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| This example demonstrates how to create an image with vector valued pixels. This is very similar to
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| typedef itk::Image<itk::CovariantVector<float,2> > ImageType; | | }} |
| but the difference is that the dimensionality of the pixels of a itkVectorImage can be determined at runtime, when the dimensionality of an itk::Image<itk::CovariantVector<pixeltype,pixeldimension> > must be determined at compile time.
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| ==VectorImage.cxx==
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| <source lang="cpp">
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| #include "itkVectorImage.h"
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| int main(int, char *[])
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| {
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| // Create an image
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| typedef itk::VectorImage<float, 2> ImageType;
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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(2);
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| ImageType::RegionType region(start,size); | |
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| ImageType::Pointer image = ImageType::New();
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| image->SetRegions(region);
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| image->SetVectorLength(2);
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| image->Allocate();
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| ImageType::IndexType pixelIndex;
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| pixelIndex[0] = 1;
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| pixelIndex[1] = 1;
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| ImageType::PixelType pixelValue = image->GetPixel(pixelIndex);
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| std::cout << "pixel (1,1) = " << pixelValue << std::endl;
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| typedef itk::VariableLengthVector<double> VariableVectorType;
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| VariableVectorType variableLengthVector;
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| variableLengthVector.SetSize(2);
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| variableLengthVector[0] = 1.1;
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| variableLengthVector[1] = 2.2;
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| image->SetPixel(pixelIndex, variableLengthVector);
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| std::cout << "pixel (1,1) = " << pixelValue << std::endl;
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| return EXIT_SUCCESS;
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| }
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| </source>
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| {{ITKCMakeLists|VectorImage}}
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