That sounds great! Thank you so much!
Lydia On Wed, Aug 7, 2019 at 11:34 PM Larry Gritz <[email protected]> wrote: > Here's what I'm thinking as a solution: > > 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]> 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]> 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]> 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]> 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]> 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] >> >> >> >> >> _______________________________________________ >> Oiio-dev mailing list >> [email protected] >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > -- > Larry Gritz > [email protected] > > > > > > _______________________________________________ > Oiio-dev mailing > [email protected]http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > -- > Larry Gritz > [email protected] > > > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > -- > Larry Gritz > [email protected] > > > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >
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