HP, did you happen to get a chance to look this over or try it out?
-- lg
> On Oct 21, 2019, at 10:33 PM, Larry Gritz <l...@larrygritz.com> wrote:
>
> Proposed fix here: https://github.com/OpenImageIO/oiio/pull/2371
> <https://github.com/OpenImageIO/oiio/pull/2371>
>
> That's versus master. Can you test there, HP? I'll backport to a 2.0 release
> once confirmed that it looks good from your end.
>
> -- lg
>
>
>> On Oct 21, 2019, at 12:24 PM, Larry Gritz <l...@larrygritz.com
>> <mailto:l...@larrygritz.com>> wrote:
>>
>> Oh my, you are right about the inverse. In fact, at an internal place I had
>> reversed the order of the inverse and unpremult parameters as passed by
>> python. Also had called it "invert" in some places instead of the correct
>> "inverse".
>>
>> I will have a patch forthcoming as soon as I also fix the other thing you
>> report, which is that for filetransform, there is no need to issue an error
>> message for missing config.
>>
>> -- lg
>>
>>
>>> On Oct 16, 2019, at 7:27 PM, Haarm-Pieter Duiker <l...@duikerresearch.com
>>> <mailto:l...@duikerresearch.com>> wrote:
>>>
>>> Hello,
>>>
>>> I'm running into what appears to be a regression. The ImageBufAlgo
>>> ociotransform used to work with only a LUT specified. It now seems to
>>> require that the OCIO environment variable points to a valid config, even
>>> if the LUT has nothing to do with the specified config. This issue shows up
>>> when using that operation from the oiiotool command line or via the Python
>>> bindings.
>>>
>>> Secondarily, the invert options does seem to work for the Python bindings
>>> of the ociotransform operation. It works when called from oiiotool, so the
>>> problem would seem to be isolated to the Python bindings.
>>>
>>> Results and reproduction notes below.
>>>
>>> Does this sound familiar to anyone? Any help would be appreciated,
>>> HP
>>>
>>>
>>> export OCIO_LOGGING_LEVEL=debug
>>>
>>> # This breaks
>>> oiiotool test.exr --ociofiletransform /full/path/to/lut.csp -o test_lut.exr
>>> [OpenColorIO Info]: Color management disabled. (Specify the $OCIO
>>> environment variable to enable.)
>>> [OpenColorIO Debug]: This .ocio config has no environment section defined.
>>> The default behaviour is to load all environment variables (0), which
>>> reduces the efficiency of OCIO's caching. Considering predefining the
>>> environment variables used.
>>> oiiotool ERROR: ociofiletransform : Could not construct the color transform
>>> Full command line was:
>>> > oiiotool test.exr --ociofiletransform /full/path/to/lut.csp -o
>>> > test_lut.exr
>>>
>>> # Now set OCIO to something
>>> export
>>> OCIO=/path/to/Nuke12.0v1.app/Contents/Resources/OCIOConfigs/configs/aces_1.1/config.ocio
>>>
>>> # This works
>>> oiiotool test.exr --ociofiletransform /full/path/to/lut.csp -o test_lut.exr
>>> [OpenColorIO Debug]: This .ocio config
>>> '/path/to/Nuke12.0v1.app/Contents/Resources/OCIOConfigs/configs/aces_1.1/config.ocio'
>>> has no environment section defined. The default behaviour is to load all
>>> environment variables (0), which reduces the efficiency of OCIO's caching.
>>> Considering predefining the environment variables used.
>>> [OpenColorIO Debug]: Opening /full/path/to/lut.csp
>>> [OpenColorIO Debug]: Loaded primary format cinespace
>>> [OpenColorIO Debug]: GPU Ops: Pre-3DLUT
>>> [OpenColorIO Debug]: GPU Ops: 3DLUT
>>> [OpenColorIO Debug]: Optimizing Op Vec...
>>> [OpenColorIO Debug]: Op 0: <FileNoOp> supports_gpu:1
>>> [OpenColorIO Debug]: Op 1: <Lut1DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Op 2: <Lut3DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Optimized 3->2, 1 passes, 1 noops removed, 0 inverse
>>> ops removed
>>> [OpenColorIO Debug]: 0 ops combines
>>> [OpenColorIO Debug]: Op 0: <Lut1DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Op 1: <Lut3DOp> supports_gpu:0
>>> [OpenColorIO Debug]: GPU Ops: Post-3DLUT
>>> [OpenColorIO Debug]: CPU Ops
>>> [OpenColorIO Debug]: Optimizing Op Vec...
>>> [OpenColorIO Debug]: Op 0: <FileNoOp> supports_gpu:1
>>> [OpenColorIO Debug]: Op 1: <Lut1DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Op 2: <Lut3DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Optimized 3->2, 1 passes, 1 noops removed, 0 inverse
>>> ops removed
>>> [OpenColorIO Debug]: 0 ops combines
>>> [OpenColorIO Debug]: Op 0: <Lut1DOp> supports_gpu:0
>>> [OpenColorIO Debug]: Op 1: <Lut3DOp> supports_gpu:0
>>>
>>>
>>> Tested with
>>> OpenImageIO.VERSION = 10813
>>> OpenImageIO.VERSION = 20008L
>>>
>>> opencolorio-1.1.0
>>>
>>> https://github.com/OpenImageIO/oiio/blob/master/src/libOpenImageIO/color_ocio.cpp#L281
>>>
>>> <https://github.com/OpenImageIO/oiio/blob/master/src/libOpenImageIO/color_ocio.cpp#L281>
>>> https://github.com/OpenImageIO/oiio/blame/d71ac830c966fcc2bc05349e1eebc0b883a352f3/src/libOpenImageIO/color_ocio.cpp#L281
>>>
>>> <https://github.com/OpenImageIO/oiio/blame/d71ac830c966fcc2bc05349e1eebc0b883a352f3/src/libOpenImageIO/color_ocio.cpp#L281>
>>>
>>>
>>>
>>> Example script that exercises the functionality
>>> https://github.com/hpd/general/blob/master/hdr/python/mkhdr.py
>>> <https://github.com/hpd/general/blob/master/hdr/python/mkhdr.py>
>>>
>>> Example lut
>>> https://github.com/hpd/general/blob/master/hdr/curves/thetas.spi1d
>>> <https://github.com/hpd/general/blob/master/hdr/curves/thetas.spi1d>
>>>
>>> Example command line
>>> python mkhdr.py -r /path/to/thetas.spi1d —I /path/to/a.jpg -o
>>> /path/to/b.exr -b 0
>>>
>>>
>>>
>>> _______________________________________________
>>> 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>
>>
>>
>>
>>
>> _______________________________________________
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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
>
> --
> Larry Gritz
> l...@larrygritz.com <mailto:l...@larrygritz.com>
>
>
>
>
> _______________________________________________
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> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
--
Larry Gritz
l...@larrygritz.com
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