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