КУПОЛ НЕБА textures

skydome_clouds.png  (2048x2048 RGB, tiles: R erosion detail, G openness
                     (histogram-equalised: threshold 1 - cover covers that
                     fraction), B wispy streaks)
skydome_normal.png  (2048x2048 RGB, tiles: RG cloud normal xy as 0.5 + 0.5 n,
                     z = sqrt(1 - x^2 - y^2); B cauliflower puff height)

Our own procedural art: synthesized by
re_demo/parity/w21/skydome21/gen_clouds21.py (numpy spectral fBm + periodic
Worley puffs, seed 2121). No third-party images were used.
(The earlier 1024px set came from re_demo/parity/w19/skydome/gen_clouds.py.)

License: CC0 1.0 Universal (public domain dedication),
https://creativecommons.org/publicdomain/zero/1.0/
