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[9c89ac]: / NEWGOOGLE Maximize Restore History
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Mercator Projection zoom=17 -- 200x200 sides just reach each other (+-180 long) middle is 0 degrees -- Greenwich Meridian middle is equator zooming in is 2x The northwestern most tile is always 0,0 and x,y increase by one * easy to convert x,y -> ttqs etc. highest is 1 "mpp" MERCATOR. therefore top must be 85.051128779806582259 = DEMARCLAT(180)