Quote Originally Posted by johnvanvliet View Post
this square map looks to be in Mercator projection for about 85 north to 85 south

this needs to be first reprojected into simple cylindrical for 90 north to 90 south and -180 to +180 west/east

thin you can fix that polar pinch from trying to remap a non full map to the poles
Sounds good, but you lost me at Mercator! Being new to all of this, I might need a little more explanation. I did notice the pinching, how would I start?