Standard Primaries {spacesRGB}

Standard Primaries

Description

xy Chromaticities for some standard primary sets. These include Red, Green, Blue, and White.

AP0_PRI	ACES Scene-Referred Primaries, from SMPTE ST2065-1
AP1_PRI	working space and rendering primaries for ACES 1.0
REC709_PRI	Rec.709 (aka BT.709) primaries
REC2020_PRI	Rec.2020 (aka BT.2020) primaries
P3D65_PRI	RGB primaries from DCI-P3, with D65 for the whitepoint
P3D60_PRI	RGB primaries from DCI-P3, with ACES whitepoint (approximately D60)
P3DCI_PRI	RGB primaries from DCI-P3, with DCI whitepoint

Details

All of these are built-in 4x2 matrices, with xy coordinates in the rows, and in RGBW order.

References

ST 2065-1:2012. SMPTE Standard - Academy Color Encoding Specification (ACES). 2013.

SMPTE Standard RP 431-2. D-Cinema Quality - Reference Projector and Environment for the Display of DCDM in Review Rooms and Theaters. 2011.

Wikipedia. DCI-P3. https://en.wikipedia.org/wiki/DCI-P3.

BT.709. Parameter values for the HDTV standards for production and international programme exchange. June 2015.

BT.2020. Parameter values for ultra-high definition television systems for production and international programme exchange. October 2015.

Examples

AP0_PRI
##          x        y
##  R 0.73470  0.26530
##  G 0.00000  1.00000
##  B 0.00010 -0.07700
##  W 0.32168  0.33767