colorview(C, channels...) is much more efficient than C.(channels...) to create a colour Array, as this just reinterprets the input arrays. However, the returned value isn't simply Array{Gray{Float64},2}, so this would probably require reworking the AstroImage data type.
colorview(C, channels...)is much more efficient thanC.(channels...)to create a colour Array, as this just reinterprets the input arrays. However, the returned value isn't simplyArray{Gray{Float64},2}, so this would probably require reworking theAstroImagedata type.