KelSolaar/colour-0.4.2-current-changes.md

## colour-0.4.2-current-changes.md

      
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              colour-0.4.2-current-changes.md
            
          
    Colour 0.4.2 - Alpha Milestone
Features
colour.appearance

Implement support for Hellwig and Fairchild (2022) Colour Appearance Model with colour.XYZ_to_Hellwig2022 and colour.Hellwig2022_to_XYZ definitions. (@KelSolaar)

colour.difference

Inmplement support for Recommendation ITU-R BT.2124 with colour.difference.delta_E_ITP definition. (@sabarish-srinivasan)

colour.io

Implement simple wrapper for the Color Transformation Language (CTL) with the colour.io.ctl_render and colour.io.process_image_ctl definitions. (@KelSolaar)

colour.temperature

Add new colour.temperature.CCT_to_uv_Ohno2013 definition. (@KelSolaar)

Performance

colour.temperature.uv_to_CCT_Ohno2013 definition isn ~100x faster. (@KelSolaar)
colour.temperature.CCT_to_uv_Ohno2013 definition is ~425x faster. (@KelSolaar)

Changes
colour.characterisation


Object
Signature
Author


colour.sd_to_aces_relative_exposure_values
sd_to_aces_relative_exposure_values(sd: SpectralDistribution, illuminant: Optional[SpectralDistribution] = None, chromatic_adaptation_transform: Optional[Union[Literal["Bianco 2010", "Bianco PC 2010", "Bradford", "CAT02 Brill 2008", "CAT02", "CAT16", "CMCCAT2000", "CMCCAT97", "Fairchild", "Sharp", "Von Kries", "XYZ Scaling", ], str, ]]= "CAT02") -> NDArray
@KelSolaar


colour.colorimetry

The CIE 2012 2 Degree Standard Observer and CIE 2012 10 Degree Standard Observer keys in the colour.MSDS_CMFS attribute have been renamed to CIE 2015 2 Degree Standard Observer and CIE 2015 10 Degree Standard Observer respectively for consistency with their official CIE names. (@KelSolaar)

colour.models


Object
Name
Author


colour.models.eotf_inverse_BT2020
oetf_BT2020
@KelSolaar, @fxthomas


colour.models.eotf_BT2020
oetf_inverse_BT2020
@KelSolaar, @fxthomas


colour.models.oetf_PQ_BT2100
oetf_BT2100_PQ
@KelSolaar


colour.models.oetf_inverse_PQ_BT2100
oetf_inverse_BT2100_PQ
...


colour.models.eotf_PQ_BT2100
eotf_BT2100_PQ
...


colour.models.eotf_inverse_PQ_BT2100
eotf_inverse_BT2100_PQ
...


colour.models.ootf_PQ_BT2100
ootf_BT2100_PQ
...


colour.models.ootf_inverse_PQ_BT2100
ootf_inverse_BT2100_PQ
...


colour.models.oetf_HLG_BT2100
oetf_BT2100_HLG
...


colour.models.oetf_inverse_HLG_BT2100
oetf_inverse_BT2100_HLG
...


colour.models.eotf_HLG_BT2100
eotf_BT2100_HLG
...


colour.models.eotf_inverse_HLG_BT2100
eotf_inverse_BT2100_HLG
...


colour.models.ootf_HLG_BT2100
ootf_BT2100_HLG
...


colour.models.ootf_inverse_HLG_BT2100
ootf_inverse_BT2100_HLG
...
Object	Name	Author
`colour.models.eotf_inverse_BT2020`	`oetf_BT2020`	@KelSolaar, @fxthomas
`colour.models.eotf_BT2020`	`oetf_inverse_BT2020`	@KelSolaar, @fxthomas
`colour.models.oetf_PQ_BT2100`	`oetf_BT2100_PQ`	@KelSolaar
`colour.models.oetf_inverse_PQ_BT2100`	`oetf_inverse_BT2100_PQ`	...
`colour.models.eotf_PQ_BT2100`	`eotf_BT2100_PQ`	...
`colour.models.eotf_inverse_PQ_BT2100`	`eotf_inverse_BT2100_PQ`	...
`colour.models.ootf_PQ_BT2100`	`ootf_BT2100_PQ`	...
`colour.models.ootf_inverse_PQ_BT2100`	`ootf_inverse_BT2100_PQ`	...
`colour.models.oetf_HLG_BT2100`	`oetf_BT2100_HLG`	...
`colour.models.oetf_inverse_HLG_BT2100`	`oetf_inverse_BT2100_HLG`	...
`colour.models.eotf_HLG_BT2100`	`eotf_BT2100_HLG`	...
`colour.models.eotf_inverse_HLG_BT2100`	`eotf_inverse_BT2100_HLG`	...
`colour.models.ootf_HLG_BT2100`	`ootf_BT2100_HLG`	...
`colour.models.ootf_inverse_HLG_BT2100`	`ootf_inverse_BT2100_HLG`	...