> I decided to use a equirectangular just because otherwise drawing the gradients would have been a hell. If you've got a function that maps between map-positi

> I decided to use a equirectangular just because otherwise drawing the gradients would have been a hell. If you've got a function that maps between map-position and globe-position, couldn't you just compute the gradient color for each pixel one by one? That doesn't sound particularly difficult... :]