Ensure that "Automatic Colour Conversion Graph" uses Ohno (2013) CCT conversion.
@@ -53,7 +53,7 @@ from colour.appearance import (
CAM_Specification_CAM16, CAM16_to_XYZ, CAM_Specification_CIECAM02,
CIECAM02_to_XYZ, XYZ_to_ATD95, XYZ_to_CAM16, XYZ_to_CIECAM02, XYZ_to_Hunt,
XYZ_to_LLAB, XYZ_to_Nayatani95, XYZ_to_RLAB)
-from colour.temperature import CCT_to_uv, CCT_to_xy, uv_to_CCT, xy_to_CCT
+from colour.temperature import CCT_to_uv, uv_to_CCT
from colour.utilities import (domain_range_scale, filter_kwargs, message_box,
required, tsplit, tstack, usage_warning)
@@ -450,9 +450,7 @@ CONVERSION_SPECIFICATIONS_DATA = [
('Spectral Distribution', 'CQS', colour_quality_scale),
# Colour Temperature
('CCT', 'CIE UCS uv', CCT_to_uv),
- ('CCT', 'CIE xy', CCT_to_xy),
('CIE UCS uv', 'CCT', uv_to_CCT),
- ('CIE xy', 'CCT', xy_to_CCT),
# Advanced Colorimetry
('CIE XYZ', 'Hunt',
partial(
