module MapBoundary
+ # Take an array of length 4, and return the min_lon, min_lat, max_lon and
+ # max_lat within their respective boundaries.
def sanitise_boundaries(bbox)
- min_lon = [bbox[0].to_f,-180].max
- min_lat = [bbox[1].to_f,-90].max
- max_lon = [bbox[2].to_f,+180].min
- max_lat = [bbox[3].to_f,+90].min
-
+ min_lon = [[bbox[0].to_f,-180].max,180].min
+ min_lat = [[bbox[1].to_f,-90].max,90].min
+ max_lon = [[bbox[2].to_f,+180].min,-180].max
+ max_lat = [[bbox[3].to_f,+90].min,-90].max
return min_lon, min_lat, max_lon, max_lat
end