https://github.com/OpenImageIO/oiio/pull/2844 <https://github.com/OpenImageIO/oiio/pull/2844>
> On Jan 27, 2021, at 10:11 AM, Daniel Flehner Heen <flehnerhee...@gmail.com> > wrote: > > Haha, ok. Thanks! > > On Wed, Jan 27, 2021, 18:55 Larry Gritz <l...@larrygritz.com > <mailto:l...@larrygritz.com>> wrote: > No, I'll submit a PR right away, there's no need for a separate issue. > > Withhold judgment on my need to apologize until you see just how stupid this > bug is. :-) > > -- lg > >> On Jan 27, 2021, at 9:19 AM, Daniel Flehner Heen <flehnerhee...@gmail.com >> <mailto:flehnerhee...@gmail.com>> wrote: >> >> Thank you so much! >> That's actually a relief. >> Do you want me to submit an issue on GitHub? >> >> And you of all persons should never have to apologize :) >> >> Thanks again, >> >> On Wed, Jan 27, 2021, 18:06 Larry Gritz <l...@larrygritz.com >> <mailto:l...@larrygritz.com>> wrote: >> No, dammit, there's a dumb bug. I will post a fix this morning. >> >> Sorry about that. >> >> -- lg >> >> >>> On Jan 27, 2021, at 5:51 AM, Daniel Flehner Heen <flehnerhee...@gmail.com >>> <mailto:flehnerhee...@gmail.com>> wrote: >>> >>> Hi! >>> >>> I'm attempting to implement the use of ImageBufAlgo.ociolook(), but keep >>> getting an error message "3D Luts can only be applied in the forward >>> direction. (inverse) specified." even if I provide "inverse=False" >>> oiio.ImageBufAlgo.ociolook( >>> buf, >>> buf, >>> "Twin", >>> "acescg", >>> "out_rec709", >>> inverse=False, >>> colorconfig=ocio_path, >>> roi=roi >>> ) >>> Am I misunderstanding what the inverse argument is used for? >>> >>> The look definition in the config.ocio file: >>> - !<Look> >>> name: Twin >>> process_space: ACES - ACES2065-1 >>> transform: !<GroupTransform> >>> children: >>> - !<ColorSpaceTransform> {src: ACES - ACES2065-1, dst: AlexaV3LogC} >>> - !<FileTransform> {src: twin_FC5213normal_v4.cube, interpolation: >>> linear} >>> - !<ColorSpaceTransform> {src: Output - Rec.709, dst: ACES - >>> ACES2065-1} >>> >>> If I provide anything in inverse_transform like: >>> inverse_transform: !<ColorSpaceTransform> {src: Output - Rec.709, dst: ACES >>> - ACES2065-1} >>> to the config, ImageBufAlgo.ociolook() stops complaining, but only applies >>> the transform inversed no matter what the inverse argument in ociolook says. >>> >>> I confirmed this by applying the same look in Nuke and setting it to >>> inverse. >>> >>> So it seems ociolook() only favors inverse for some reason. >>> Does anyone else have any experience with this? >>> >>> oiio2.2.10.0 >>> ocio1.1.1 >>> >>> -- >>> >>> -Daniel >>> _______________________________________________ >>> 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> >> _______________________________________________ >> 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> > _______________________________________________ > 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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