return self.longitude.to_f / 10000000
end
+ # Potlatch projections
+ def lon_potlatch(baselong,masterscale)
+ (self.lon-baselong)*masterscale
+ end
+
+ def lat_potlatch(basey,masterscale)
+ -(lat2y(self.lat)-basey)*masterscale
+ end
+
private
def lat2y(a)