Yeah, I'm happy to take a look.
> On Feb 21, 2022, at 3:22 PM, Jerome Raim <jerome.r...@gmail.com> wrote: > > Thanks for that info! > > This is harder than I imagined. Single image with many layers was much easier > to code... > > I'm also struggling with the added complication of roi != roi_full and > creating a blank image spec in anticipation of unknown amount of matte > channels about to be added. > > I'm attaching 3 dummy EXRs: 1 RGB (the comp), 1 matte EXR with 2 matte > channels and another matte EXR with 2 additional matte channels. > > Larry, would you mind terribly boiler-plating some Python code on to create a > single EXR with subimage 0 is RGB and subimage 1 is > matte01,matte02,matte03,matte04 (ie combining the channels of the 2 matte > EXRs). > > Sorry for the lack of self sufficiency... > > Best, > Jerome > > > On Mon, Feb 21, 2022 at 4:38 PM Larry Gritz <l...@larrygritz.com > <mailto:l...@larrygritz.com>> wrote: > OpenEXR "parts" are not fully general implementations of multi-image files. > The parts need some attributes to be the same for all parts, and I think > displaywindow is one of them. > > My procrastination paid off! There is no way I would have guessed that was > your problem without the actual files you were using. > > -- lg > > >> On Feb 21, 2022, at 1:34 PM, Jerome Raim <jerome.r...@gmail.com >> <mailto:jerome.r...@gmail.com>> wrote: >> >> Did some more troubleshooting. >> out.open(out_filepath, (comp_buf.spec(), matte_buf.spec())) was returning >> False. >> >> So I printed out.geterror() and oiio flagged a displayWindow mismatch. >> >> So I'm on the road to figuring this out... >> >> >> On Mon, Feb 21, 2022 at 1:18 PM Jerome Raim <jerome.r...@gmail.com >> <mailto:jerome.r...@gmail.com>> wrote: >> Hi everyone, >> I'm sure it's just a syntax problem, but I'm unable to do the following: >> >> I have an {R,G,B} EXR and a {mattes.matte01, mattes.matte02} EXR. >> >> I want to create an EXR with 2 subimages. The RGB comp as img 0, the mattes >> as (sub) img 1. >> >> I have my comp_buf and my mattes_buf and trying something like: >> >> out_filepath = '/tmp/exr.rexr' >> out = ImageOutput.create (out_filepath) >> out.open(out_filepath, (comp_buf.spec(), matte_buf.spec())) >> >> comp.write(out) >> out.open(out_filepath, comp_buf.spec()) >> out.open(out_filepath, matte_buf.spec(), "AppendSubimage")) >> matte_buf.write(out) >> >> out.close() >> >> Weirdly, supports("appendsubimage") returns false on the EXR. Am I not >> declaring something properly? >> >> Best, >> Jerome >> >> >> _______________________________________________ >> Oiio-dev mailing list >> Oiio-dev@lists.openimageio.org <mailto:Oiio-dev@lists.openimageio.org> >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org> > > -- > Larry Gritz > l...@larrygritz.com <mailto:l...@larrygritz.com> > > > > > _______________________________________________ > Oiio-dev mailing list > Oiio-dev@lists.openimageio.org <mailto:Oiio-dev@lists.openimageio.org> > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org> > <multipart_exr_pkg.zip>_______________________________________________ > Oiio-dev mailing list > Oiio-dev@lists.openimageio.org > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org -- Larry Gritz l...@larrygritz.com
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