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Hi John, On Fri, Mar 18, 2011 at 3:50 PM, <[log in to unmask]> wrote: > It's working, but it sets pixels to 0 or 1 for black and white. When > you shrink, these tiny differences get smoothed out. If you load the > image in nip2 you can use the display control bar to see the detail. > > I'll add something to make the png reader set pixels to 0 or 255 for > 1-bit images, but in the meantime, you can do: > Thank you for the answer! The workaround is working for 1 bit images. Do you also know a workaround for palette based 8-bit PNGs? e.g. http://upload.wikimedia.org/wikipedia/commons/3/31/A_large_blank_world_map_with_oceans_marked_in_blue-edited.png Best regards, Bryan