imager (version 0.42.19)

rm.alpha: Remove alpha channel and store as attribute

Description

Remove alpha channel and store as attribute

Usage

rm.alpha(im)

Value

an image with only three RGB channels and the alpha channel as attribute

Arguments

im

an image with 4 RGBA colour channels

Author

Simon Barthelme

See Also

flatten.alpha

Examples

#An image with 4 colour channels (RGBA)
im <- imfill(2,2,val=c(0,0,0,0))
#Remove fourth channel
rm.alpha(im)
attr(rm.alpha(im),"alpha")