You can try this instead, this worked for me in maketx:

# For high quality use this
--attrib openexr:dwaCompressionLevel 45.0

# For meduim quality use that:
--attrib openexr:dwaCompressionLevel 85.0


On Tue, Sep 20, 2016 at 3:11 PM, Deke Kincaid <dekekinc...@gmail.com> wrote:

> Hi Larry
>
> We are trying to compress EXR files in OIIO with dwaa/dwab compression but
> currently this does not seem to directly hooked up to the --quality flag in
> oiiotool.  No matter if you use --quality 10 or 100, the attr
> dwaCompressionLevel key never gets set and the file is exactly the same
> size.
>
> We found that we need to directly set the attr via:
> oiiotool blah.exr --ch R,G,B --croptofull --compression dwaa --attrib
> dwaCompressionLevel 100.0 -o blah_dwa.exr
>
> Any chance we could get this attr hooked up to the quality slider?  Also
> it appears that maketx does not have a --quality flag either (I haven't
> checked iconvert).
>
> -deke
>
>
>
> _______________________________________________
> Oiio-dev mailing list
> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
>


-- 
---------------------------------------------------------------
Eric Tabellion           e...@pdi.com
R&D Staff                (650)-562-9146
PDI/Dreamworks
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