On 07/18/2013 04:40 PM, Larry Gritz wrote:
TIFF does not support named channels. When OIIO saves a TIFF file, that 
information is lost.  When it reads a TIFF file, it automatically names them R, 
G, B, A, channelX...


On Jul 18, 2013, at 1:16 AM, Michel Lerenard wrote:

Hi,

once again I have an issue and a question ! Working on custom channels, I have 
not been able yet to write custom channel names to a TIFF file.
If I write, using ImageSpec, four channels named: r, g, b, a, depth.z, at 
reload I get r, g, b, a, channel4.

I've tried using a single letter, not using dots in the name, i always get the 
same result: r, g, b, a, channel4.

Is it a limitation of the TIFF format ? Should I use another method to name the 
channels ?

Thanks,

Michel.
--
Larry Gritz
[email protected]


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Ok, that was the answer I feared the most. ^^
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