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| <div class="floatright">[[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| | {{warning|1=The media wiki content on this page is no longer maintained.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">
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| #include "itkImage.h"
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| #include "itkConstantPadImageFilter.h"
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| #include "itkImageRegionIterator.h"
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|
| |
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| #include "QuickView.h"
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
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| | |
| static void CreateImage(ImageType::Pointer image);
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| | |
| int main(int, char *[])
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| {
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| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
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| | |
| typedef itk::ConstantPadImageFilter <ImageType, ImageType>
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| ConstantPadImageFilterType;
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| | |
| ImageType::SizeType lowerExtendRegion;
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| lowerExtendRegion[0] = 20;
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| lowerExtendRegion[1] = 30;
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| ImageType::SizeType upperExtendRegion;
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| upperExtendRegion[0] = 50;
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| upperExtendRegion[1] = 40;
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| ImageType::PixelType constantPixel = 100;
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| ConstantPadImageFilterType::Pointer padFilter
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| = ConstantPadImageFilterType::New();
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| padFilter->SetInput(image);
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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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| | |
| QuickView viewer;
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| viewer.AddImage<ImageType>(image);
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| viewer.AddImage<ImageType>(padFilter->GetOutput());
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| viewer.Visualize();
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| | |
| return EXIT_SUCCESS;
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| }
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| | |
| void CreateImage(ImageType::Pointer image)
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| {
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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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| unsigned int NumRows = 200;
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| unsigned int NumCols = 300;
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| size[0] = NumRows;
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| size[1] = NumCols;
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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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| | |
| // Make the whole image white
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| itk::ImageRegionIterator<ImageType> iterator(image,image->GetLargestPossibleRegion());
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| while(!iterator.IsAtEnd())
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| {
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| iterator.Set(255);
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| ++iterator;
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| }
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| }
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| </source>
| |
| | |
| ==CMakeLists.txt==
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| <source lang="cmake">
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| cmake_minimum_required(VERSION 2.6)
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| | |
| PROJECT(ConstantPadImageFilter)
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| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
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| 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})
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| | |
| ADD_EXECUTABLE(ConstantPadImageFilter ConstantPadImageFilter.cxx)
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| TARGET_LINK_LIBRARIES(ConstantPadImageFilter
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| vtkHybrid
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| ITKBasicFilters ITKCommon ITKIO)
| |
| | |
| </source>
| |
