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| Add a constant to pixels when they are accessed.
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| | | }} |
| ==AddPixelAccessor.cxx==
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| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkAddPixelAccessor.h"
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| #include "itkImageAdaptor.h"
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| #include "itkImageRegionIterator.h"
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|
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| typedef itk::Image<unsigned int, 2> ImageType;
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|
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| static void CreateImage(ImageType::Pointer image);
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|
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| int main(int, char *[])
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| { | |
| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
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|
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| typedef itk::Accessor::AddPixelAccessor <ImageType::PixelType>
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| AddPixelAccessorType;
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| typedef itk::ImageAdaptor< ImageType, AddPixelAccessorType >
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| ImageAdaptorType;
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| ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
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| AddPixelAccessorType addPixelAccessor;
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| adaptor->SetImage(image);
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|
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| ImageType::IndexType index;
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| index[0] = 0;
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| index[1] = 0;
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| addPixelAccessor.SetValue(5);
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| adaptor->SetPixelAccessor(addPixelAccessor);
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| std::cout << "addPixelAccessor.SetValue(5)" << std::endl;
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| std::cout << "\timage->GetPixel" << index << ": " << image->GetPixel(index)
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| << " adaptor->GetPixel" << index << ": " << adaptor->GetPixel(index)
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| << std::endl;
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| addPixelAccessor.SetValue(100);
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| adaptor->SetPixelAccessor(addPixelAccessor);
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| std::cout << "addPixelAccessor.SetValue(100)" << std::endl;
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| std::cout << "\timage->GetPixel" << index << ": " << image->GetPixel(index)
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| << " adaptor->GetPixel" << index << ": " << adaptor->GetPixel(index)
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| << std::endl;
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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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| ImageType::IndexType start;
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| start.Fill(0);
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| ImageType::SizeType size;
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| size.Fill(10);
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|
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| ImageType::RegionType region;
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| region.SetSize(size);
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| region.SetIndex(start);
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|
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| image->SetRegions(region);
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| image->Allocate();
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|
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| itk::ImageRegionIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion()); | |
|
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| while(!imageIterator.IsAtEnd())
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| {
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| imageIterator.Set(20);
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| ++imageIterator;
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| }
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|
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| }
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| </source>
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| {{ITKVTKCMakeLists|AddPixelAccessor|}}
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