colour.models.rgb.transfer_functions.dci_p3 Module

DCI-P3 Colourspace

Defines the DCI-P3 colourspace opto-electrical transfer function (OETF / OECF) and electro-optical transfer function (EOTF / EOCF):

See also

RGB Colourspaces IPython Notebook

References

[1]Digital Cinema Initiatives. (2007). Digital Cinema System Specification - Version 1.1. Retrieved from http://www.dcimovies.com/archives/spec_v1_1/DCI_DCinema_System_Spec_v1_1.pdf
colour.models.rgb.transfer_functions.dci_p3.oetf_DCIP3(XYZ)[source]

Defines the DCI-P3 colourspace opto-electronic transfer function (OETF / OECF).

Parameters:XYZ (numeric or array_like) – CIE XYZ tristimulus values.
Returns:Non-linear CIE XYZ’ tristimulus values.
Return type:numeric or ndarray

Examples

>>> oetf_DCIP3(0.18)  
461.9922059...
colour.models.rgb.transfer_functions.dci_p3.eotf_DCIP3(XYZ_p)[source]

Defines the DCI-P3 colourspace electro-optical transfer function (EOTF / EOCF).

Parameters:XYZ_p (numeric or array_like) – Non-linear CIE XYZ’ tristimulus values.
Returns:CIE XYZ tristimulus values.
Return type:numeric or ndarray

Examples

>>> eotf_DCIP3(461.99220597484737)  
0.18...