X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/87918595da1e1fad2ddd7aa62f9fc537dff657ff..68845eb7253cd3da14253e004fc1a4fc7eac2e5e:/lib/bounding_box.rb?ds=sidebyside diff --git a/lib/bounding_box.rb b/lib/bounding_box.rb index f12683d3c..0cc4c5fd4 100644 --- a/lib/bounding_box.rb +++ b/lib/bounding_box.rb @@ -14,27 +14,21 @@ class BoundingBox end def self.from_s(s) - BoundingBox.new(*s.split(/,/)) if s.count(",") == 3 + BoundingBox.new(*s.split(",")) if s.count(",") == 3 end def self.from_bbox_params(params) - if params[:bbox] && params[:bbox].count(",") == 3 - bbox_array = params[:bbox].split(",") - end + bbox_array = params[:bbox].split(",") if params[:bbox] && params[:bbox].count(",") == 3 from_bbox_array(bbox_array) end def self.from_lon_lat_params(params) - if params[:minlon] && params[:minlat] && params[:maxlon] && params[:maxlat] - bbox_array = [params[:minlon], params[:minlat], params[:maxlon], params[:maxlat]] - end + bbox_array = [params[:minlon], params[:minlat], params[:maxlon], params[:maxlat]] if params[:minlon] && params[:minlat] && params[:maxlon] && params[:maxlat] from_bbox_array(bbox_array) end def self.from_lrbt_params(params) - if params[:l] && params[:b] && params[:t] && params[:t] - bbox_array = [params[:l], params[:b], params[:r], params[:t]] - end + bbox_array = [params[:l], params[:b], params[:r], params[:t]] if params[:l] && params[:b] && params[:t] && params[:t] from_bbox_array(bbox_array) end @@ -45,19 +39,19 @@ class BoundingBox if bbox.complete? if bbox.min_lon < min_lon @min_lon = [-SCALED_LON_LIMIT, - bbox.min_lon + margin * (min_lon - max_lon)].max + bbox.min_lon + (margin * (min_lon - max_lon))].max end if bbox.min_lat < min_lat @min_lat = [-SCALED_LAT_LIMIT, - bbox.min_lat + margin * (min_lat - max_lat)].max + bbox.min_lat + (margin * (min_lat - max_lat))].max end if bbox.max_lon > max_lon @max_lon = [+SCALED_LON_LIMIT, - bbox.max_lon + margin * (max_lon - min_lon)].min + bbox.max_lon + (margin * (max_lon - min_lon))].min end if bbox.max_lat > max_lat @max_lat = [+SCALED_LAT_LIMIT, - bbox.max_lat + margin * (max_lat - min_lat)].min + bbox.max_lat + (margin * (max_lat - min_lat))].min end end self @@ -65,23 +59,20 @@ class BoundingBox def check_boundaries # check the bbox is sane - if min_lon > max_lon - raise OSM::APIBadBoundingBox, "The minimum longitude must be less than the maximum longitude, but it wasn't" - end - if min_lat > max_lat - raise OSM::APIBadBoundingBox, "The minimum latitude must be less than the maximum latitude, but it wasn't" - end + raise OSM::APIBadBoundingBox, "The minimum longitude must be less than the maximum longitude, but it wasn't" if min_lon > max_lon + raise OSM::APIBadBoundingBox, "The minimum latitude must be less than the maximum latitude, but it wasn't" if min_lat > max_lat + if min_lon < -LON_LIMIT || min_lat < -LAT_LIMIT || max_lon > +LON_LIMIT || max_lat > +LAT_LIMIT - raise OSM::APIBadBoundingBox, "The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}," \ - " and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}" + raise OSM::APIBadBoundingBox, "The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}, " \ + "and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}" end self end - def check_size(max_area = MAX_REQUEST_AREA) + def check_size(max_area = Settings.max_request_area) # check the bbox isn't too large if area > max_area - raise OSM::APIBadBoundingBox, "The maximum bbox size is " + max_area.to_s + + raise OSM::APIBadBoundingBox, "The maximum bbox size is #{max_area}" \ ", and your request was too large. Either request a smaller area, or use planet.osm" end self @@ -98,7 +89,7 @@ class BoundingBox end def complete? - !to_a.include?(nil) + to_a.exclude?(nil) end def centre_lon @@ -118,25 +109,25 @@ class BoundingBox end def slippy_width(zoom) - width * 256.0 * 2.0**zoom / 360.0 + width * 256.0 * (2.0**zoom) / 360.0 end def slippy_height(zoom) min = min_lat * Math::PI / 180.0 max = max_lat * Math::PI / 180.0 - Math.log((Math.tan(max) + 1.0 / Math.cos(max)) / - (Math.tan(min) + 1.0 / Math.cos(min))) * - (128.0 * 2.0**zoom / Math::PI) + Math.log((Math.tan(max) + (1.0 / Math.cos(max))) / + (Math.tan(min) + (1.0 / Math.cos(min)))) * + (128.0 * (2.0**zoom) / Math::PI) end # there are two forms used for bounds with and without an underscore, # cater for both forms eg minlon and min_lon def add_bounds_to(hash, underscore = "") - hash["min#{underscore}lat"] = format("%.7f", min_lat) - hash["min#{underscore}lon"] = format("%.7f", min_lon) - hash["max#{underscore}lat"] = format("%.7f", max_lat) - hash["max#{underscore}lon"] = format("%.7f", max_lon) + hash["min#{underscore}lat"] = format("%.7f", :lat => min_lat) + hash["min#{underscore}lon"] = format("%.7f", :lon => min_lon) + hash["max#{underscore}lat"] = format("%.7f", :lat => max_lat) + hash["max#{underscore}lon"] = format("%.7f", :lon => max_lon) hash end @@ -166,15 +157,14 @@ class BoundingBox private def from_bbox_array(bbox_array) - unless bbox_array - raise OSM::APIBadUserInput, "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat" - end + raise OSM::APIBadUserInput, "The parameter bbox must be of the form min_lon,min_lat,max_lon,max_lat" unless bbox_array + # Take an array of length 4, create a bounding box with min_lon, min_lat, max_lon and # max_lat within their respective boundaries. - min_lon = [[bbox_array[0].to_f, -LON_LIMIT].max, +LON_LIMIT].min - min_lat = [[bbox_array[1].to_f, -LAT_LIMIT].max, +LAT_LIMIT].min - max_lon = [[bbox_array[2].to_f, +LON_LIMIT].min, -LON_LIMIT].max - max_lat = [[bbox_array[3].to_f, +LAT_LIMIT].min, -LAT_LIMIT].max + min_lon = bbox_array[0].to_f.clamp(-LON_LIMIT, +LON_LIMIT) + min_lat = bbox_array[1].to_f.clamp(-LAT_LIMIT, +LAT_LIMIT) + max_lon = bbox_array[2].to_f.clamp(-LON_LIMIT, +LON_LIMIT) + max_lat = bbox_array[3].to_f.clamp(-LAT_LIMIT, +LAT_LIMIT) BoundingBox.new(min_lon, min_lat, max_lon, max_lat) end end