OK, this is merged into master. If you need me to, I can eventually merge it to
a release branch, but the release wouldn't be for a few weeks and I don't even
want to backport the commit until it's been in master for several days, just in
case any problems are discovered.
-- lg
> On Aug 8, 2019, at 10:32 AM, Lydia Lam <[email protected]> wrote:
>
> That sounds great! Thank you so much!
>
>
> Lydia
>
> On Wed, Aug 7, 2019 at 11:34 PM Larry Gritz <[email protected]
> <mailto:[email protected]>> wrote:
> Here's what I'm thinking as a solution:
>
> https://github.com/OpenImageIO/oiio/pull/2311
> <https://github.com/OpenImageIO/oiio/pull/2311>
>
> So what you'd do with this feature is
>
> oiiotool --metamerge file1.exr file2.exr --chappend --chname ... -o
> out.exr
>
> And instead of the output getting the metadata from just file1.exr (current
> behavior makes each op copy metadata from its first argument), this would
> "merge" the metadata from all inputs into the output.
>
>
>
>> On Aug 7, 2019, at 8:48 AM, Larry Gritz <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Python is the easy fix (where you can copy over the metadata "by hand"), but
>> I'm also working on an oiiotool-based solution to this; stay tuned for a PR
>> hopefully today if I an squeeze out some free time.
>>
>>
>>> On Aug 6, 2019, at 4:36 PM, Nathan R <[email protected]
>>> <mailto:[email protected]>> wrote:
>>>
>>> Yeah, it looks like what's missing is the Arnold metadata for the other
>>> AOVs besides RGBA.
>>>
>>> I'll defer to Larry on the possibilities there (I suspect a Python script
>>> may be the easiest way to go), but based on your channel names and need for
>>> this metadata, I'm guessing you're trying to create a merged EXR to pass to
>>> noice. For what it's worth, I've actually found that it's easier to just
>>> feed in separate files for all the AOVs, since noice will just decide
>>> what's available based on the metadata of all the input files.
>>>
>>> -Nathan
>>>
>>> On 8/6/2019 4:12 PM, Larry Gritz wrote:
>>>> Is it missing the AOVs? (The channels, the pixels?)
>>>>
>>>> Or is it just not combining the *metadata* from all the source images into
>>>> the output?
>>>>
>>>>
>>>>> On Aug 6, 2019, at 4:06 PM, Lydia Lam <[email protected]
>>>>> <mailto:[email protected]>> wrote:
>>>>>
>>>>> They are exr's. So I have the following aovs: beauty,
>>>>> diffuse_albedo_noice, variance, N_noice, Z_noice:
>>>>>
>>>>> ./oiiotool beauty.0001.exr diffuse_albedo_noice.0001.exr --chappend
>>>>> -chname
>>>>> ,,,,"diffuse_albedo_noice.R","diffuse_albedo_noice.G","diffuse_albedo_noice.B"
>>>>> -o merged_bd.0001.exr
>>>>> ./oiiotool merged_bd.0001.exr variance.0001.exr --chappend --chname
>>>>> ,,,,,,,"variance.R","variance.G","variance.B","variance.A" -o
>>>>> merged_bdv.0001.exr
>>>>> ...<all the aovs>...
>>>>> ./oiiotool ...-o merged_all_aovs.0001.exr
>>>>>
>>>>> When I query the final merged image,
>>>>> ./oiiotool --info:verbose=1 merged_all_aovs.0001.exr
>>>>> maya_render.0001.exr: 960 x 540, 15 channel, half openexr channel list:
>>>>> R, G, B, A, Z_noice, N_noice.Y, N_noice.Z, N_noice.X,
>>>>> diffuse_albedo_noice.R, diffuse_albedo_noice.G, diffuse_albedo_noice.B,
>>>>> variance.R, variance.G, variance.B, variance.A
>>>>> arnold / AA_samples: 2
>>>>> arnold / aovs / RGBA / filter: "gaussian_filter"
>>>>> arnold / aovs / RGBA / filter_width: 2
>>>>> arnold / aovs / RGBA / lpe: 1
>>>>> arnold / aovs / RGBA / source: "RGBA"
>>>>> arnold / auto_transparency_depth: 10
>>>>> arnold / bounds_max_x: 959
>>>>> arnold / bounds_max_y: 539
>>>>> ...
>>>>> It is missing the aovs after beauty.
>>>>>
>>>>>
>>>>> Comparing it to the render from Maya
>>>>> maya_render.0001.exr: 960 x 540, 15 channel, half openexr channel list:
>>>>> R, G, B, A, Z_noice, N_noice.Y, N_noice.Z, N_noice.X,
>>>>> diffuse_albedo_noice.R, diffuse_albedo_noice.G, diffuse_albedo_noice.B,
>>>>> variance.R, variance.G, variance.B, variance.A
>>>>> arnold / AA_samples: 2
>>>>> arnold / aovs / diffuse_albedo_noice / filter: "gaussian_filter"
>>>>> arnold / aovs / diffuse_albedo_noice / filter_width: 2
>>>>> arnold / aovs / diffuse_albedo_noice / lpe: 1
>>>>> arnold / aovs / diffuse_albedo_noice / source: "diffuse_albedo"
>>>>> arnold / aovs / N_noice / filter: "gaussian_filter"
>>>>> arnold / aovs / N_noice / filter_width: 2
>>>>> arnold / aovs / N_noice / source: "N"
>>>>> arnold / aovs / RGBA / filter: "gaussian_filter"
>>>>> arnold / aovs / RGBA / filter_width: 2
>>>>> arnold / aovs / RGBA / lpe: 1
>>>>> arnold / aovs / RGBA / source: "RGBA"
>>>>> arnold / aovs / variance / filter: "variance_filter"
>>>>> arnold / aovs / variance / filter_width: 2
>>>>> arnold / aovs / variance / lpe: 1
>>>>> arnold / aovs / variance / source: "RGBA"
>>>>> arnold / aovs / Z_noice / filter: "gaussian_filter"
>>>>> arnold / aovs / Z_noice / filter_width: 2
>>>>> arnold / aovs / Z_noice / source: "Z"
>>>>> arnold / auto_transparency_depth: 10
>>>>> arnold / bounds_max_x: 959
>>>>> arnold / bounds_max_y: 539
>>>>> ...
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Aug 6, 2019 at 3:37 PM Larry Gritz <[email protected]
>>>>> <mailto:[email protected]>> wrote:
>>>>> Yes, the command you want is --chappend, which takes two images (say,
>>>>> containing N channels and M channels) and combines them into a new image
>>>>> with N+M channels.
>>>>>
>>>>> You said you tried this... can you show us a command line that shows
>>>>> exactly what you tried?
>>>>>
>>>>> You may need a --chnames afterward to make the channel names make some
>>>>> kind of sense.
>>>>>
>>>>> Also, what file format are you using?
>>>>>
>>>>> Seeing the exact command you tried will probably answer all of the
>>>>> questions and then we'll know what to suggest.
>>>>>
>>>>>
>>>>>> On Aug 6, 2019, at 3:29 PM, Lydia Lam <[email protected]
>>>>>> <mailto:[email protected]>> wrote:
>>>>>>
>>>>>> Is there a way to merge AOVs with oiiotool? I have a sequence rendered
>>>>>> from Maya with a bunch of separate passes. I would like to merge them
>>>>>> into one sequence without having to render again using 'merge AOVs'
>>>>>> option. The output should be a sequence of exr's with no subimages
>>>>>> containing all the channels the different aov's.
>>>>>>
>>>>>> I've tried using --siappendall but that returns one image with multiple
>>>>>> subimages. The number of channels is the number of channels at the top
>>>>>> layer, not all the aovs.
>>>>>>
>>>>>> I've also tried --chappend and merge the images one at a time while
>>>>>> renaming the channels as I go. This captured all the channels but did
>>>>>> not preserve the aov information.
>>>>>>
>>>>>> Can oiiotool or OpenImageIO merge multiple images into one while
>>>>>> preserving all the channels? Thanks!
>>>>>>
>>>>>>
>>>>>> Lydia
>>>>>>
>>>>>
>>>>> --
>>>>> Larry Gritz
>>>>> [email protected] <mailto:[email protected]>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Oiio-dev mailing list
>>>>> [email protected] <mailto:[email protected]>
>>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>>> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org>
>>>>> _______________________________________________
>>>>> Oiio-dev mailing list
>>>>> [email protected] <mailto:[email protected]>
>>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>>> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org>
>>>>
>>>> --
>>>> Larry Gritz
>>>> [email protected] <mailto:[email protected]>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
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>>
>> --
>> Larry Gritz
>> [email protected] <mailto:[email protected]>
>>
>>
>>
>>
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>
> --
> Larry Gritz
> [email protected] <mailto:[email protected]>
>
>
>
>
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--
Larry Gritz
[email protected]
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