message_box(
f'Converting to the "Output-Referred" "sRGB" colourspace from given '
f'"CAM16-UCS" colourspace colourspace values:\n\n\t{RGB}'
)
print(
colour.convert(
Jpapbp,
"CAM16UCS",
"sRGB",
verbose_kwargs={"describe": "Extended", "width": 75},
)
)
J, M, h = colour.utilities.tsplit(colour.CAM16UCS_to_JMh_CAM16(Jpapbp * 100))
specification = colour.CAM_Specification_CAM16(J=J, M=M, h=h)
print(
colour.XYZ_to_sRGB(
colour.CAM16_to_XYZ(
specification,
XYZ_w=colour.xy_to_XYZ(
colour.CCS_ILLUMINANTS["CIE 1931 2 Degree Standard Observer"][
"D65"
]
)
* 100,
L_A=64 / np.pi * 0.2,
Y_b=20,
)
/ 100
)
)
XYZ = np.array([19.01, 20.00, 21.78])
XYZ_w = np.array([95.05, 100.00, 108.88])
L_A = 318.31
Y_b = 20.0
surround = colour.CAM16_VIEWING_CONDITIONS['Average']
message_box(
('Converting to "CAM16" colour appearance model specification '
'using given parameters:\n'
'\n\tXYZ: {0}\n\tXYZ_w: {1}\n\tL_A: {2}\n\tY_b: {3}'
'\n\tSurround: {4}\n\n'
'Warning: The input domain of that definition is non standard!').format(
XYZ, XYZ_w, L_A, Y_b, surround))
specification = colour.XYZ_to_CAM16(XYZ, XYZ_w, L_A, Y_b, surround)
print(specification)
print('\n')
J = 41.73120791
C = 0.10335574
h = 217.06795977
specification = colour.CAM16_Specification(J, C, h)
message_box(
('Converting to "CIE XYZ" tristimulus values using given '
'parameters:\n'
'\n\tJ: {0}\n\tC: {1}\n\th: {2}\n\tXYZ_w: {3}\n\tL_A: {4}'
'\n\tY_b: {5}\n\n'
'Warning: The output range of that definition is non standard!').format(
J, C, h, XYZ_w, L_A, Y_b))
print(colour.CAM16_to_XYZ(specification, XYZ_w, L_A, Y_b))
colour.utilities.tstack([
specification.J,
specification.M,
specification.h,
])) / 100)
print('\n')
Jpapbp = np.array([0.39994811, 0.09206558, 0.0812752])
message_box(('Converting to "Output-Referred" "sRGB" colourspace from given '
'"CAM16-UCS" colourspace colourspace values:\n'
'\n\t{0}'.format(RGB)))
print(
colour.convert(Jpapbp,
'CAM16UCS',
'sRGB',
verbose_kwargs={
'describe': 'Extended',
'width': 75
}))
J, M, h = colour.utilities.tsplit(colour.CAM16UCS_to_JMh_CAM16(Jpapbp * 100))
specification = colour.CAM_Specification_CAM16(J=J, M=M, h=h)
print(
colour.XYZ_to_sRGB(
colour.CAM16_to_XYZ(
specification,
XYZ_w=colour.xy_to_XYZ(colour.CCS_ILLUMINANTS[
'CIE 1931 2 Degree Standard Observer']['D65']) * 100,
L_A=64 / np.pi * 0.2,
Y_b=20) / 100))
XYZ_w = np.array([95.05, 100.00, 108.88])
L_A = 318.31
Y_b = 20.0
surround = colour.VIEWING_CONDITIONS_CAM16["Average"]
message_box(f'Converting to the "CAM16" colour appearance model specification '
f"using given parameters:\n\n"
f"\tXYZ: {XYZ}\n"
f"\tXYZ_w: {XYZ_w}\n"
f"\tL_A: {L_A}\n"
f"\tY_b: {Y_b}\n"
f"\tSurround: {surround}")
specification = colour.XYZ_to_CAM16(XYZ, XYZ_w, L_A, Y_b, surround)
print(specification)
print("\n")
J = 41.73120791
C = 0.10335574
h = 217.06795977
specification = colour.CAM_Specification_CAM16(J, C, h)
message_box(
f'Converting to "CIE XYZ" tristimulus values using given parameters:\n\n'
f"\tJ: {J}\n"
f"\tC: {C}\n"
f"\th: {h}\n"
f"\tXYZ_w: {XYZ_w}\n"
f"\tL_A: {L_A}\n"
f"\tY_b: {Y_b}\n"
f"\tSurround: {surround}")
print(colour.CAM16_to_XYZ(specification, XYZ_w, L_A, Y_b, surround))