageFilterType::New ();
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| absFilter->SetInput(image);
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| QuickView viewer;
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| viewer.AddImage<FloatImageType>(image);
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| viewer.AddImage<FloatImageType>(absFilter->GetOutput());
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| viewer.Visualize();
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| | |
| return EXIT_SUCCESS;
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| }
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| | |
| void CreateImage(FloatImageType::Pointer image)
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| {
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| // Create an image with negative values
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| FloatImageType::RegionType region;
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| FloatImageType::IndexType start;
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| start[0] = 0;
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| start[1] = 0;
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| FloatImageType::SizeType size;
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| size[0] = 200;
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| size[1] = 300;
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| region.SetSize(size);
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| region.SetIndex(start);
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| image->SetRegions(region); | |
| image->Allocate();
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| | |
| itk::ImageRegionIterator<FloatImageType> imageIterator(image,region);
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| while(!imageIterator.IsAtEnd())
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| {
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| imageIterator.Set(imageIterator.GetIndex()[0] - imageIterator.GetIndex()[1]);
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| ++imageIterator;
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| }
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|
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| } | |
| </source>
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| | |
| ==CMakeLists.txt==
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| <source lang="cmake">
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| cmake_minimum_required(VERSION 2.6)
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| PROJECT(AbsImageFilter)
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| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
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| FIND_PACKAGE(VTK REQUIRED)
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| INCLUDE(${VTK_USE_FILE})
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| FIND_PACKAGE(ITK REQUIRED)
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| INCLUDE(${ITK_USE_FILE})
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| ADD_EXECUTABLE(AbsImageFilter AbsImageFilter.cxx)
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| TARGET_LINK_LIBRARIES(AbsImageFilter
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| vtkHybrid
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| ITKBasicFilters ITKCommon ITKIO)
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| | |
| </source>
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