Display CIE color diagram with pixels overlaid onto it.

The filter accepts the following options:

system

Set color system.

• ntsc, 470m
• ebu, 470bg
• smpte
• 240m
• apple
• widergb
• cie1931
• rec709, hdtv
• uhdtv, rec2020

cie

Set CIE system.

• xyy
• ucs
• luv

gamuts

Set what gamuts to draw.

See system option for available values.

size, s

Set ciescope size, by default set to 512.

intensity, i

Set intensity used to map input pixel values to CIE diagram.

contrast

Set contrast used to draw tongue colors that are out of active color system gamut.

corrgamma

Correct gamma displayed on scope, by default enabled.

showwhite

Show white point on CIE diagram, by default disabled.

gamma

Set input gamma. Used only with XYZ input color space.