Zhengzhou Depot Electronics Car GPS electronic map specific content should include the following: (1) road network. It is a vehicle monitoring and dispatching system electronic map of the most important components of car GPS positioning Luohe how much money is the whole basis of the electronic map, but also the data source path planning, map matching, map-assisted positioning algorithm. In addition to the physical characteristics of the road and geometric properties outside the car GPS positioning Luohe price, as well as the expression of topological relations section of the road network, the speed limit, the type of vehicles that a single existing line, closed to traffic routes, prohibited turns and other relevant traffic information. (2) blocks. (3) river and rail. (4) geographic features, parks, green land and the lake. (5) the feature point party and government organs, finance, post offices, hospitals, research institutions, universities, enterprises, hotels, tourist areas, a comprehensive commercial buildings, entertainment venues, bus and railway stations, ticket offices and gas stations . (6) administrative regions. Double Electronic Technology Co., Ltd. Zhengzhou main function dense Baba freight company designed the entire vehicle GPS positioning dispatch system: 1, real-time positioning: real-time query the specific location of the vehicle 2. Vehicle Tracking: You can track the vehicle position information within a specified time 3, onboard condition: the ability to display real-time GPS positioning platform scheduling system on each vehicle loading conditions, call center platform based on vehicle status display Luohe car GPS positioning company, schedule tasks to the vehicle 4 Key Find: Find the specified location 5 nearby vehicle condition, mileage statistics: the number of real-time queries 24 hours mileage 6, the whole record: the vehicle within six months with data playback and recording 7, speed alarm: set the maximum speed of each vehicle, the driver exceeds the speed limit to strengthen the security of travel of the vehicle 8, voice broadcast: platform can send a voice message to the vehicle