Research on Updating Method of Point Features in Earthquake Emergency Basic Database Based on Gaode Map POI
The earthquake emergency basic database is a comprehensive database that plays an important role in earthquake emergency and disaster prevention processes,and is an important part of the earthquake emergency command technology system.With the development of online maps,interest point data has the characteristics of diverse types and full coverage.The current process of updating earthquake emergency basic data has problems such as untimely data updates.Taking Liaoning Province as an example,this article uses the Gaode Map to update and supplement the Liaoning Province Earthquake Emergency Basic Database,and performs coordinate transformation,coordinate correction,standardization,and fine classification processing on the data.Based on this,a distribution map of interest points is drawn,aiming to improve earthquake emergency response capabilities.
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NSTL
万方数据
