(saturation-from-rgb .(vmax ..(dot ...(vmax ....(saturation-from-rgb .....(hue-from-rgb ......(hue-from-rgb .......(height-normal ........(dot [-0.7942 2.0535 2.6827 -2.2712] [-0.8594 0.2832 1.2012]))))) ....(sigmoid .....(max-component ......(gradient .......(polar ........(max-component pos)))))) ...(radius plasma)) ..(vdivide pos clouds)))