Posted: 2006-11-08T02:51:31-07:00
convert colored.jpg -colorspace GRAY grayed.jpg
1/ start with something simple to get it to work.
2/ You are trying to save with the same image name as you are calling which will not work for me.
3/ Try putting {$userfile[$i]}
4/ Your link does not work.
convert image_in.jpg -colorspace Gray image_out.jpg works for me