Use QuadTiling in GPS point queries.

[rails.git] / app / models / tracepoint.rb

diff --git a/app/models/tracepoint.rb b/app/models/tracepoint.rb
index dd75ce0e95f104f96d831ca5880e55cf66d96640..a8212d48221bde8b90f3dcf76626729b4a818703 100644 (file)
--- a/app/models/tracepoint.rb
+++ b/app/models/tracepoint.rb
@@ -6,4 +6,33 @@ class Tracepoint < ActiveRecord::Base
 
   belongs_to :user
   belongs_to :trace, :foreign_key => 'gpx_id'
+ 
+  def self.find_by_area(minlat, minlon, maxlat, maxlon, options)
+    self.with_scope(:find => {:conditions => OSM.sql_for_area(minlat, minlon, maxlat, maxlon)}) do
+      return self.find(:all, options)
+    end
+  end
+
+  def lat=(l)
+    self.latitude = l * 1000000
+  end
+
+  def lng=(l)
+    self.longitude = l * 1000000
+  end
+
+  def lat
+    return self.latitude.to_f / 1000000
+  end
+
+  def lon
+    return self.longitude.to_f / 1000000
+  end
+
+  def to_xml_node
+    el1 = XML::Node.new 'trkpt'
+    el1['lat'] = self.lat.to_s
+    el1['lon'] = self.lon.to_s
+    return el1
+  end
 end