- el1['id'] = this.id.to_s
- el1['lat'] = this.latitude.to_s
- el1['lon'] = this.longitude.to_s
- split_tags(el1, this.tags)
- el1['visible'] = thiss.visible.to_s
- el1['timestamp'] = this.timestamp.xmlschema
- root << el1
+ el1['id'] = self.id.to_s
+ el1['lat'] = self.latitude.to_s
+ el1['lon'] = self.longitude.to_s
+
+ # el['user'] = self.user.display_name if self.user.data_public?
+ user_display_name_cache = {} if user_display_name_cache.nil?
+ if user_display_name_cache and user_display_name_cache[self.user_id]
+ # use the cache if available
+ else
+ user_display_name_cache[self.user_id] = self.user.display_name
+ end