Created
October 25, 2015 11:33
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Convert to and from Web Mercator
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| import math | |
| def y2lat(a): | |
| return 180.0/math.pi*(2.0*math.atan(math.exp(a*math.pi/180.0))-math.pi/2.0) | |
| def lat2y(a): | |
| return 180.0/math.pi*math.log(math.tan(math.pi/4.0+a*(math.pi/180.0)/2.0)) | |
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