Weird!

I don't suppose you can make a small test image that exhibits this behavior and 
send it to me?

        -- lg


> On Aug 23, 2016, at 4:14 PM, Michael Breymann <[email protected]> wrote:
> 
> Hello--just getting into oiio dev and running into a strange issue with deep 
> data.
> 
> I'm seeing different sampled values between what oiio deep_value returns and 
> what the Nuke sampler returns. My simple test case involves a sphere with RGB 
> values between 0.0-1.0 over the surface, solid alpha (resulting in 1 
> sample/pixel), rendered to exr single scanline half float.
> 
> Piping the image through Nuke's deepRead->deepSample returns different values 
> than deepdata.deep_value(p,c,s) for the same pixel sample. For some pixels, 
> the value of a channel is a match. For other pixels, the value of a channel 
> is off by a small margin of ~.1. Oddly, the green channel seems more 
> affected/inaccurate than other channels, for some pixels even returning a 
> different sign, which makes me wonder if there's a color space issue at play 
> here.
> 
> I have not tested on the stable release (1.6) or any other branch. Any ideas?
> 
> oiio version 1.7 (latest dev commit from 13 days ago)
> Nuke version 9.0v5
> exr ilmimf 2.2.0
> ilmbase 2.2.0
> Windows x64 
> Visual Studio 2013
> 
> Regards,
> Mike
> 
> 
> 
> 
> -- 
>                            
> 
> .......::::::  Michael Breymann 
>                 www.glyphfx.com <http://www.glyphfx.com/>   ::::::.......
> _______________________________________________
> Oiio-dev mailing list
> [email protected]
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--
Larry Gritz
[email protected]


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