+ 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"
+
+ def to_xml_node(print_timestamp = false)
+ el1 = XML::Node.new "trkpt"
+ el1["lat"] = lat.to_s
+ el1["lon"] = lon.to_s
+ el1 << (XML::Node.new("time") << timestamp.xmlschema) if print_timestamp
+ el1
+ end