|
|
| (4 intermediate revisions by one other user not shown) |
| Line 1: |
Line 1: |
| <div class="floatcenter">[[File:ITK_Examples_Baseline_ImageProcessing_TestRescaleIntensityImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| ==RescaleIntensityImageFilter.cxx==
| | }} |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkRescaleIntensityImageFilter.h"
| |
| #include "itkCastImageFilter.h"
| |
|
| |
|
| #include <cstdlib>
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| #include <iostream>
| |
| | |
| #include "itkImageToVTKImageFilter.h"
| |
| | |
| #include "vtkImageViewer.h"
| |
| #include "vtkRenderWindowInteractor.h"
| |
| #include "vtkSmartPointer.h"
| |
| #include "vtkImageActor.h"
| |
| #include "vtkInteractorStyleImage.h"
| |
| #include "vtkRenderer.h"
| |
| #include "vtkCamera.h"
| |
| | |
| int main(int argc, char *argv[])
| |
| {
| |
| if(argc < 2)
| |
| {
| |
| std::cerr << "Usage: " << argv[0] << " filename" << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
|
| |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| | |
| typedef itk::ImageFileReader<ImageType> ReaderType;
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName(argv[1]);
| |
| | |
| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
| |
| ConnectorType::Pointer originalConnector = ConnectorType::New();
| |
| originalConnector->SetInput(reader->GetOutput());
| |
| vtkSmartPointer<vtkImageActor> originalActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| originalActor->SetInput(originalConnector->GetOutput());
| |
|
| |
| typedef itk::RescaleIntensityImageFilter< ImageType, ImageType > RescaleFilterType;
| |
| RescaleFilterType::Pointer rescaleFilter = RescaleFilterType::New();
| |
| rescaleFilter->SetInput(reader->GetOutput());
| |
| rescaleFilter->SetOutputMinimum(0);
| |
| rescaleFilter->SetOutputMaximum(255);
| |
| | |
| ConnectorType::Pointer rescaledConnector = ConnectorType::New();
| |
| rescaledConnector->SetInput(rescaleFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> rescaledActor =
| |
| vtkSmartPointer<vtkImageActor>::New();
| |
| rescaledActor->SetInput(rescaledConnector->GetOutput());
| |
| | |
| // There will be one render window
| |
| vtkSmartPointer<vtkRenderWindow> renderWindow =
| |
| vtkSmartPointer<vtkRenderWindow>::New();
| |
| renderWindow->SetSize(900, 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);
| |
| 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(rescaledActor);
| |
| | |
| vtkSmartPointer<vtkCamera> camera =
| |
| vtkSmartPointer<vtkCamera>::New();
| |
| leftRenderer->SetActiveCamera(camera);
| |
| rightRenderer->SetActiveCamera(camera);
| |
| | |
| leftRenderer->ResetCamera();
| |
| | |
| renderWindow->Render();
| |
| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
| |
| vtkSmartPointer<vtkInteractorStyleImage>::New();
| |
| | |
| interactor->SetInteractorStyle(style);
| |
| | |
| interactor->Start();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| | |
| ==CMakeLists.txt==
| |
| <source lang="cmake">
| |
| cmake_minimum_required(VERSION 2.6)
| |
| | |
| PROJECT(RescaleIntensityImageFilter)
| |
| | |
| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
| |
| | |
| FIND_PACKAGE(VTK REQUIRED)
| |
| INCLUDE(${VTK_USE_FILE})
| |
| | |
| FIND_PACKAGE(ITK REQUIRED)
| |
| INCLUDE(${ITK_USE_FILE})
| |
| | |
| ADD_EXECUTABLE(RescaleIntensityImageFilter RescaleIntensityImageFilter.cpp)
| |
| TARGET_LINK_LIBRARIES(RescaleIntensityImageFilter
| |
| vtkHybrid
| |
| ITKIO ITKBasicFilters ITKCommon
| |
| )
| |
| | |
| | |
| </source>
| |
