SetAlphaChannel

SetAlphaChannel[image]
adds a fully opaque alpha channel to image.

SetAlphaChannel[image,a]
sets the opacity of all pixels to a.

SetAlphaChannel[image,aimage]
sets the alpha channel of image to aimage.

DetailsDetails

Introduced in 2010
(8.0)
| Updated in 2012
(9.0)