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| ==InPlace.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| | {{warning|1=The media wiki content on this page is no longer maintained.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">
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| #include "itkImage.h"
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| #include "itkImageFileReader.h"
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| #include "itkBinaryThresholdImageFilter.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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| | |
| typedef itk::Image< unsigned char, 2 > ImageType;
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| static void ApplyThresholding(ImageType::Pointer image);
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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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|
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| std::string inputFilename = argv[1];
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| typedef itk::ImageFileReader<ImageType> ReaderType;
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName(inputFilename.c_str());
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| reader->Update();
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| ImageType::Pointer image = reader->GetOutput();
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| ApplyThresholding(image);
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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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| // There will be one render window
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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 = | |
| vtkSmartPointer<vtkInteractorStyleImage>::New();
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| interactor->SetInteractorStyle(style);
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| interactor->Start();
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|
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| return EXIT_SUCCESS;
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| }
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| void ApplyThresholding(ImageType::Pointer image)
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| {
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| typedef itk::BinaryThresholdImageFilter <ImageType, ImageType>
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| BinaryThresholdImageFilterType;
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| BinaryThresholdImageFilterType::Pointer thresholdFilter
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| = BinaryThresholdImageFilterType::New();
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| thresholdFilter->SetInput(image);
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| thresholdFilter->SetLowerThreshold(10);
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| thresholdFilter->SetUpperThreshold(50);
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| thresholdFilter->SetInsideValue(255);
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| thresholdFilter->SetOutsideValue(0);
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| thresholdFilter->InPlaceOn();
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| thresholdFilter->Update();
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| }
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| </source>
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| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
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