SelectChannel

Header:	AVL.h
Namespace:	avl

Creates an image from a single channel of the input image.

void avl::SelectChannel
(
	const avl::Image& inImage,
	atl::Optional<const avl::Region&> inRoi,
	int inChannelIndex,
	avl::Image& outImage
)

Name	Type	Range	Default	Description
inImage	const Image&			Input image
inRoi	Optional<const Region&>		NIL	Range of pixels to be processed
inChannelIndex	int	0 - 3
outImage	Image&			Output image

The operation extracts the selected color channel of inImage.

An example image used as inImage.

The resulting outImage when inChannelIndex = 0.

The resulting outImage when inChannelIndex = 1.

The resulting outImage when inChannelIndex = 2.

This operation supports automatic parallelization for multicore and multiprocessor systems.

List of possible exceptions:

Error type	Description
DomainError	Channel index out of range in SelectChannel.
DomainError	Region exceeds an input image in SelectChannel.