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| ==MultiplyByConstantImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained.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 "itkMultiplyImageFilter.h"
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| #include "itkImageRegionConstIterator.h"
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|
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| typedef itk::Image<unsigned char, 2> ImageType;
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
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| void OutputImage(ImageType::Pointer image);
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| int main( int argc, char *argv[])
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| {
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|
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| ImageType::Pointer image = ImageType::New();
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|
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| itk::Index<2> start;
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| start.Fill(0);
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| itk::Size<2> size;
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| size.Fill(3);
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| itk::ImageRegion<2> region(start, size);
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| image->SetRegions(region);
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| image->Allocate();
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| image->FillBuffer(2);
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| OutputImage(image);
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| typedef itk::MultiplyImageFilter<ImageType, unsigned char, ImageType> MultiplyByConstantImageFilterType;
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| MultiplyByConstantImageFilterType::Pointer multiplyByConstantImageFilter = MultiplyByConstantImageFilterType::New();
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| multiplyByConstantImageFilter->SetInput(image);
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| multiplyByConstantImageFilter->SetConstant(3);
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| multiplyByConstantImageFilter->Update();
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| OutputImage(multiplyByConstantImageFilter->GetOutput());
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|
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| return EXIT_SUCCESS;
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| }
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| void OutputImage(ImageType::Pointer image)
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| {
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| itk::ImageRegionConstIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion());
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| while(!imageIterator.IsAtEnd())
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| {
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| // Get the value of the current pixel
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| unsigned char val = imageIterator.Get();
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| std::cout << (int)val << std::endl;
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| ++imageIterator;
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| }
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| }
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| </source>
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| {{ITKCMakeLists|MultiplyByConstantImageFilter|vtkHybrid}}
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