colour.models.dataset.rec_709 Module

Rec. 709 Colourspace

Defines the Rec. 709 colourspace:

• REC_709_COLOURSPACE.

See also

RGB Colourspaces IPython Notebook

References

[1]

International Telecommunication Union. (2002). Parameter values for the HDTV standards for production and international programme exchange BT Series Broadcasting service. In Recommendation ITU-R BT.709-5 (Vol. 5, pp. 1–32). Retrieved from http://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.709-5-200204-I!!PDF-E.pdf

colour.models.dataset.rec_709.REC_709_PRIMARIES = array([[ 0.64, 0.33], [ 0.3 , 0.6 ], [ 0.15, 0.06]])

Rec. 709 colourspace primaries.

REC_709_PRIMARIES : ndarray, (3, 2)

colour.models.dataset.rec_709.REC_709_WHITEPOINT = (0.31271, 0.32902)

Rec. 709 colourspace whitepoint.

REC_709_WHITEPOINT : tuple

colour.models.dataset.rec_709.REC_709_ILLUMINANT = u'D65'

Rec. 709 colourspace whitepoint name as illuminant.

REC_709_ILLUMINANT : unicode

colour.models.dataset.rec_709.REC_709_TO_XYZ_MATRIX = array([[ 0.41238656, 0.35759149, 0.18045049], [ 0.21263682, 0.71518298, 0.0721802 ], [ 0.01933062, 0.11919716, 0.95037259]])

Rec. 709 colourspace to CIE XYZ tristimulus values matrix.

REC_709_TO_XYZ_MATRIX : array_like, (3, 3)

colour.models.dataset.rec_709.XYZ_TO_REC_709_MATRIX = array([[ 3.24100326, -1.53739899, -0.49861587], [-0.96922426, 1.87592999, 0.04155422], [ 0.05563942, -0.2040112 , 1.05714897]])

CIE XYZ tristimulus values to Rec. 709 colourspace matrix.

XYZ_TO_REC_709_MATRIX : array_like, (3, 3)

colour.models.dataset.rec_709.REC_709_OECF(value)

Opto-electronic conversion function of Rec. 709 colourspace.

REC_709_OECF : object

colour.models.dataset.rec_709.REC_709_EOCF(value)

Electro-optical conversion function of Rec. 709 colourspace.

REC_709_EOCF : object

Warning

Recommendation ITU-R BT.709-5 doesn’t specify an electro-optical conversion function. This definition is used for symmetry in unit tests and other computations but should not be used as an EOCF for Rec. 709 colourspace!

colour.models.dataset.rec_709.REC_709_COLOURSPACE = <colour.models.rgb.RGB_Colourspace object>

Rec. 709 colourspace.

REC_709_COLOURSPACE : RGB_Colourspace