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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Images_TestConstantPadImageFilter.png|300px]]</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| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| ==ConstantPadImageFilter.cxx==
| | }} |
| <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 "itkConstantPadImageFilter.h"
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| #include "itkImageRegionIterator.h"
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|
| |
|
| typedef itk::Image<unsigned char, 2> ImageType;
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| | |
| static void CreateImage(ImageType::Pointer image);
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| static void WriteImage(ImageType::Pointer image, std::string filename);
| |
| | |
| int main(int, char *[])
| |
| {
| |
| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
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| WriteImage(image, "input.png");
| |
| | |
| | |
| typedef itk::ConstantPadImageFilter <ImageType, ImageType>
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| ConstantPadImageFilterType;
| |
| | |
| ImageType::SizeType lowerExtendRegion;
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| lowerExtendRegion[0] = 10;
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| lowerExtendRegion[1] = 10;
| |
| | |
| ImageType::SizeType upperExtendRegion;
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| upperExtendRegion[0] = 50;
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| upperExtendRegion[1] = 50;
| |
| | |
| ImageType::PixelType constantPixel = 100;
| |
| | |
| ConstantPadImageFilterType::Pointer padFilter
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| = ConstantPadImageFilterType::New();
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| padFilter->SetInput(image);
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| //padFilter->SetPadBound(outputRegion); // Calls SetPadLowerBound(region) and SetPadUpperBound(region)
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| padFilter->SetPadLowerBound(lowerExtendRegion);
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| padFilter->SetPadUpperBound(upperExtendRegion);
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| padFilter->SetConstant(constantPixel);
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| padFilter->Update();
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| | |
| WriteImage(padFilter->GetOutput(), "output.png");
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
| |
| {
| |
| // Create an image
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| ImageType::IndexType start;
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| start.Fill(0);
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| | |
| ImageType::SizeType size;
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| size.Fill(100);
| |
| | |
| ImageType::RegionType region(start, size);
| |
| | |
| image->SetRegions(region);
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| image->Allocate();
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| image->FillBuffer(0);
| |
| | |
| }
| |
| | |
| void WriteImage(ImageType::Pointer image, std::string filename)
| |
| {
| |
| typedef itk::ImageFileWriter< ImageType > WriterType;
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| WriterType::Pointer writer = WriterType::New();
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| writer->SetFileName(filename);
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| writer->SetInput(image);
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| writer->Update();
| |
| }
| |
| </source>
| |
| | |
| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
| |
