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| ==NeighborhoodOperatorImageFunction.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| | {{warning|1=The media wiki content on this page is no longer maintained.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 "itkNeighborhoodOperatorImageFunction.h"
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| #include "itkNeighborhoodOperator.h"
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| | |
| typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
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| | |
| static void CreateImage(UnsignedCharImageType::Pointer image);
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| int main(int, char*[])
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| { | |
| UnsignedCharImageType::Pointer image = UnsignedCharImageType::New();
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| CreateImage(image);
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| itk::Neighborhood<float, 2> neighborhood;
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| neighborhood.SetRadius(1);
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| for(unsigned int i = 0; i < neighborhood.GetSize()[0] * neighborhood.GetSize()[1]; ++i)
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| {
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| neighborhood[i] = 1;
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| }
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| | |
| typedef itk::NeighborhoodOperatorImageFunction<UnsignedCharImageType, float> NeighborhoodOperatorImageFunctionType;
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| NeighborhoodOperatorImageFunctionType::Pointer neighborhoodOperatorImageFunction = NeighborhoodOperatorImageFunctionType::New();
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| neighborhoodOperatorImageFunction->SetOperator(neighborhood);
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| neighborhoodOperatorImageFunction->SetInputImage(image);
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| | |
| {
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| itk::Index<2> index;
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| index.Fill(20);
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| float output = neighborhoodOperatorImageFunction->EvaluateAtIndex(index);
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| std::cout << "Sum on border: " << output << std::endl;
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| }
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|
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| {
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| itk::Index<2> index;
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| index.Fill(35);
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| float output = neighborhoodOperatorImageFunction->EvaluateAtIndex(index);
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| std::cout << "Sum in center: " << output << std::endl;
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| }
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|
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| {
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| itk::Index<2> index;
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| index.Fill(7);
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| float output = neighborhoodOperatorImageFunction->EvaluateAtIndex(index);
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| std::cout << "Sum outside: " << output << std::endl;
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| }
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|
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| return EXIT_SUCCESS;
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| }
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| | |
| void CreateImage(UnsignedCharImageType::Pointer image)
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| {
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| // Create an image with 2 connected components
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| UnsignedCharImageType::IndexType start;
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| start.Fill(0);
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| UnsignedCharImageType::SizeType size;
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| size.Fill(100);
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| UnsignedCharImageType::RegionType region(start,size); | |
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| image->SetRegions(region);
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| image->Allocate();
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| image->FillBuffer(0);
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| // Make a square
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| for(unsigned int r = 20; r < 80; r++)
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| {
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| for(unsigned int c = 20; c < 80; c++)
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| {
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| UnsignedCharImageType::IndexType pixelIndex;
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| pixelIndex[0] = r;
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| pixelIndex[1] = c;
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| image->SetPixel(pixelIndex, 1);
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| }
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| }
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| }
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| </source>
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| {{ITKCMakeLists|{{SUBPAGENAME}}}}
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