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| ==ConstNeighborhoodIterator.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| | {{warning|1=The media wiki content on this page is no longer maintained.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 "itkImageFileReader.h"
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| #include "itkConstNeighborhoodIterator.h"
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| | |
| #include <itkImageToVTKImageFilter.h>
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| | |
| #include "vtkImageViewer.h"
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| #include "vtkRenderWindowInteractor.h"
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| #include "vtkSmartPointer.h"
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| #include "vtkImageActor.h"
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| #include "vtkInteractorStyleImage.h"
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| #include "vtkRenderer.h"
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| | |
| int main(int argc, char*argv[])
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| { | |
| if(argc < 2)
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| {
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| std::cerr << "Required: filename" << std::endl;
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| return EXIT_FAILURE;
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| }
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| | |
| typedef itk::Image<unsigned char, 2> ImageType;
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| | |
| typedef itk::ImageFileReader<ImageType> ReaderType;
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName(argv[1]);
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| reader->Update();
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| | |
| ImageType::Pointer image = reader->GetOutput();
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|
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| ImageType::SizeType regionSize;
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| regionSize[0] = 50;
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| regionSize[1] = 1;
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| | |
| ImageType::IndexType regionIndex;
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| regionIndex[0] = 0;
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| regionIndex[1] = 0;
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| ImageType::RegionType region;
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| region.SetSize(regionSize);
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| region.SetIndex(regionIndex);
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| | |
| ImageType::SizeType radius;
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| radius[0] = 1;
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| radius[1] = 1;
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| | |
| itk::ConstNeighborhoodIterator<ImageType> iterator(radius, image,region);
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| | |
|
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| while(!iterator.IsAtEnd())
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| {
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| for(unsigned int i = 0; i < 9; i++)
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| {
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| ImageType::IndexType index = iterator.GetIndex(i);
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| std::cout << index[0] << " " << index[1] << std::endl;
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| | |
| bool IsInBounds;
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| iterator.GetPixel(i, IsInBounds);
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| | |
| }
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| ++iterator;
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| }
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| | |
| // Visualize
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| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
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| ConnectorType::Pointer connector = ConnectorType::New();
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| connector->SetInput(image);
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| | |
| vtkSmartPointer<vtkImageActor> actor =
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| vtkSmartPointer<vtkImageActor>::New();
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| actor->SetInput(connector->GetOutput());
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| | |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
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| vtkSmartPointer<vtkRenderWindow>::New();
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| | |
| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
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| vtkSmartPointer<vtkRenderWindowInteractor>::New();
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| interactor->SetRenderWindow(renderWindow);
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| | |
| vtkSmartPointer<vtkRenderer> renderer =
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| vtkSmartPointer<vtkRenderer>::New();
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| renderWindow->AddRenderer(renderer);
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| | |
| renderer->AddActor(actor);
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| renderer->ResetCamera();
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| | |
| renderWindow->Render();
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| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
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| vtkSmartPointer<vtkInteractorStyleImage>::New();
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| | |
| interactor->SetInteractorStyle(style);
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| | |
| interactor->Start();
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| | |
| return EXIT_SUCCESS;
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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(ConstNeighborhoodIterator)
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| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
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|
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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(ConstNeighborhoodIterator ConstNeighborhoodIterator.cxx)
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| TARGET_LINK_LIBRARIES(ConstNeighborhoodIterator vtkHybrid
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| ITKNumerics ITKBasicFilters ITKCommon ITKIO)
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| | |
| </source>
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