Changeset 634

Timestamp:

07/24/08 12:43:20 (1 month ago)

Author:

allens

Message:

Added normalize() method for keeping Location objects within bounds. Note: This method returns a new Location instance.

Files:

• branches/tom-tweenlite/lib/com/modestmaps/geo/Location.as (modified) (1 diff)

branches/tom-tweenlite/lib/com/modestmaps/geo/Location.as

@@ -31 +31 @@
-            }
-
+        /**
+         * This function normalizes latitude and longitude values to a sensible range
+         * (±84°N, ±180°E), and returns a new Location instance.
+         */
+        public function normalize():Location
+        {
+            var loc:Location = clone();
+            loc.lat = Math.max(-84, Math.min(84, loc.lat));
+            while (loc.lon > 180) loc.lon -= 360;
+            while (loc.lon < -180) loc.lon += 360;
+            return loc;
+        }
+
-            public function toString(precision:int=5):String
-            {
-                return [lat.toFixed(precision), lon.toFixed(precision)].join(',');
-            }
-
-        }
-}