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| ==NormalizeImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkNormalizeImageFilter.h"
| |
| #include "itkRescaleIntensityImageFilter.h"
| |
| | |
| #include <itkImageToVTKImageFilter.h>
| |
| | |
| #include "vtkImageViewer.h"
| |
| #include "vtkRenderWindowInteractor.h"
| |
| #include "vtkSmartPointer.h"
| |
| #include "vtkImageActor.h"
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| #include "vtkInteractorStyleImage.h"
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| #include "vtkRenderer.h"
| |
| | |
| int main(int argc, char *argv[])
| |
| { | |
| if(argc < 2)
| |
| {
| |
| std::cerr << "Required: filename" << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
| | |
| typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
| |
| typedef itk::Image<float, 2> FloatImageType;
| |
| | |
| typedef itk::ImageFileReader<UnsignedCharImageType> ReaderType;
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| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName(argv[1]);
| |
| | |
| typedef itk::ImageToVTKImageFilter<UnsignedCharImageType> ConnectorType;
| |
| ConnectorType::Pointer originalConnector = ConnectorType::New();
| |
| originalConnector->SetInput(reader->GetOutput());
| |
| vtkSmartPointer<vtkImageActor> originalActor =
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| vtkSmartPointer<vtkImageActor>::New();
| |
| originalActor->SetInput(originalConnector->GetOutput());
| |
| | |
| typedef itk::NormalizeImageFilter< UnsignedCharImageType, FloatImageType > NormalizeFilterType;
| |
| NormalizeFilterType::Pointer normalizeFilter = NormalizeFilterType::New();
| |
| normalizeFilter->SetInput(reader->GetOutput());
| |
| | |
| typedef itk::RescaleIntensityImageFilter< FloatImageType, UnsignedCharImageType > RescaleFilterType;
| |
| RescaleFilterType::Pointer rescaleFilter = RescaleFilterType::New();
| |
| rescaleFilter->SetInput(normalizeFilter->GetOutput());
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| rescaleFilter->SetOutputMinimum(0);
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| rescaleFilter->SetOutputMaximum(255);
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|
| |
| ConnectorType::Pointer normalizedConnector = ConnectorType::New();
| |
| normalizedConnector->SetInput(rescaleFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> normalizedActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| normalizedActor->SetInput(normalizedConnector->GetOutput());
| |
| | |
| // There will be one render window
| |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
| |
| vtkSmartPointer<vtkRenderWindow>::New();
| |
| renderWindow->SetSize(900, 300);
| |
| | |
| vtkSmartPointer<vtkRenderWindowInteractor> interactor =
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| 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 =
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| vtkSmartPointer<vtkRenderer>::New();
| |
| renderWindow->AddRenderer(leftRenderer); | |
| 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);
| |
| rightRenderer->AddActor(normalizedActor);
| |
| | |
| 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(NormalizeImageFilter)
| |
| | |
| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
| |
| | |
| 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})
| |
| | |
| ADD_EXECUTABLE(NormalizeImageFilter NormalizeImageFilter.cxx)
| |
| TARGET_LINK_LIBRARIES(NormalizeImageFilter
| |
| vtkHybrid
| |
| ITKIO ITKBasicFilters ITKCommon
| |
| )
| |
| | |
| | |
| </source>
| |
