imager (version 0.41.2)

rm.alpha: Remove alpha channel and store as attribute

Description

Remove alpha channel and store as attribute

Usage

rm.alpha(im)

Arguments

im

an image with 4 RGBA colour channels

Value

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

See Also

flatten.alpha

Examples

# NOT RUN {
#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")
# }