Banish the idea of "255" from your head forever. Everything is floating point, and a 255 in an 8-bit file will map to 1.0.
I would say that you should default to 0-1 but allow manual override of min/max. On Jul 3, 2012, at 12:20 PM, Stefan Stavrev wrote: > I am working on histogram drawing. > > What are all the possible ranges of values in one channel I should consider? > > The usual ranges are 0-1 and 0-255. Any other ranges I should have in mind? > -- Larry Gritz [email protected] _______________________________________________ Oiio-dev mailing list [email protected] http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
