+ self.table_name = "gps_points"
+
+ validates :trackid, :numericality => { :only_integer => true }
+ validates :latitude, :longitude, :numericality => { :only_integer => true }
+ validates :trace, :associated => true
+ validates :timestamp, :presence => true
+
+ belongs_to :trace, :foreign_key => "gpx_id", :inverse_of => :points