this a a cute idea, but i don't know of one (on the surface of a sphere). do you? also, are all space-filling curves uniformly dense in the limit? (presumably

this a a cute idea, but i don't know of one (on the surface of a sphere). do you? also, are all space-filling curves uniformly dense in the limit? (presumably it depends on how you transform from a plane to a sphere, and if you get that right, you can just use it directly)