chromaticAdaptation

chromatic adaptation gizmo - calculates chromatic adaptation matrix

using Bradford, Von Kries matrix values from:
  http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
CAT02 matrix value from:
  https://en.wikipedia.org/wiki/CIECAM02#CAT02

- derives illuminant XYZ values using Nuke's Colorspace node and calculate chromatic adaptation transform nuke.math.Matrix3