Red Sea random map replica, based on the original map by _kali created in rP18523 deleted in rP20362, refs #4816, #5018, D957.
Uses an unadulterated, easily exchangeable, well compressed topography image of the NASA Blue Marble series in the public domain,
instead of a heavily tuned and not so well licensed NASA SRTM v4.1 image encoded in JSON.
Circular intead of a square map shape.
Randomized, height- and slope-based terrain texture painting, refs #5004.
