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
def check_boundaries(min_lon, min_lat, max_lon, max_lat)
# check the bbox is sane
unless min_lon <= max_lon
- raise("The minimum longitude must be less than the maximum longitude, but it wasn't")
+ raise OSM::APIBadBoundingBox.new("The minimum longitude must be less than the maximum longitude, but it wasn't")
end
unless min_lat <= max_lat
- raise("The minimum latitude must be less than the maximum latitude, but it wasn't")
+ raise OSM::APIBadBoundingBox.new("The minimum latitude must be less than the maximum latitude, but it wasn't")
end
unless min_lon >= -180 && min_lat >= -90 && max_lon <= 180 && max_lat <= 90
- raise("The latitudes must be between -90 and 90, and longitudes between -180 and 180")
+ # Due to sanitize_boundaries, it is highly unlikely we'll actually get here
+ raise OSM::APIBadBoundingBox.new("The latitudes must be between -90 and 90, and longitudes between -180 and 180")
end
# check the bbox isn't too large
requested_area = (max_lat-min_lat)*(max_lon-min_lon)
- if requested_area > APP_CONFIG['max_request_area']
- raise("The maximum bbox size is " + APP_CONFIG['max_request_area'].to_s +
+ if requested_area > MAX_REQUEST_AREA
+ raise OSM::APIBadBoundingBox.new("The maximum bbox size is " + MAX_REQUEST_AREA.to_s +
", and your request was too large. Either request a smaller area, or use planet.osm")
end
end