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| This example currently freezes. The idea is to display an image along with a sphere at (0,0). Then display the translated image with the sphere still at (0,0). This should be enough to see the translation that occured.
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| | }} |
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| ==TranslateAnImage.cxx==
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| <source lang="cpp">
| |
| #include "itkImage.h"
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| #include "itkTranslationTransform.h"
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| #include "itkImageFileReader.h"
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| #include "itkNormalizeImageFilter.h"
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| #include "itkResampleImageFilter.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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| #include "vtkPolyDataMapper.h"
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| #include "vtkActor.h"
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| #include "vtkProperty.h"
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| #include "vtkSphereSource.h"
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| | |
| int main(int argc, char *argv[])
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| {
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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;
| |
| }
| |
| | |
| 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]);
| |
| | |
| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
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| ConnectorType::Pointer originalConnector = ConnectorType::New();
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| originalConnector->SetInput(reader->GetOutput());
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| vtkSmartPointer<vtkImageActor> originalActor =
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| vtkSmartPointer<vtkImageActor>::New();
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| originalActor->SetInput(originalConnector->GetOutput());
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| | |
| itk::TranslationTransform<double,2>::Pointer transform =
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| itk::TranslationTransform<double,2>::New();
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| itk::TranslationTransform<double,2>::OutputVectorType translation;
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| translation[0] = 10;
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| translation[0] = 20;
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| transform->Translate(translation);
| |
| | |
| vtkSmartPointer<vtkSphereSource> sphereSource =
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| vtkSmartPointer<vtkSphereSource>::New();
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| sphereSource->SetRadius(10);
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| sphereSource->SetCenter(0, 0, 0);
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| sphereSource->Update();
| |
| | |
| vtkSmartPointer<vtkPolyDataMapper> mapper =
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| vtkSmartPointer<vtkPolyDataMapper>::New();
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| mapper->SetInputConnection(sphereSource->GetOutputPort());
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| vtkSmartPointer<vtkActor> sphereActor =
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| vtkSmartPointer<vtkActor>::New();
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| sphereActor->SetMapper(mapper);
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| sphereActor->GetProperty()->SetColor(1,0,0);
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|
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| typedef itk::ResampleImageFilter< ImageType, ImageType > ResampleFilterType;
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| ResampleFilterType::Pointer resampleFilter = ResampleFilterType::New();
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| resampleFilter->SetInput(reader->GetOutput());
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| resampleFilter->SetTransform(transform);
| |
| | |
| ConnectorType::Pointer resampledConnector = ConnectorType::New();
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| resampledConnector->SetInput(resampleFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> resampledActor =
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| vtkSmartPointer<vtkImageActor>::New();
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| resampledActor->SetInput(resampledConnector->GetOutput());
| |
| | |
| // There will be one render window
| |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
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| vtkSmartPointer<vtkRenderWindow>::New();
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| renderWindow->SetSize(600, 300);
| |
| | |
| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
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| vtkSmartPointer<vtkRenderWindowInteractor>::New();
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| interactor->SetRenderWindow(renderWindow);
| |
| | |
| // Define viewport ranges
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| // (xmin, ymin, xmax, ymax)
| |
| double leftViewport[4] = {0.0, 0.0, 0.5, 1.0};
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| double rightViewport[4] = {0.5, 0.0, 1.0, 1.0};
| |
| | |
| // Setup both renderers
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| vtkSmartPointer<vtkRenderer> leftRenderer =
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| vtkSmartPointer<vtkRenderer>::New();
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| renderWindow->AddRenderer(leftRenderer);
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| leftRenderer->SetViewport(leftViewport);
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| leftRenderer->SetBackground(.6, .5, .4);
| |
| | |
| vtkSmartPointer<vtkRenderer> rightRenderer =
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| vtkSmartPointer<vtkRenderer>::New();
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| renderWindow->AddRenderer(rightRenderer);
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| rightRenderer->SetViewport(rightViewport);
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| rightRenderer->SetBackground(.4, .5, .6);
| |
| | |
| // Add the sphere to the left and the cube to the right
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| leftRenderer->AddActor(originalActor);
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| leftRenderer->AddActor(sphereActor);
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| | |
| rightRenderer->AddActor(resampledActor);
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| rightRenderer->AddActor(sphereActor);
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|
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| leftRenderer->ResetCamera();
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| rightRenderer->ResetCamera();
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| | |
| renderWindow->Render();
| |
| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
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| vtkSmartPointer<vtkInteractorStyleImage>::New();
| |
| | |
| interactor->SetInteractorStyle(style);
| |
| | |
| interactor->Start();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| | |
| ==CMakeLists.txt==
| |
| <source lang="cmake">
| |
| cmake_minimum_required(VERSION 2.6)
| |
| | |
| PROJECT(ResampleImageFilter)
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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(ResampleImageFilter ResampleImageFilter.cxx)
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| TARGET_LINK_LIBRARIES(ResampleImageFilter vtkHybrid
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| ITKIO ITKNumerics ITKBasicFilters ITKCommon
| |
| )
| |
| </source>
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