def LatLonToMeters( lat, lon ):
	import math
	tileSize = 256
	initialResolution = 2 * math.pi * 6378137 / tileSize
	# 156543.03392804062 for tileSize 256 pixels
	originShift = 2 * math.pi * 6378137 / 2.0
# 20037508.342789244
	mx = lon * originShift / 180.0
	my = math.log( math.tan((90 + lat) * math.pi / 360.0 )) / (math.pi / 180.0)
	my = my * originShift / 180.0
	return mx, my