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> 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
>
>
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--
Larry Gritz
l...@larrygritz.com
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