Cubehelix for Max

By Théophile Clet - 2021-05-13 https://tflcl.xyz

Original work and js code by Dave Green http://www.mrao.cam.ac.uk/~dag/CUBEHELIX

Green, D. A., 2011, `A colour scheme for the display of astronomical intensity images', Bulletin of the Astronomical Society of India, 39, 289. http://astron-soc.in/bulletin/11June/289392011.pdf