void TestExtractChannels()
{
typedef itk::VectorImage<float, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->SetNumberOfComponentsPerPixel(3);
image->Allocate();
// Extract the first two channels
std::vector<unsigned int> channels;
channels.push_back(0);
channels.push_back(1);
typedef itk::VectorImage<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannels(image.GetPointer(), channels, floatScalarImage.GetPointer());
typedef itk::VectorImage<unsigned char, 2> UnsignedCharScalarImageType;
UnsignedCharScalarImageType::Pointer unsignedCharScalarImage = UnsignedCharScalarImageType::New();
ITKHelpers::ExtractChannels(image.GetPointer(), channels, unsignedCharScalarImage.GetPointer());
}
void TestExtractChannel()
{
typedef itk::VectorImage<float, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->SetNumberOfComponentsPerPixel(2);
image->Allocate();
typedef itk::Image<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, floatScalarImage.GetPointer());
typedef itk::Image<unsigned char, 2> UnsignedCharScalarImageType;
UnsignedCharScalarImageType::Pointer unsignedCharScalarImage = UnsignedCharScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, unsignedCharScalarImage.GetPointer());
}
bool TestExtractChannel()
{
// VectorImage
{
typedef itk::VectorImage<float, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->SetNumberOfComponentsPerPixel(2);
image->Allocate();
typedef itk::Image<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, floatScalarImage.GetPointer());
typedef itk::Image<unsigned char, 2> UnsignedCharScalarImageType;
UnsignedCharScalarImageType::Pointer unsignedCharScalarImage = UnsignedCharScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, unsignedCharScalarImage.GetPointer());
}
// VectorImage different output type
{
typedef itk::VectorImage<float, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->SetNumberOfComponentsPerPixel(2);
image->Allocate();
typedef itk::Image<unsigned char, 2> UnsignedCharScalarImageType;
UnsignedCharScalarImageType::Pointer unsignedCharScalarImage = UnsignedCharScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, unsignedCharScalarImage.GetPointer());
}
// Scalar Image
{
typedef itk::Image<float, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->Allocate();
typedef itk::Image<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, floatScalarImage.GetPointer());
typedef itk::Image<unsigned char, 2> UnsignedCharScalarImageType;
UnsignedCharScalarImageType::Pointer unsignedCharScalarImage = UnsignedCharScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, unsignedCharScalarImage.GetPointer());
}
// Image<CovariantVector>
{
typedef itk::Image<itk::CovariantVector<float, 3>, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->Allocate();
typedef itk::Image<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, floatScalarImage.GetPointer());
}
// Image<Vector>
{
typedef itk::Image<itk::Vector<float, 3>, 2> VectorImageType;
VectorImageType::Pointer image = VectorImageType::New();
itk::Index<2> corner = {{0,0}};
itk::Size<2> size = {{100,100}};
itk::ImageRegion<2> region(corner, size);
image->SetRegions(region);
image->Allocate();
typedef itk::Image<float, 2> FloatScalarImageType;
FloatScalarImageType::Pointer floatScalarImage = FloatScalarImageType::New();
ITKHelpers::ExtractChannel(image.GetPointer(), 0, floatScalarImage.GetPointer());
}
return true;
}