channel combine problem

[amjiuzi]

hi boss, @dahtah i have 2 pics, A and B, both with RGB channels i have split their channels with imsplit(img,'c'), now i wanna combine A's RGB channels with B's channel[[1]] and save it as a tiff, can you give sm advices ? as my test: t2 <- add(imlist(t1[[1]],t1[[2]],t1[[3]],t2[[1]])) t2 Image. Width: 424 pix Height: 512 pix Depth: 1 Colour channels: 1