Make OSM::GreatCircle clamp results to the globe

[rails.git] / lib / osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index 370f0f30009c2a09cafa3ba7ea5847a21636c372..40027991a036ea7611bda63dbba35b357772ebcb 100644 (file)
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -475,10 +475,10 @@ module OSM
         lonradius = PI
       end
 
-      minlat = (@lat - latradius) * 180 / PI
-      maxlat = (@lat + latradius) * 180 / PI
-      minlon = (@lon - lonradius) * 180 / PI
-      maxlon = (@lon + lonradius) * 180 / PI
+      minlat = [(@lat - latradius) * 180 / PI, -90].max
+      maxlat = [(@lat + latradius) * 180 / PI, 90].min
+      minlon = [(@lon - lonradius) * 180 / PI, -180].max
+      maxlon = [(@lon + lonradius) * 180 / PI, 180].min
 
       { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon }
     end
@@ -532,7 +532,7 @@ module OSM
   # Parse a float, raising a specified exception on failure
   def self.parse_float(str, klass, *args)
     Float(str)
-  rescue
+  rescue StandardError
     raise klass.new(*args)
   end
 
@@ -553,14 +553,14 @@ module OSM
     tilesql = QuadTile.sql_for_area(bbox, prefix)
     bbox = bbox.to_scaled
 
-    "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " +
+    "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " \
       "AND #{prefix}longitude BETWEEN #{bbox.min_lon} AND #{bbox.max_lon}"
   end
 
   # Return the terms and conditions text for a given country
   def self.legal_text_for_country(country_code)
-    file_name = File.join(Rails.root, "config", "legales", country_code.to_s + ".yml")
-    file_name = File.join(Rails.root, "config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name
+    file_name = Rails.root.join("config", "legales", country_code.to_s + ".yml")
+    file_name = Rails.root.join("config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name
     YAML.load_file(file_name)
   end