colour.models.dataset.rec_2020 Module¶

Rec. 2020 Colourspace¶

Defines the Rec. 2020 colourspace:

REC_2020_COLOURSPACE.

See also

References

[1]

International Telecommunication Union. (2014). Parameter values for ultra-high definition television systems for production and international programme exchange. In Recommendation ITU-R BT.2020 (Vol. 1, pp. 1–8). Retrieved from http://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.2020-1-201406-I!!PDF-E.pdf

colour.models.dataset.rec_2020.REC_2020_PRIMARIES = array([[ 0.708, 0.292], [ 0.17 , 0.797], [ 0.131, 0.046]])¶

Rec. 2020 colourspace primaries.

REC_2020_PRIMARIES : ndarray, (3, 2)

colour.models.dataset.rec_2020.REC_2020_ILLUMINANT = u'D65'¶

Rec. 2020 colourspace whitepoint name as illuminant.

REC_2020_ILLUMINANT : unicode

colour.models.dataset.rec_2020.REC_2020_WHITEPOINT = (0.31271, 0.32902)¶

Rec. 2020 colourspace whitepoint.

REC_2020_WHITEPOINT : tuple

colour.models.dataset.rec_2020.REC_2020_TO_XYZ_MATRIX = array([[ 6.36953507e-01, 1.44619185e-01, 1.68855854e-01], [ 2.62698339e-01, 6.78008766e-01, 5.92928953e-02], [ 4.99407097e-17, 2.80731358e-02, 1.06082723e+00]])¶

Rec. 2020 colourspace to CIE XYZ tristimulus values matrix.

REC_2020_TO_XYZ_MATRIX : array_like, (3, 3)

colour.models.dataset.rec_2020.XYZ_TO_REC_2020_MATRIX = array([[ 1.71666343, -0.35567332, -0.25336809], [-0.66667384, 1.61645574, 0.0157683 ], [ 0.01764248, -0.04277698, 0.94224328]])¶

CIE XYZ tristimulus values to Rec. 2020 colourspace matrix.

XYZ_TO_REC_2020_MATRIX : array_like, (3, 3)

colour.models.dataset.rec_2020.REC_2020_CONSTANTS = {'alpha': <function <lambda> at 0x2abef934ee60>, 'beta': <function <lambda> at 0x2abef934eed8>}¶

Rec. 2020 colourspace constants.

REC_2020_CONSTANTS : Structure

colour.models.dataset.rec_2020.REC_2020_TRANSFER_FUNCTION(value, is_10_bits_system=True)¶

Transfer function from linear to Rec. 2020 colourspace.

REC_2020_TRANSFER_FUNCTION : object

colour.models.dataset.rec_2020.REC_2020_INVERSE_TRANSFER_FUNCTION(value, is_10_bits_system=True)¶

Inverse transfer function from Rec. 2020 colourspace to linear.

REC_2020_INVERSE_TRANSFER_FUNCTION : object

colour.models.dataset.rec_2020.REC_2020_COLOURSPACE = <colour.models.rgb.RGB_Colourspace object at 0x2abef9356990>¶

Rec. 2020 colourspace.

REC_2020_COLOURSPACE : RGB_Colourspace