KelSolaar

from pprint import pprint

from colour import XYZ_to_CIECAM02, CIECAM02_VIEWING_CONDITIONS, sRGB_to_XYZ
from colour.models.deprecated import RGB_to_HSV

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 = CIECAM02_VIEWING_CONDITIONS['Average']

KelSolaar

import numpy as np

np.random.seed(64)

M_i = np.random.random((3, 3))

M_o = np.random.random((3, 3))

# M . M_i = M_o
# M . M_i . M_i^{-1} = M_o . M_i^{-1}

KelSolaar

import numpy as np
import colour

P_R = np.array([0.64, 0.33])
P_G = np.array([0.30, 0.60])
P_B = np.array([0.15, 0.06])

D65 = colour.xy_to_XYZ(colour.ILLUMINANTS['cie_2_1931']['D65'])
D50 = colour.xy_to_XYZ(colour.ILLUMINANTS['cie_2_1931']['D50'])
CAT = 'Bradford'

KelSolaar

set cut_paste_input [stack 0]
version 8.0 v1
Read {
 inputs 0
 file /Users/kelsolaar/Downloads/Pictures/SonyF35.StillLife.dpx
 format "1920 1080 0 0 1920 1080 1 HD"
 origset true
 version 2
 colorspace linear
 raw true

KelSolaar

KelSolaar

KelSolaar

set cut_paste_input [stack 0]
version 8.0 v1
Read {
 inputs 0
 file /Users/kelsolaar/Downloads/SonyF35.StillLife.dpx
 format "1920 1080 0 0 1920 1080 1 HD"
 origset true
 colorspace linear
 raw true
 timecode 02:14:20:19

KelSolaar

KelSolaar

import numpy as np
import colour

for c in sorted(colour.RGB_COLOURSPACES.values()):
    samples = np.linspace(0, 1, 1000)
    samples_tf = [c.transfer_function(sample) for sample in samples]
    samples_itf = [c.inverse_transfer_function(sample) for sample in samples_tf]
    try:
        np.testing.assert_almost_equal(samples, samples_itf, decimal=4)
    except:

KelSolaar