minlon = [(@lon - lonradius) * 180 / PI, -180].max
maxlon = [(@lon + lonradius) * 180 / PI, 180].min
minlon = [(@lon - lonradius) * 180 / PI, -180].max
maxlon = [(@lon + lonradius) * 180 / PI, 180].min
- { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon }
+ BoundingBox.new(minlon, minlat, maxlon, maxlat)