Thanks for the reply!
I am using version 2.1.16.
I installed this Homebrew on mac os. Again thanks for your help!
*Danny Yoon*
On Sun, Jun 28, 2020 at 10:27 PM Larry Gritz <l...@larrygritz.com> wrote:
> Do you know what version (or commit) are you using?
>
> The subimages=... modifier is quite new, only expected to work in a fairly
> recent build from master.
>
>
>
> On Jun 28, 2020, at 9:56 PM, Danny Yoon <da...@mrwolf.com> wrote:
>
> I have to change the channel names of a multi-part exr to be unique names
> in order to import it into Baselight.
>
> The source exr's channel structure is something like this:
> part 0 ("main") has channels R,G,B
> part 1 ("rgbmatte1") has channels R,G,B
> part 2 ("rgbmatte2") has channels R,G,B
>
> I need to make the exr look like this:
> part 0 ("main") has channels R,G,B
> part 1 ("rgbmatte1") has channels m1.R,m1.G,m1.B
> part 2 ("rgbmatte2") has channels m2.R,m2.G,m2.B
>
> When I try to this:
>
> oiiotool -a source.exr --chnames:subimages=2 "m2.R,m2.G,m2.B,," -o
> output.exr
>
> But this changes the channel names in ALL the parts not just part #2.
>
> I even tried this:
>
> oiiotool -a source.exr --subimage 0 -i source.exr --subimage 1
> --chnames:subimages=1 "m1.R,m1.G,m1.B,,"-i source.exr --subimage 2
> --chnames:subimages=2 "m2.R,m2.G,m2.B,," --siappendall -o output.exr
>
> This renames the channels in all the parts as well.
>
> Anyone have any luck with this? Ideally I want to change only the
> metadata of the exr and not have to re-write the image file. I have
> hundreds of exrs to convert and need a fast way to fix the channel names.
> Maybe a python script instead of oiiotool?
>
> I'm on mac os by the way. I really appreciate any help you can give.
> Thanks!
>
>
> *Danny Yoon*
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> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
>
> --
> Larry Gritz
> l...@larrygritz.com
>
>
>
>
> _______________________________________________
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> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
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