# Return an SQL fragment to select a given area of the globe
def self.sql_for_area(minlat, minlon, maxlat, maxlon, prefix = nil)
tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon, prefix)
- minlat = (minlat * 1000000).round
- minlon = (minlon * 1000000).round
- maxlat = (maxlat * 1000000).round
- maxlon = (maxlon * 1000000).round
+ minlat = (minlat * 10000000).round
+ minlon = (minlon * 10000000).round
+ maxlat = (maxlat * 10000000).round
+ maxlon = (maxlon * 10000000).round
return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
end