Re: OpenEXR files with nonlinearly encoded RGB

On Fri, 27 Feb 2015, Chris Cox wrote:

> Well, that's a bug that only Nuke can fix.

I wonder if it would help if Adobe would release an official 
specification for float in TIFF as well as official sample files? ;-)

There are a number of independent interoperable implementations based 
on the unofficial Adobe draft and sample files.

Bob

> 
> Chris
> 
> 
> From: Larry Gritz <[email protected]>
> Date: Friday, February 27, 2015 1:10 PM
> To: Chris Cox <[email protected]>, "[email protected] [email protected]" <[email protected]>
> Subject: Re: [Openexr-devel] OpenEXR files with nonlinearly encoded RGB
> 
> TIFF spec addenda may support fp16, but Nuke (among many other apps) doesn't read it correctly, which makes it nearly
> useless on a VFX pipeline.
> 
> 
> 
> On February 27, 2015 12:24:44 PM PST, Chris Cox <[email protected]> wrote:
> 
> No, 32 bit float is 32 bit float.
> And TIFF supports 16 (half, same as EXR), 24, and 96 bit float formats as
> well.
> Chris
> On 2/27/15 6:44 AM, "Elle Stone" <[email protected]> wrote:
> Are there differences in the number of stops that can be held in 32-bit
> floating point tiffs vs 32-bit floating point OpenEXR images?
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> 
> 
> --
> Larry Gritz
> [email protected]
> 
>

-- 
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/