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| <div class="floatcenter">[[File:ITK_Examples_Baseline_ImageProcessing_TestPermuteAxesImageFilter.png]]</div>
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| ==PermuteAxesImageFilter.cxx==
| | }} |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkImageFileWriter.h"
| |
| #include "itkRescaleIntensityImageFilter.h"
| |
| #include "itkPermuteAxesImageFilter.h"
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|
| |
|
| #include "itkImageToVTKImageFilter.h"
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| | |
| #include "vtkVersion.h"
| |
| #include "vtkImageViewer.h"
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| #include "vtkImageMapper3D.h"
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| #include "vtkRenderWindowInteractor.h"
| |
| #include "vtkSmartPointer.h"
| |
| #include "vtkImageActor.h"
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| #include "vtkInteractorStyleImage.h"
| |
| #include "vtkRenderer.h"
| |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| | |
| static void CreateImage(ImageType::Pointer image);
| |
| | |
| int main(int, char *[])
| |
| {
| |
| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
| |
| | |
| typedef itk::PermuteAxesImageFilter <ImageType>
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| PermuteAxesImageFilterType;
| |
| | |
| itk::FixedArray<unsigned int, 2> order;
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| order[0] = 1;
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| order[1] = 0;
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|
| |
| PermuteAxesImageFilterType::Pointer permuteAxesFilter
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| = PermuteAxesImageFilterType::New();
| |
| permuteAxesFilter->SetInput(image);
| |
| permuteAxesFilter->SetOrder(order);
| |
| permuteAxesFilter->Update();
| |
| | |
| // Visualize first image
| |
| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
| |
| ConnectorType::Pointer originalConnector = ConnectorType::New();
| |
| originalConnector->SetInput(image);
| |
| | |
| vtkSmartPointer<vtkImageActor> originalActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| #if VTK_MAJOR_VERSION <= 5
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| originalActor->SetInput(originalConnector->GetOutput());
| |
| #else
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| originalConnector->Update();
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| originalActor->GetMapper()->SetInputData(originalConnector->GetOutput());
| |
| #endif
| |
| | |
| // Visualize permuted image
| |
| ConnectorType::Pointer permutedConnector = ConnectorType::New();
| |
| permutedConnector->SetInput(permuteAxesFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> permutedActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| #if VTK_MAJOR_VERSION <= 5
| |
| permutedActor->SetInput(permutedConnector->GetOutput());
| |
| #else
| |
| permutedConnector->Update();
| |
| permutedActor->GetMapper()->SetInputData(permutedConnector->GetOutput());
| |
| #endif
| |
| | |
| // There will be one render window
| |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
| |
| vtkSmartPointer<vtkRenderWindow>::New();
| |
| renderWindow->SetSize(600, 300);
| |
| | |
| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
| |
| vtkSmartPointer<vtkRenderWindowInteractor>::New();
| |
| interactor->SetRenderWindow(renderWindow);
| |
| | |
| // Define viewport ranges
| |
| // (xmin, ymin, xmax, ymax)
| |
| double leftViewport[4] = {0.0, 0.0, 0.5, 1.0};
| |
| double rightViewport[4] = {0.5, 0.0, 1.0, 1.0};
| |
| | |
| // Setup both renderers
| |
| vtkSmartPointer<vtkRenderer> leftRenderer =
| |
| vtkSmartPointer<vtkRenderer>::New();
| |
| renderWindow->AddRenderer(leftRenderer);
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| leftRenderer->SetViewport(leftViewport);
| |
| leftRenderer->SetBackground(.6, .5, .4);
| |
| | |
| vtkSmartPointer<vtkRenderer> rightRenderer =
| |
| vtkSmartPointer<vtkRenderer>::New();
| |
| renderWindow->AddRenderer(rightRenderer);
| |
| rightRenderer->SetViewport(rightViewport);
| |
| rightRenderer->SetBackground(.4, .5, .6);
| |
| | |
| // Add the sphere to the left and the cube to the right
| |
| leftRenderer->AddActor(originalActor);
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| rightRenderer->AddActor(permutedActor);
| |
| | |
| leftRenderer->ResetCamera();
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| rightRenderer->ResetCamera();
| |
| | |
| renderWindow->Render();
| |
| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
| |
| vtkSmartPointer<vtkInteractorStyleImage>::New();
| |
| interactor->SetInteractorStyle(style);
| |
| | |
| interactor->Start();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
| |
| {
| |
| // Create an image with 2 connected components
| |
| ImageType::RegionType region;
| |
| ImageType::IndexType start;
| |
| start[0] = 0;
| |
| start[1] = 0;
| |
| | |
| ImageType::SizeType size;
| |
| unsigned int NumRows = 200;
| |
| unsigned int NumCols = 300;
| |
| size[0] = NumRows;
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| size[1] = NumCols;
| |
| | |
| region.SetSize(size);
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| region.SetIndex(start);
| |
| | |
| image->SetRegions(region);
| |
| image->Allocate();
| |
| | |
| // Make a square
| |
| for(unsigned int r = 20; r < 80; r++)
| |
| {
| |
| for(unsigned int c = 20; c < 30; c++)
| |
| {
| |
| ImageType::IndexType pixelIndex;
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| pixelIndex[0] = r;
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| pixelIndex[1] = c;
| |
| | |
| image->SetPixel(pixelIndex, 200);
| |
| }
| |
| }
| |
| }
| |
| </source>
| |
| | |
| {{ITKCMakeLists|{{SUBPAGENAME}}}}
| |
