What is POI
POI is the abbreviation of “PointofInterest”, which can be translated as “Point of Interest”. In GIS, a POI can be a house, a store, a mailbox, a bus stop, etc. Traditional GIS collection methods require maps, which can be used to collect the information. Traditional geographic information collection methods require map surveyors to use sophisticated mapping instruments to obtain the latitude and longitude of a point of interest, and then mark it down. Precisely because POI collection is a very time-consuming and laborious work, the number of POIs represents the value of the whole system to a certain extent for a geographic information system. 
Each POI contains four aspects of information, name, category, longitude, latitude, comprehensive POI information is a rich navigation map of essential information, timely POI points of interest to remind the user of the road branching and the surrounding buildings detailed information, but also to facilitate the navigation to the various places you need to check, choose the most convenient and smooth road to path planning, therefore, navigation Map POI how many conditions directly affect the degree of navigation.
What does POI mean
POI is the abbreviation of “PointofInterest”, which can be translated as “Point of Information”, and each POI contains four aspects of information, name, category, latitude and longitude, and the neighborhood. Each POI contains four aspects of information, name, category, latitude and longitude, nearby hotels, restaurants, stores and other information. We can call it “navigation map information”, navigation map data is the cornerstone of the entire navigation industry.
POI is the core data of location-based services, and it is widely used in electronic maps, such as destinations selected before navigation, checking the surrounding restaurants, and so on.
What is the meaning of POI behind the drawing size
Full spelling “PointofInformation”, that is, “point of information”.
Electronic maps generally use bubble icons to indicate POI, such as attractions on the electronic map, government agencies, companies, shopping malls, restaurants, etc., are POI, POI is based on the most core data of the location-based services, the use of a wide range of scenarios on the electronic map, such as navigating before the selection of destinations, view the surrounding restaurants, etc.
What is the meaning of PointofInformation?