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Whitepoint.nk
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set cut_paste_input [stack 0]
push $cut_paste_input
Group {
name Whitepoint
help "Uses chromatic adaptation to calculate a 3x3 matrix to convert from one whitepoint to another."
tile_color 0xf9eddaff
label "\[if \{\[value invert]\} \{return \"\[value dst_wp_name] to \[value src_wp_name]\"\} else \{return \"\[value src_wp_name] to \[value dst_wp_name]\"\}]"
addUserKnob {20 Whitepoint_tab l "Whitepoint"}
addUserKnob {26 choose_gamut_label l " " t "Input gamut must be known so that chromatic adaptation can be applied correctly in CIE XYZ colorspace." -STARTLINE T "Choose input gamut"}
addUserKnob {41 gamut l "" t "Input gamut must be known so that chromatic adaptation can be applied correctly in CIE XYZ colorspace." -STARTLINE T GamutToXYZ.gamut}
addUserKnob {26 ""}
addUserKnob {35 src_wp_presets l preset t "Source whitepoint" M {whitepoint/DCI-P3 "knobs this \{src_xy \{0.314 0.351\} src_wp_name \"DCI-P3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D50 - 5003k - Horizon Light" "knobs this \{src_xy \{0.3457 0.3585\} src_wp_name \"D50\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/ICC D50" "knobs this \{src_xy \{0.345702914918791 0.358538596679933\} src_wp_name \"ICC D50\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D55 - 5503k - Mid-morning / Mid-afternoon Daylight" "knobs this \{src_xy \{0.33243 0.34744\} src_wp_name \"D55\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/D60 "knobs this \{src_xy \{0.32162624 0.337737\} src_wp_name \"D60\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/ACES "knobs this \{src_xy \{0.32168 0.33767\} src_wp_name \"ACES\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D65 - 6504k - Noon Daylight: Television, sRGB color space" "knobs this \{src_xy \{0.3127 0.329\} src_wp_name \"D65\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D75 - 7504k - North sky Daylight" "knobs this \{src_xy \{0.29903 0.31488\} src_wp_name \"D75\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D93 - 9300k" "knobs this \{src_xy \{0.283 0.297\} src_wp_name \"D93\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/A - 2856k - Incandescent / Tungsten" "knobs this \{src_xy \{0.44757 0.40745\} src_wp_name \"A\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/B - 4874k - Direct sunlight at noon (deprecated)" "knobs this \{src_xy \{0.34842 0.35161\} src_wp_name \"B\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/C - 6774k - Average / North sky Daylight (deprecated)" "knobs this \{src_xy \{0.31006 0.31616\} src_wp_name \"C\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/E - 5454k - Equal energy" "knobs this \{src_xy \{0.333333333333 0.333333333333\} src_wp_name \"E\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL1 - 6430k - Daylight Fluorescent" "knobs this \{src_xy \{0.3131 0.3371\} src_wp_name \"FL1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL2 - 4230k - Cool White Fluorescent" "knobs this \{src_xy \{0.3721 0.3751\} src_wp_name \"FL2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL3 - 3450k - White Fluorescent" "knobs this \{src_xy \{0.4091 0.3941\} src_wp_name \"FL3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL4 - 2940k - Warm White Fluorescent" "knobs this \{src_xy \{0.4402 0.4031\} src_wp_name \"FL4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL5 - 6350k - Daylight Fluorescent" "knobs this \{src_xy \{0.3138 0.3452\} src_wp_name \"FL5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL6 - 4150k - Lite White Fluorescent" "knobs this \{src_xy \{0.3779 0.3882\} src_wp_name \"FL6\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL7 - 6500k - D65 simulator, Daylight simulator" "knobs this \{src_xy \{0.3129 0.3292\} src_wp_name \"FL7\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL8 - 5000k - D50 simulator, Sylvania F40 Design 50" "knobs this \{src_xy \{0.3458 0.3586\} src_wp_name \"FL8\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL9 - 4150k - Cool White Deluxe Fluorescent" "knobs this \{src_xy \{0.3741 0.3727\} src_wp_name \"FL9\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL10 - 5000k - Philips TL85, Ultralume 50" "knobs this \{src_xy \{0.3458 0.3588\} src_wp_name \"FL10\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL11 - 4000k - Philips TL84, Ultralume 40" "knobs this \{src_xy \{0.3805 0.3769\} src_wp_name \"FL11\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL12 - 3000k - Philips TL83, Ultralume 30" "knobs this \{src_xy \{0.437 0.4042\} src_wp_name \"FL12\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.1 "knobs this \{src_xy \{0.4407 0.4033\} src_wp_name \"FL3.1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.2 "knobs this \{src_xy \{0.3808 0.3734\} src_wp_name \"FL3.2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.3 "knobs this \{src_xy \{0.3153 0.3439\} src_wp_name \"FL3.3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.4 "knobs this \{src_xy \{0.4429 0.4043\} src_wp_name \"FL3.4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.5 "knobs this \{src_xy \{0.3749 0.3672\} src_wp_name \"FL3.5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.6 "knobs this \{src_xy \{0.3488 0.36\} src_wp_name \"FL3.6\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.7 "knobs this \{src_xy \{0.4384 0.4045\} src_wp_name \"FL3.7\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.8 "knobs this \{src_xy \{0.382 0.3832\} src_wp_name \"FL3.8\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.9 "knobs this \{src_xy \{0.3499 0.3591\} src_wp_name \"FL3.9\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.10 "knobs this \{src_xy \{0.3455 0.356\} src_wp_name \"FL3.10\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.11 "knobs this \{src_xy \{0.3245 0.3434\} src_wp_name \"FL3.11\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.12 "knobs this \{src_xy \{0.4377 0.4037\} src_wp_name \"FL3.12\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.13 "knobs this \{src_xy \{0.383 0.3724\} src_wp_name \"FL3.13\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.14 "knobs this \{src_xy \{0.3447 0.3609\} src_wp_name \"FL3.14\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.15 "knobs this \{src_xy \{0.3127 0.3288\} src_wp_name \"FL3.15\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP1 - standard high pressure sodium lamp" "knobs this \{src_xy \{0.533 0.415\} src_wp_name \"HP1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP2 - colour enhanced high pressure sodium lamp" "knobs this \{src_xy \{0.4778 0.4158\} src_wp_name \"HP2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP3 - high pressure metal halide lamp" "knobs this \{src_xy \{0.4302 0.4075\} src_wp_name \"HP3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP4 - high pressure metal halide lamp" "knobs this \{src_xy \{0.3812 0.3797\} src_wp_name \"HP4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP5 - high pressure metal halide lamp" "knobs this \{src_xy \{0.3776 0.3713\} src_wp_name \"HP5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B1 - 2733k - phosphor-converted blue" "knobs this \{src_xy \{0.45600 0.40780\} src_wp_name \"LED-B1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B2 - 2998k - phosphor-converted blue" "knobs this \{src_xy \{0.43570 0.40120\} src_wp_name \"LED-B2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B3 - 4103k - phosphor-converted blue" "knobs this \{src_xy \{0.37560 0.37230\} src_wp_name \"LED-B3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B4 - 5109k - phosphor-converted blue" "knobs this \{src_xy \{0.34220 0.35020\} src_wp_name \"LED-B4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B5 - 6598k - phosphor-converted blue" "knobs this \{src_xy \{0.31180 0.32360\} src_wp_name \"LED-B5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-BH1 - 2851k - mixing of phosphor-converted blue LED and red LED (blue-hybrid)" "knobs this \{src_xy \{0.44740 0.40660\} src_wp_name \"LED-BH1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-RGB1 - 2840k - mixing of red, green, and blue LEDs" "knobs this \{src_xy \{0.45570 0.42110\} src_wp_name \"LED-RGB1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-V1 - 2724k - phosphor-converted violet" "knobs this \{src_xy \{0.45600 0.45480\} src_wp_name \"LED-V1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-V2 - 4070k - phosphor-converted violet" "knobs this \{src_xy \{0.37810 0.37750\} src_wp_name \"LED-V2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()"}}
addUserKnob {35 dst_wp_presets l " preset" t "Destination Whitepoint" -STARTLINE M {whitepoint/DCI-P3 "knobs this \{dst_xy \{0.314 0.351\} dst_wp_name \"DCI-P3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D50 - 5003k - Horizon Light" "knobs this \{dst_xy \{0.3457 0.3585\} dst_wp_name \"D50\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/ICC D50" "knobs this \{dst_xy \{0.345702914918791 0.358538596679933\} dst_wp_name \"ICC D50\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D55 - 5503k - Mid-morning / Mid-afternoon Daylight" "knobs this \{dst_xy \{0.33243 0.34744\} dst_wp_name \"D55\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/D60 "knobs this \{dst_xy \{0.32162624 0.337737\} dst_wp_name \"D60\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/ACES "knobs this \{dst_xy \{0.32168 0.33767\} dst_wp_name \"ACES\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D65 - 6504k - Noon Daylight: Television, sRGB color space" "knobs this \{dst_xy \{0.3127 0.329\} dst_wp_name \"D65\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D75 - 7504k - North sky Daylight" "knobs this \{dst_xy \{0.29903 0.31488\} dst_wp_name \"D75\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/D93 - 9300k" "knobs this \{dst_xy \{0.283 0.297\} dst_wp_name \"D93\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/A - 2856k - Incandescent / Tungsten" "knobs this \{dst_xy \{0.44757 0.40745\} dst_wp_name \"A\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/B - 4874k - Direct sunlight at noon (deprecated)" "knobs this \{dst_xy \{0.34842 0.35161\} dst_wp_name \"B\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/C - 6774k - Average / North sky Daylight (deprecated)" "knobs this \{dst_xy \{0.31006 0.31616\} dst_wp_name \"C\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/E - 5454k - Equal energy" "knobs this \{dst_xy \{0.333333333333 0.333333333333\} dst_wp_name \"E\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL1 - 6430k - Daylight Fluorescent" "knobs this \{dst_xy \{0.3131 0.3371\} dst_wp_name \"FL1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL2 - 4230k - Cool White Fluorescent" "knobs this \{dst_xy \{0.3721 0.3751\} dst_wp_name \"FL2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL3 - 3450k - White Fluorescent" "knobs this \{dst_xy \{0.4091 0.3941\} dst_wp_name \"FL3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL4 - 2940k - Warm White Fluorescent" "knobs this \{dst_xy \{0.4402 0.4031\} dst_wp_name \"FL4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL5 - 6350k - Daylight Fluorescent" "knobs this \{dst_xy \{0.3138 0.3452\} dst_wp_name \"FL5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL6 - 4150k - Lite White Fluorescent" "knobs this \{dst_xy \{0.3779 0.3882\} dst_wp_name \"FL6\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL7 - 6500k - D65 simulator, Daylight simulator" "knobs this \{dst_xy \{0.3129 0.3292\} dst_wp_name \"FL7\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL8 - 5000k - D50 simulator, Sylvania F40 Design 50" "knobs this \{dst_xy \{0.3458 0.3586\} dst_wp_name \"FL8\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL9 - 4150k - Cool White Deluxe Fluorescent" "knobs this \{dst_xy \{0.3741 0.3727\} dst_wp_name \"FL9\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL10 - 5000k - Philips TL85, Ultralume 50" "knobs this \{dst_xy \{0.3458 0.3588\} dst_wp_name \"FL10\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL11 - 4000k - Philips TL84, Ultralume 40" "knobs this \{dst_xy \{0.3805 0.3769\} dst_wp_name \"FL11\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/FL12 - 3000k - Philips TL83, Ultralume 30" "knobs this \{dst_xy \{0.437 0.4042\} dst_wp_name \"FL12\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.1 "knobs this \{dst_xy \{0.4407 0.4033\} dst_wp_name \"FL3.1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.2 "knobs this \{dst_xy \{0.3808 0.3734\} dst_wp_name \"FL3.2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.3 "knobs this \{dst_xy \{0.3153 0.3439\} dst_wp_name \"FL3.3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.4 "knobs this \{dst_xy \{0.4429 0.4043\} dst_wp_name \"FL3.4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.5 "knobs this \{dst_xy \{0.3749 0.3672\} dst_wp_name \"FL3.5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.6 "knobs this \{dst_xy \{0.3488 0.36\} dst_wp_name \"FL3.6\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.7 "knobs this \{dst_xy \{0.4384 0.4045\} dst_wp_name \"FL3.7\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.8 "knobs this \{dst_xy \{0.382 0.3832\} dst_wp_name \"FL3.8\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.9 "knobs this \{dst_xy \{0.3499 0.3591\} dst_wp_name \"FL3.9\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.10 "knobs this \{dst_xy \{0.3455 0.356\} dst_wp_name \"FL3.10\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.11 "knobs this \{dst_xy \{0.3245 0.3434\} dst_wp_name \"FL3.11\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.12 "knobs this \{dst_xy \{0.4377 0.4037\} dst_wp_name \"FL3.12\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.13 "knobs this \{dst_xy \{0.383 0.3724\} dst_wp_name \"FL3.13\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.14 "knobs this \{dst_xy \{0.3447 0.3609\} dst_wp_name \"FL3.14\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" whitepoint/FL3.15 "knobs this \{dst_xy \{0.3127 0.3288\} dst_wp_name \"FL3.15\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP1 - standard high pressure sodium lamp" "knobs this \{dst_xy \{0.533 0.415\} dst_wp_name \"HP1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP2 - colour enhanced high pressure sodium lamp" "knobs this \{dst_xy \{0.4778 0.4158\} dst_wp_name \"HP2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP3 - high pressure metal halide lamp" "knobs this \{dst_xy \{0.4302 0.4075\} dst_wp_name \"HP3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP4 - high pressure metal halide lamp" "knobs this \{dst_xy \{0.3812 0.3797\} dst_wp_name \"HP4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/HP5 - high pressure metal halide lamp" "knobs this \{dst_xy \{0.3776 0.3713\} dst_wp_name \"HP5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B1 - 2733k - phosphor-converted blue" "knobs this \{dst_xy \{0.45600 0.40780\} dst_wp_name \"LED-B1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B2 - 2998k - phosphor-converted blue" "knobs this \{dst_xy \{0.43570 0.40120\} dst_wp_name \"LED-B2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B3 - 4103k - phosphor-converted blue" "knobs this \{dst_xy \{0.37560 0.37230\} dst_wp_name \"LED-B3\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B4 - 5109k - phosphor-converted blue" "knobs this \{dst_xy \{0.34220 0.35020\} dst_wp_name \"LED-B4\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-B5 - 6598k - phosphor-converted blue" "knobs this \{dst_xy \{0.31180 0.32360\} dst_wp_name \"LED-B5\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-BH1 - 2851k - mixing of phosphor-converted blue LED and red LED (blue-hybrid)" "knobs this \{dst_xy \{0.44740 0.40660\} dst_wp_name \"LED-BH1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-RGB1 - 2840k - mixing of red, green, and blue LEDs" "knobs this \{dst_xy \{0.45570 0.42110\} dst_wp_name \"LED-RGB1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-V1 - 2724k - phosphor-converted violet" "knobs this \{dst_xy \{0.45600 0.45480\} dst_wp_name \"LED-V1\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()" "whitepoint/LED-V2 - 4070k - phosphor-converted violet" "knobs this \{dst_xy \{0.37810 0.37750\} dst_wp_name \"LED-V2\"\}; python -exec nuke.thisNode().knob('calculate_matrix').execute()"}}
addUserKnob {26 colorspace_chromaticities_label l " " T "<b>SRC Whitepoint DST Whitepoint</b>"}
addUserKnob {12 src_xy l " " t "Whitepoint xy chromaticity coordinates in CIE 1931 colorspace."}
addUserKnob {12 dst_xy l "" t "Destination whitepoint" -STARTLINE}
addUserKnob {1 src_wp_name l src +DISABLED}
addUserKnob {1 dst_wp_name l dst -STARTLINE +DISABLED}
addUserKnob {26 sample_label l " " T "<b>Sample Input Pixels"}
addUserKnob {22 calculate_sample l Sample t "Sample average color in selected area of the viewer as a chromaticity coordinate, and populate the src whitepoint. \n\nMake sure to set the color gamut of the input pixels before sampling." -STARTLINE T "node = nuke.thisNode()\nnuke.root().begin()\n\n# Get viewer and connected node to calculate format resolution\nviewer = nuke.activeViewer().node()\nif viewer.input(0):\n viewed_node = viewer.input(0)\n if not nuke.selectedNodes():\n viewed_node.setSelected(1)\nelse:\n viewed_node = nuke.activeViewer().node()\n\n# Get selected sample area\nbboxinfo = nuke.activeViewer().node()\['colour_sample_bbox'].value()\naspect = float(viewed_node.width() * viewed_node.pixelAspect()) / float(viewed_node.height())\ncornerA = \[(bboxinfo\[0]*0.5+0.5) * viewed_node.width(), (((bboxinfo\[1] * 0.5) + (0.5/aspect)) * aspect) * viewed_node.height()]\ncornerB = \[(bboxinfo\[2]*0.5+0.5) * viewed_node.width(), (((bboxinfo\[3] * 0.5) + (0.5/aspect)) * aspect) * viewed_node.height()]\narea = \[cornerB\[0] - cornerA\[0], cornerB\[1] - cornerA\[1]]\ncenter = \[cornerA\[0] + (area\[0]/2), cornerA\[1] + (area\[1] / 2)]\n\n# Sample input colors within box\nnode.begin()\nYxy = nuke.toNode('Yxy')\ncolor_sample = \[Yxy.sample('rgba.green', center\[0], center\[1], area\[0], area\[1]), Yxy.sample('rgba.blue', center\[0], center\[1], area\[0], area\[1])]\n\n# Set white to sampled xy value\nnode\['src_xy'].setValue(color_sample)\nnode\['src_wp_name'].setValue('sampled')\nnuke.root().begin()"}
addUserKnob {26 ""}
addUserKnob {26 blackbody_label l " " T "<b>Color Temperature"}
addUserKnob {7 temp t "Color temperature in Kelvin" R 1500 9300}
temp 5500
addUserKnob {22 calculate_blackbody l Calculate t "Calculate the xy chromaticity coordinates of the specified blackbody color tempurature." T "import nuke\nimport math\n\nfloat3 = nuke.math.Vector3\n\n\n# 360nm to 830nm in 5nm increments \nCIE1931StdObs_x = \[\n 0.000129900000, 0.000232100000, 0.000414900000, 0.000741600000, 0.001368000000, 0.002236000000,\n 0.004243000000, 0.007650000000, 0.014310000000, 0.023190000000, 0.043510000000, 0.077630000000, 0.134380000000, 0.214770000000, 0.283900000000, 0.328500000000,\n 0.348280000000, 0.348060000000, 0.336200000000, 0.318700000000, 0.290800000000, 0.251100000000, 0.195360000000, 0.142100000000, 0.095640000000, 0.057950010000,\n 0.032010000000, 0.014700000000, 0.004900000000, 0.002400000000, 0.009300000000, 0.029100000000, 0.063270000000, 0.109600000000, 0.165500000000, 0.225749900000,\n 0.290400000000, 0.359700000000, 0.433449900000, 0.512050100000, 0.594500000000, 0.678400000000, 0.762100000000, 0.842500000000, 0.916300000000, 0.978600000000,\n 1.026300000000, 1.056700000000, 1.062200000000, 1.045600000000, 1.002600000000, 0.938400000000, 0.854449900000, 0.751400000000, 0.642400000000, 0.541900000000,\n 0.447900000000, 0.360800000000, 0.283500000000, 0.218700000000, 0.164900000000, 0.121200000000, 0.087400000000, 0.063600000000, 0.046770000000, 0.032900000000,\n 0.022700000000, 0.015840000000, 0.011359160000, 0.008110916000, 0.005790346000, 0.004109457000, 0.002899327000, 0.002049190000, 0.001439971000, 0.000999949300,\n 0.000690078600, 0.000476021300, 0.000332301100, 0.000234826100, 0.000166150500, 0.000117413000, 0.000083075270, 0.000058706520, 0.000041509940, 0.000029353260,\n 0.000020673830, 0.000014559770, 0.000010253980, 0.000007221456, 0.000005085868, 0.000003581652, 0.000002522525, 0.000001776509, 0.000001251141]\nCIE1931StdObs_y = \[\n 0.000003917000, 0.000006965000, 0.000012390000, 0.000022020000, 0.000039000000, 0.000064000000,\n 0.000120000000, 0.000217000000, 0.000396000000, 0.000640000000, 0.001210000000, 0.002180000000, 0.004000000000, 0.007300000000, 0.011600000000, 0.016840000000,\n 0.023000000000, 0.029800000000, 0.038000000000, 0.048000000000, 0.060000000000, 0.073900000000, 0.090980000000, 0.112600000000, 0.139020000000, 0.169300000000,\n 0.208020000000, 0.258600000000, 0.323000000000, 0.407300000000, 0.503000000000, 0.608200000000, 0.710000000000, 0.793200000000, 0.862000000000, 0.914850100000,\n 0.954000000000, 0.980300000000, 0.994950100000, 1.000000000000, 0.995000000000, 0.978600000000, 0.952000000000, 0.915400000000, 0.870000000000, 0.816300000000,\n 0.757000000000, 0.694900000000, 0.631000000000, 0.566800000000, 0.503000000000, 0.441200000000, 0.381000000000, 0.321000000000, 0.265000000000, 0.217000000000,\n 0.175000000000, 0.138200000000, 0.107000000000, 0.081600000000, 0.061000000000, 0.044580000000, 0.032000000000, 0.023200000000, 0.017000000000, 0.011920000000,\n 0.008210000000, 0.005723000000, 0.004102000000, 0.002929000000, 0.002091000000, 0.001484000000, 0.001047000000, 0.000740000000, 0.000520000000, 0.000361100000,\n 0.000249200000, 0.000171900000, 0.000120000000, 0.000084800000, 0.000060000000, 0.000042400000, 0.000030000000, 0.000021200000, 0.000014990000, 0.000010600000,\n 0.000007465700, 0.000005257800, 0.000003702900, 0.000002607800, 0.000001836600, 0.000001293400, 0.000000910930, 0.000000641530, 0.000000451810]\nCIE1931StdObs_z = \[\n 0.000606100000, 0.001086000000, 0.001946000000, 0.003486000000, 0.006450001000, 0.010549990000,\n 0.020050010000, 0.036210000000, 0.067850010000, 0.110200000000, 0.207400000000, 0.371300000000, 0.645600000000, 1.039050100000, 1.385600000000, 1.622960000000,\n 1.747060000000, 1.782600000000, 1.772110000000, 1.744100000000, 1.669200000000, 1.528100000000, 1.287640000000, 1.041900000000, 0.812950100000, 0.616200000000,\n 0.465180000000, 0.353300000000, 0.272000000000, 0.212300000000, 0.158200000000, 0.111700000000, 0.078249990000, 0.057250010000, 0.042160000000, 0.029840000000,\n 0.020300000000, 0.013400000000, 0.008749999000, 0.005749999000, 0.003900000000, 0.002749999000, 0.002100000000, 0.001800000000, 0.001650001000, 0.001400000000,\n 0.001100000000, 0.001000000000, 0.000800000000, 0.000600000000, 0.000340000000, 0.000240000000, 0.000190000000, 0.000100000000, 0.000049999990, 0.000030000000,\n 0.000020000000, 0.000010000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000,\n 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000,\n 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000,\n 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000, 0.000000000000]\n \n \n \ndef XYZ_2_xyY(XYZ):\n xyY = float3()\n divisor = (XYZ\[0] + XYZ\[1] + XYZ\[2])\n if (divisor == 0.):\n divisor = 1e-10\n xyY.set(XYZ\[0] / divisor, XYZ\[1] / divisor, XYZ\[1])\n return xyY\n\n \n\ndef calculate_whitepoint(temp):\n # Calculate xy chromaticity coordinates from blackbody spectral locus color temperature\n # Returns xy chromaticity coordinates\n # Inspired by: http://www.brucelindbloom.com/index.html?CIESpectralCalculator.html\n # source: http://brucelindbloom.com/javascript/ColorConv.js\n\n C1 = 2.0 * math.pi * 6.626176 * 2.99792458 * 2.99792458\n C2 = (6.626176 * 2.99792458) / 1.380662\n\n XYZ = float3()\n XYZ.set(0.0, 0.0, 0.0)\n\n i = 0\n for nm in xrange(360, 831, 5):\n dWavelengthM = nm * 1.0e-3\n dWavelengthM5 = dWavelengthM * dWavelengthM * dWavelengthM * dWavelengthM * dWavelengthM\n blackbody = C1 / (dWavelengthM5 * 1.0e-12 * (math.pow(math.e, C2 / (temp * dWavelengthM * 1.0e-3)) - 1.0))\n XYZ\[0] += (blackbody * CIE1931StdObs_x\[i]);\n XYZ\[1] += (blackbody * CIE1931StdObs_y\[i]);\n XYZ\[2] += (blackbody * CIE1931StdObs_z\[i]);\n i += 1\n\n XYZ\[0] /= XYZ\[1]\n XYZ\[2] /= XYZ\[1]\n XYZ\[1] = 1.0\n\n return XYZ_2_xyY(XYZ)\n\n\n\ndef start():\n node = nuke.thisNode()\n temp = node\['temp'].getValue()\n xyY = calculate_whitepoint(temp)\n wp_target = node\['wp_target'].value()\n wp_knob = node\[wp_target + '_xy'].setValue(\[xyY\[0], xyY\[1]])\n wp_label = node\[wp_target + '_wp_name'].setValue(str(int(temp)) + 'k')\n node\['calculate_matrix'].execute()\n \n\nif __name__=='__main__':\n start()" +STARTLINE}
addUserKnob {4 wp_target l target t "choose whether to calculate the src or dst whitepoint" -STARTLINE M {src dst "" ""}}
wp_target dst
addUserKnob {26 ""}
addUserKnob {26 calculate_label l " " T <b>Calculate}
addUserKnob {4 method t "Choose the cone response matrix" M {cat02 bradford cmccat2000 xyz_scaling none "" fairchild bianco cat02_brill_cat bianco_pc cmccat97 sharp von_kries}}
method cat02
addUserKnob {6 invert t "Invert direction of matrix: XYZtoRGB" +STARTLINE}
addUserKnob {22 calculate_matrix l "Calculate Matrix" t "Calculate 3x3 matrix based on the specified colorspace chromaticities." T "import nuke\nfloat3 = nuke.math.Vector3\nfloat3x3 = nuke.math.Matrix3\n\ndef transpose(m):\n # Transpose (swap rows and columns) of a nuke.math.Matrix3\n return float3x3(m\[0], m\[1], m\[2], m\[3], m\[4], m\[5], m\[6], m\[7], m\[8])\n\ndef set_matrix(m):\n # Populate a nuke.math.Matrix3 with a 3x3 python list (either 3x3 or 1x9)\n if len(m) is 3 and \[isinstance(r, list) for r in m]:\n m = sum(m, \[])\n o = float3x3(m\[0], m\[3], m\[6], m\[1], m\[4], m\[7], m\[2], m\[5], m\[8])\n return o\n\ndef diag(v):\n # Create a diagonal 3x3 matrix from a 1x3 vector\n return float3x3(v\[0], 0, 0, 0, v\[1], 0, 0, 0, v\[2])\n\n\ndef xyY_to_XYZ(xyY):\n # Convert an xyY chromaticity value to XYZ\n x = xyY\[0]\n y = xyY\[1]\n if len(xyY) is 2:\n # Assume an xy chromaticity coordinate, use default Y\n Y = 1.0\n else:\n Y = xyY\[2]\n XYZ = float3(x * Y / max(y, 1e-10), Y, (1.0 - x - y) * Y / max(y, 1e-10))\n return XYZ\n\n\ndef calc_cat(src_xy, dst_xy, cat_method='cat02'):\n # Calculate Von Kries chromatic adaptation transform matrix,\n # given a source and destination illuminant and CAT method.\n # Illuminant is given as xy chromaticity coordinates. \n # CAT method is the name of one of the below cone response matrices.\n\n crmtxs = \{\n \"bianco\": \[\[0.8752, 0.2787, -0.1539], \[-0.8904, 1.8709, 0.0195], \[-0.0061, 0.0162, 0.9899]],\n \"bianco_pc\": \[\[0.6489, 0.3915, -0.0404], \[-0.3775, 1.3055, 0.072], \[-0.0271, 0.0888, 0.9383]],\n \"bradford\": \[\[0.8951, 0.2664, -0.1614], \[-0.7502, 1.7135, 0.0367], \[0.0389, -0.0685, 1.0296]],\n \"cat02\": \[\[0.7328, 0.4296, -0.1624], \[-0.7036, 1.6975, 0.0061], \[0.003, 0.0136, 0.9834]],\n \"cat02_brill_cat\": \[\[0.7328, 0.4296, -0.1624], \[-0.7036, 1.6975, 0.0061], \[0.0, 0.0, 1.0]],\n \"cmccat2000\": \[\[0.7982, 0.3389, -0.1371], \[-0.5918, 1.5512, 0.0406], \[0.0008, 0.0239, 0.9753]],\n \"cmccat97\": \[\[0.8951, -0.7502, 0.0389], \[0.2664, 1.7135, 0.0685], \[-0.1614, 0.0367, 1.0296]],\n \"fairchild\": \[\[0.8562, 0.3372, -0.1934], \[-0.836, 1.8327, 0.0033], \[0.0357, -0.0469, 1.0112]],\n \"sharp\": \[\[1.2694, -0.0988, -0.1706], \[-0.8364, 1.8006, 0.0357], \[0.0297, -0.0315, 1.0018]],\n \"von_kries\": \[\[0.40024, 0.7076, -0.08081], \[-0.2263, 1.16532, 0.0457], \[0.0, 0.0, 0.91822]],\n \"xyz_scaling\": \[\[1.0, 0.0, 0.0], \[0.0, 1.0, 0.0], \[0.0, 0.0, 1.0]]\n \}\n \n cat_method = cat_method.lower().replace(' ', '_')\n # Return identity matrix if no match\n if cat_method not in crmtxs.keys():\n m = float3x3()\n m.makeIdentity()\n return m\n\n crmtx = set_matrix(crmtxs\[cat_method])\n\n # Get XYZ values from xy chromaticity coordinates\n src_XYZ = xyY_to_XYZ(src_xy)\n dst_XYZ = xyY_to_XYZ(dst_xy)\n\n # Calculate source and destination cone response matrices\n src_crmtx = transpose(crmtx) * src_XYZ\n dst_crmtx = transpose(crmtx) * dst_XYZ\n\n von_kries_matrix = diag(dst_crmtx / src_crmtx)\n cat_mtx = float3x3()\n cat_mtx = crmtx * (von_kries_matrix * crmtx.inverse())\n return cat_mtx\n\n\ndef start():\n node = nuke.thisNode()\n \n invert = node\['invert'].getValue()\n cat_method = node\['method'].value()\n src_xy = float2(node\['src_xy'].getValue()\[0], node\['src_xy'].getValue()\[1])\n dst_xy = float2(node\['dst_xy'].getValue()\[0], node\['dst_xy'].getValue()\[1])\n\n mtx = calc_cat(src_xy, dst_xy, cat_method)\n\n if invert:\n mtx = mtx.inverse()\n\n node\['matrix'].setValue(mtx)\n\n\nif __name__=='__main__':\n start()\n\n\n\n\n\n\n# References for different xyY whitepoints of different Standard Illuminants\n# http://brucelindbloom.com/index.html?Eqn_ChromAdapt.html\n# https://www.mathworks.com/help/images/ref/whitepoint.html\n# https://rdrr.io/cran/spacesXYZ/man/standardXYZ.html\n# https://en.wikipedia.org/wiki/Standard_illuminant\n\n# XYZ \n# A 1.09850 1.00000 0.35585 Simulates typical, domestic, tungsten-filament lighting with correlated color temperature of 2856 K. \n# B 0.99072 1.00000 0.85223 Simulates average or north sky daylight with correlated color temperature of 6774 K. Deprecated by CIE.\n# C 0.98074 1.00000 1.18232 Useful as a theoretical reference.\n# D50 0.96422 1.00000 0.82521 Simulates warm daylight at sunrise or sunset with correlated color temperature of 5003 K. Also known as horizon light.\n# D55 0.95682 1.00000 0.92149 Simulates mid-morning or mid-afternoon daylight with correlated color temperature of 5500 K. \n# D60 0.95230 1.00000 1.00859 \n# D65 0.95047 1.00000 1.08883 Simulates noon daylight with correlated color temperature of 6504 K. \n# D75 0.94972 1.00000 1.22638\n# E 1.00000 1.00000 1.00000\n# F2 0.99186 1.00000 0.67393\n# F7 0.95041 1.00000 1.08747\n# F11 1.00962 1.00000 0.64350\n\n\n# xy\n# name CIE 1931 2deg kelvin (cct)\n# A 0.44757 0.40745 2856 Incandescent / Tungsten\n# B 0.34842 0.35161 4874 \{obsolete\} Direct sunlight at noon\n# C 0.31006 0.31616 6774 \{obsolete\} Average / North sky Daylight\n# D50 0.34567 0.35850 5003 Horizon Light. ICC profile PCS\n# D55 0.33242 0.34743 5503 Mid-morning / Mid-afternoon Daylight\n# D60 0.32163 0.33774\n# D60.ACES 0.32168 0.33767\n# D65 0.31271 0.32902 6504 Noon Daylight: Television, sRGB color space\n# D75 0.29902 0.31485 7504 North sky Daylight\n# E 1/3 1/3 1/3 1/3 5454 Equal energy\n# F1 0.31310 0.33727 6430 Daylight Fluorescent\n# F2 0.37208 0.37529 4230 Cool White Fluorescent\n# F3 0.40910 0.39430 3450 White Fluorescent\n# F4 0.44018 0.40329 2940 Warm White Fluorescent\n# F5 0.31379 0.34531 6350 Daylight Fluorescent\n# F6 0.37790 0.38835 4150 Lite White Fluorescent\n# F7 0.31292 0.32933 6500 D65 simulator, Daylight simulator\n# F8 0.34588 0.35875 5000 D50 simulator, Sylvania F40 Design 50\n# F9 0.37417 0.37281 4150 Cool White Deluxe Fluorescent\n# F10 0.34609 0.35986 5000 Philips TL85, Ultralume 50\n# F11 0.38052 0.37713 4000 Philips TL84, Ultralume 40\n# F12 0.43695 0.40441 3000 Philips TL83, Ultralume 30\n# LED-B1 0.4560 0.4078 2733 phosphor-converted blue\n# LED-B2 0.4357 0.4012 2998 phosphor-converted blue\n# LED-B3 0.3756 0.3723 4103 phosphor-converted blue\n# LED-B4 0.3422 0.3502 5109 phosphor-converted blue\n# LED-B5 0.3118 0.3236 6598 phosphor-converted blue\n# LED-BH1 0.4474 0.4066 2851 mixing of phosphor-converted blue LED and red LED (blue-hybrid)\n# LED-RGB1 0.4557 0.4211 2840 mixing of red, green, and blue LEDs\n# LED-V1 0.4560 0.4548 2724 phosphor-converted violet\n# LED-V2 0.3781 0.3775 4070 phosphor-converted violet" +STARTLINE}
addUserKnob {22 create_matrix_node l "Create Matrix" t "Create ColorMatrix node with the current values." -STARTLINE T "node = nuke.thisNode()\nnode\['calculate_matrix'].execute()\nnuke.root().begin()\n_ = \[n.setSelected(False) for n in nuke.allNodes(recurseGroups=True)]\nm = nuke.createNode('ColorMatrix')\nm\['matrix'].setValue(node\['matrix'].getValue())\nm.setXYpos(node.xpos()-120, node.ypos())\nm\['label'].setValue(node\['label'].getValue())"}
addUserKnob {41 matrix T CAT_MATRIX.matrix}
addUserKnob {22 clear l Clear T "n = nuke.thisNode()\nn\['matrix'].setValue(\[1,0,0,0,1,0,0,0,1])\nn\['label'].setValue('')" +STARTLINE}
addUserKnob {22 show_matrix l Show t "Show matrix values in a popup window for copying." T "node = nuke.thisNode()\nshow_4x4 = node\['show_matrix_4x4'].getValue()\nshow_commas = node\['show_matrix_commas'].getValue()\n\nif show_commas:\n sep = ', '\nelse:\n sep = ' '\n\nmtx = \[format(i, '.8f') for i in node\['matrix'].getValue()]\n\nif show_4x4:\n z = \['0']\n mtx = mtx\[0:3] + z + mtx\[3:6] + z + mtx\[6:9] + z*4 + \['1']\n\nnuke.message(sep.join(mtx))" +STARTLINE}
addUserKnob {6 show_matrix_4x4 l "show 4x4" t "present values in a 4x4 matrix (useful for ocio)" -STARTLINE}
addUserKnob {6 show_matrix_commas l "show comma sep" t "show matrix comma separated." -STARTLINE}
}
Input {
inputs 0
name Input
xpos -40
ypos 192
}
Group {
name GamutToXYZ
label "\[if \{\[value invert]\} \{return \"XYZ to \[value gamut]\"\} else \{return \"\[value gamut] to XYZ\"\}]\n\n"
xpos -40
ypos 245
addUserKnob {20 GamutToXYZ_tab l GamutToXYZ}
addUserKnob {4 gamut t "Choose gamut" M {XYZ ACES ACEScg "Filmlight E-Gamut" Rec709 Rec2020 P3D60 P3D65 P3DCI "Arri AlexaWideGamut" REDDRAGONcolor REDDRAGONcolor2 REDcolor REDcolor2 REDcolor3 REDcolor4 REDWideGamutRGB "GoPro Protune Native" CanonCinemaGamut SonySGamut SonySGamut3Cine PanasonicVGamut "DJI D-Gamut" "Fujifilm F-Gamut" BMDFilmV1 BMD4kFilmV1 BMD4kFilmV3 BMD46kFilmV1 BMD46kFilmV3 BMDWideGamutV4 "AdobeRGB\t" AdobeWideGamutRGB ROMM RIMM ERIMM ProPhotoRGB RusselRGB SharpRGB AppleRGB BestRGB}}
gamut ACEScg
addUserKnob {6 invert +STARTLINE}
addUserKnob {26 ""}
addUserKnob {26 chromaticity_coordinates_label l " " T "<b>Chromaticity Coordinates</b>"}
addUserKnob {41 rxy T ColorMatrix.rxy}
addUserKnob {41 gxy T ColorMatrix.gxy}
addUserKnob {41 bxy T ColorMatrix.bxy}
addUserKnob {41 wxy T ColorMatrix.wxy}
addUserKnob {41 matrix T ColorMatrix.matrix}
}
Input {
inputs 0
name Input
xpos -40
ypos -10
}
ColorMatrix {
matrix {
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}
invert {{parent.invert}}
name ColorMatrix
label "RGB to XYZ"
xpos -40
ypos 32
addUserKnob {20 Gamut}
addUserKnob {3 which}
which {{parent.gamut}}
addUserKnob {12 rxy}
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addUserKnob {12 gxy}
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addUserKnob {12 bxy}
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addUserKnob {12 wxy}
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}
Output {
name Output
xpos -40
ypos 86
}
end_group
set Naed9a20 [stack 0]
Colorspace {
colorspace_in CIE-XYZ
colorspace_out CIE-Yxy
name Yxy
xpos 97
ypos 278
}
push $Naed9a20
ColorMatrix {
name CAT_MATRIX
xpos -40
ypos 312
}
ColorMatrix {
matrix {
{{parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix}}
{{parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix}}
{{parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix} {parent.GamutToXYZ.ColorMatrix.matrix}}
}
invert true
name XYZToGamut
note_font Helvetica
xpos -40
ypos 367
}
Output {
name Output
xpos -40
ypos 435
}
end_group