I've been meaing to get back to quads by latitude and chunks... Here I have a pretty standard oval, mostly because I have been on a word wrap to world div kick. In any case, I want to chunk up my world oval by bands of latitude and then subdivide those lattitude quads. I start with a circumference for world size, width and height.
44901 km across, 450px by 225px with a total surface area of 641.74 m. km^2
Top: 80, Bottom: 165, Left: 181 and Right: 243
polygon(243px 80px, 181px 80px, 181px 165px, 243px 165px)
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