That is great! Thank you Larry for the hint!, I was not aware.
Cheers,
Jose
On Mon, Aug 19, 2019 at 1:24 PM Larry Gritz <l...@larrygritz.com> wrote:
> The patch we were discussing earlier in this thread is the desire to
> combine a bunch of separate images into a single image with just one
> "part", with tons of channels. That was a little trickier and lacked a
> specific command for it. But for a long time we have had the ability to
> combine separate images into a single file with multiple subimages (what
> exr calls "parts").
>
> Are you saying that you have rendered separate images for, say, RGB,
> Diffuse.{R,G,B}, Specular.{R,G.B}? And you want to turn that into a single
> multi-part exr where each of the original images is a separate part?
>
> I think you could have done that all along with
>
> oiiotool rgb.exr diffuse.exr specular.exr --siappendall -o
> multipart.exr
>
>
>
> On Aug 18, 2019, at 7:08 PM, Alejandro Enriquez <alenrq...@gmail.com>
> wrote:
>
> Good day everyone,
>
> One quick question, is this merge creating a multipart exr?
> Recently, we've been talking in my studio to move from single channel exrs
> to multichannel, the only reason why we haven't is due that Arnold doesn't
> render multichannel multipart exr. We have been thinking to do it on a
> post-render process however, if oiio tool would merge single channel to
> multichannel multipart exrs we could keep the same workflow and merge on a
> post render process.
>
> Kind regards
>
> Jose Enriquez
>
> On Wed, Aug 14, 2019 at 6:39 PM Lydia Lam <l...@psyop.tv> wrote:
>
>> Works great! Thank you!
>>
>>
>> On Fri, Aug 9, 2019 at 3:30 PM Larry Gritz <l...@larrygritz.com> wrote:
>>
>>> 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 <l...@psyop.tv> wrote:
>>>
>>> That sounds great! Thank you so much!
>>>
>>>
>>> Lydia
>>>
>>> On Wed, Aug 7, 2019 at 11:34 PM Larry Gritz <l...@larrygritz.com> 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 <l...@larrygritz.com> 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 <nathanru...@gmail.com> 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 <l...@psyop.tv> 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 <l...@larrygritz.com> 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 <l...@psyop.tv> 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
>>>>> l...@larrygritz.com
>>>>>
>>>>>
> --
> Larry Gritz
> l...@larrygritz.com
>
>
>
>
> _______________________________________________
> Oiio-dev mailing list
> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>
_______________________________________________
Oiio-dev mailing list
Oiio-dev@lists.openimageio.org
http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
