presentation of map hierarchies at different zoomniveaus

摘要

system, which includes one or more computergeru00e4te,the following are configured to receive a request for the map with a first zoomniveau; accessing a hierarchy of geographical locations; the setfrom the hierarchy of geographical locations, a first set of geographic locations.on the card with the first zoomniveau are presented, providing the first sentence of geographical locations, receive a request to view the map with a second zoomniveau; establish that a zoomniveau limit value has been exceeded, which define the hierarchy of geographical locations, a second set of geographic locations.on the map in the second zoomniveau are presented; and providing the second sentence geographical sites to view.