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| ==WrapPadImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained.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"
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| #include "itkImageFileWriter.h"
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| #include "itkRescaleIntensityImageFilter.h"
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| #include "itkWrapPadImageFilter.h"
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| #include "itkImageRegionIterator.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"
| |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| | |
| void CreateImage(ImageType::Pointer image);
| |
| | |
| int main(int, char *[])
| |
| {
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| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
| |
| | |
| typedef itk::WrapPadImageFilter <ImageType, ImageType>
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| WrapPadImageFilterType;
| |
| | |
| ImageType::SizeType lowerExtend;
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| lowerExtend[0] = 20;
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| lowerExtend[1] = 30;
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| | |
| ImageType::SizeType upperExtend;
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| upperExtend[0] = 50;
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| upperExtend[1] = 40;
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|
| |
| WrapPadImageFilterType::Pointer padFilter
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| = WrapPadImageFilterType::New();
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| padFilter->SetInput(image);
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| padFilter->SetPadLowerBound(lowerExtend);
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| padFilter->SetPadUpperBound(upperExtend);
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| padFilter->Update();
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| | |
| // Visualize first image
| |
| typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
| |
| ConnectorType::Pointer originalConnector = ConnectorType::New();
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| originalConnector->SetInput(image);
| |
| | |
| vtkSmartPointer<vtkImageActor> originalActor =
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| vtkSmartPointer<vtkImageActor>::New();
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| originalActor->SetInput(originalConnector->GetOutput());
| |
| | |
| // Visualize padded image
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| ConnectorType::Pointer paddedConnector = ConnectorType::New();
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| paddedConnector->SetInput(padFilter->GetOutput());
| |
| | |
| vtkSmartPointer<vtkImageActor> paddedActor =
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| vtkSmartPointer<vtkImageActor>::New();
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| paddedActor->SetInput(paddedConnector->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)
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| 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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| rightRenderer->AddActor(paddedActor);
| |
| | |
| leftRenderer->ResetCamera();
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| rightRenderer->ResetCamera();
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| | |
| renderWindow->Render();
| |
| | |
| vtkSmartPointer<vtkInteractorStyleImage> style =
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| vtkSmartPointer<vtkInteractorStyleImage>::New();
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| interactor->SetInteractorStyle(style);
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| | |
| interactor->Start();
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| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
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| {
| |
| // Create an image
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| ImageType::RegionType region;
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| ImageType::IndexType start;
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| start[0] = 0;
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| start[1] = 0;
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| | |
| ImageType::SizeType size;
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| size[0] = 200;
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| size[1] = 100;
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| | |
| region.SetSize(size);
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| region.SetIndex(start);
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| | |
| image->SetRegions(region);
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| image->Allocate();
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| itk::ImageRegionIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion());
| |
| | |
| while(!imageIterator.IsAtEnd())
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| {
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| imageIterator.Set(imageIterator.GetIndex()[0]);
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| ++imageIterator;
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| }
| |
| }
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| </source>
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| | |
| {{ITKVTKCMakeLists|WrapPadImageFilter|}}
| |
