Quick edit, it's 4pi r I was thinking volume for a second there.
As to tiling, I am saying if cut a sphere into 5120 slices, and the middle slice is fine with 5120 pixels. Then the poles are going to have ~1 pixel on them. How you tile them is really a question of tradeoffs.
As to tiling, I am saying if cut a sphere into 5120 slices, and the middle slice is fine with 5120 pixels. Then the poles are going to have ~1 pixel on them. How you tile them is really a question of tradeoffs.