List of integers specifying channel order in output (list).
ice.Image Interleave(b, channels)
Returns an image combining channels of two images in a specified order. The List contains both negative and positive integers: negative numbers refer to channels in the first image, and positive ones to channels in the second image.
Second image (ice.Image)
List of integers representing channels in each operand image (list).
In this example, the red, green and blue channels from a and the alpha channel from b and puts them together to form the result image.A channel index of zero is not defined.