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  1. #include "itkCovariantVector.h"
  2. #include "itkImage.h"
  3. #include "itkImageRegionIterator.h"
  4. #include "itkNthElementImageAdaptor.h"
  5. #include "itkVectorImage.h"
  6. #include "itkVectorImageToImageAdaptor.h"
  7.  
  8. static void VectorImage();
  9. static void ImageCovariantVector();
  10. static void VectorImageDoesNotWork();
  11. static void ImageCovariantVectorDoesNotWork();
  12.  
  13. int main(int, char* [] )
  14. {
  15.  
  16.   return 0;
  17. }
  18.  
  19. void ImageCovariantVector()
  20. {
  21.   typedef itk::Image<itk::CovariantVector<unsigned char, 3>, 2> VectorImageType;
  22.   VectorImageType::Pointer image = VectorImageType::New();
  23.   itk::Index<2> corner = {{0,0}};
  24.   itk::Size<2> size = {{500,500}};
  25.   itk::ImageRegion<2> fullRegion(corner, size);
  26.   image->SetRegions(fullRegion);
  27.   image->Allocate();
  28.  
  29.   typedef itk::Image<unsigned char, 2> ScalarImageType;
  30.  
  31.   typedef itk::NthElementImageAdaptor<VectorImageType, ScalarImageType::PixelType> ImageAdaptorType;
  32.   typename ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
  33.   adaptor->SelectNthElement(0);
  34.   adaptor->SetImage(image.GetPointer());
  35.  
  36.   itk::ImageRegionIterator<ImageAdaptorType> imageIterator(adaptor, adaptor->GetLargestPossibleRegion());
  37.  
  38.   while(!imageIterator.IsAtEnd())
  39.   {
  40.  
  41.     ++imageIterator;
  42.   }
  43. }
  44.  
  45. void VectorImage()
  46. {
  47.   typedef itk::VectorImage<unsigned char, 2> VectorImageType;
  48.   VectorImageType::Pointer image = VectorImageType::New();
  49.   itk::Index<2> corner = {{0,0}};
  50.   itk::Size<2> size = {{500,500}};
  51.   itk::ImageRegion<2> fullRegion(corner, size);
  52.   image->SetRegions(fullRegion);
  53.   image->SetNumberOfComponentsPerPixel(3);
  54.   image->Allocate();
  55.  
  56.   typedef itk::Image<unsigned char, 2> ScalarImageType;
  57.  
  58.   typedef itk::VectorImageToImageAdaptor<ScalarImageType::PixelType, 2> ImageAdaptorType;
  59.   typename ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
  60.   adaptor->SetExtractComponentIndex(0);
  61.   adaptor->SetImage(image.GetPointer());
  62.  
  63.   itk::ImageRegionIterator<ImageAdaptorType> imageIterator(adaptor, adaptor->GetLargestPossibleRegion());
  64.  
  65.   while(!imageIterator.IsAtEnd())
  66.   {
  67.  
  68.     ++imageIterator;
  69.   }
  70.  
  71. }
  72.  
  73.  
  74. void VectorImageDoesNotWork()
  75. {
  76. //   typedef itk::VectorImage<unsigned char, 2> VectorImageType;
  77. //   VectorImageType::Pointer image = VectorImageType::New();
  78. //   itk::Index<2> corner = {{0,0}};
  79. //   itk::Size<2> size = {{500,500}};
  80. //   itk::ImageRegion<2> fullRegion(corner, size);
  81. //   image->SetRegions(fullRegion);
  82. //   image->SetNumberOfComponentsPerPixel(3);
  83. //   image->Allocate();
  84. // 
  85. //   typedef itk::Image<unsigned char, 2> ScalarImageType;
  86. // 
  87. //   typedef itk::NthElementImageAdaptor<VectorImageType, ScalarImageType::PixelType> ImageAdaptorType;
  88. //   typename ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
  89. //   adaptor->SelectNthElement(0);
  90. //   adaptor->SetImage(image.GetPointer());
  91. // 
  92. //   itk::ImageRegionIterator<ImageAdaptorType> imageIterator(adaptor, adaptor->GetLargestPossibleRegion());
  93. // 
  94. //   while(!imageIterator.IsAtEnd())
  95. //   {
  96. // 
  97. //     ++imageIterator;
  98. //   }
  99.  
  100. }
  101.  
  102.  
  103. void ImageCovariantVectorDoesNotWork()
  104. {
  105. //   typedef itk::Image<itk::CovariantVector<unsigned char, 3>, 2> VectorImageType;
  106. //   VectorImageType::Pointer image = VectorImageType::New();
  107. //   itk::Index<2> corner = {{0,0}};
  108. //   itk::Size<2> size = {{500,500}};
  109. //   itk::ImageRegion<2> fullRegion(corner, size);
  110. //   image->SetRegions(fullRegion);
  111. //   image->Allocate();
  112. // 
  113. //   typedef itk::Image<unsigned char, 2> ScalarImageType;
  114. // 
  115. //   typedef itk::VectorImageToImageAdaptor<ScalarImageType::PixelType, 2> ImageAdaptorType;
  116. //   typename ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
  117. //   adaptor->SetExtractComponentIndex(0);
  118. //   adaptor->SetImage(image.GetPointer());
  119. // 
  120. //   itk::ImageRegionIterator<ImageAdaptorType> imageIterator(adaptor, adaptor->GetLargestPossibleRegion());
  121. // 
  122. //   while(!imageIterator.IsAtEnd())
  123. //   {
  124. // 
  125. //     ++imageIterator;
  126. //   }
  127.  
  128. }
  129.  
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https://ideone.com/ROmmf
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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