"Christina Williams" on wrote...
| Hi all,
|
| Thanks for the advice. I've tried using the png8:filename.png option, but
| unfortunately I'm still getting a 3 band output (I assume 24 bit?).
|
How are you checking the resulting PNG image?
Note that 24 bit is -depth 8 in IM. -depth refers to the number of bits
PER COLOR not the total number of bits.
PNG8 is supposed to only output a PNG with a 256 color pallette.
You try also adding a -quantize grey -colors 256
just before the final save. It may be IM is trying to be over smart
and 'upgrading' the format (it shouldn't).
PS: version 6.3.0 is a bit old and this problem may have been fixed
already, try the latest IM 6.3.5
Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]>
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