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NOTES.md

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General

  • There is a LOT more info in a Hald image than we pass into the *.cube:

    • convert hald:5 ident_5.png results in a 25x25 image; 625 values

  • Do we want to target 3dl at all? It seems that the 10-bit nature will lead to rounding errors.

Formats

3DL

# Optional(?) header:
3DMESH
Mesh 4 12

# Line of the input values: 17 of them in this case.
0 64 128 192 256 320 384 448 512 575 639 703 767 831 895 959 1023

# Integer output values.
# for r in xrange(18):
#   for g in xrange(18):
#     for b in xrange(18):
$R_out $G_out $B_out

CUBE

#Created by: Adobe Photoshop CS6
#Copyright: Copyright 2012 Adobe Systems Inc.
TITLE "Night from Day"

#LUT size
LUT_3D_SIZE 17

#data domain
DOMAIN_MIN 0.0 0.0 0.0
DOMAIN_MAX 1.0 1.0 1.0

# Float output values.
# for b in xrange(18):
#   for g in xrange(18):
#     for r in xrange(18):
$R_out $G_out $B_out