search location by latitude and longitude

Location SearchLBS, which stores the latitude and longitude coordinates of each location, searches for nearby locations and establishes a geographical index to improve query efficiency. MongoDB geolocation Index, 2d and 2dsphere, corresponds to planar and spherical surfaces. 1. Create lbs collection Storage

the point of interest and name search in lbs location application app2015-12-26 22:15:18 We know that the United States group and the public comments on the 3 billion dollars involved in the weight-level merger is very eye-catching. In this merger, the United States is the main focus of the group is the public comment on the store poi (point of interest, users are interested in the general collectively) dat

cool geographical searches. The Design Suppose we have a database of events, each with a location address. Given any arbitrary address, we need to use Lucene to produce a list of events which are within 50 miles of this address. We start by creating the Lucene index of the events, with each event corresponding to a document. in addition to the Event-related fields such as name, date, address, organizer, ETC we will also attempt to geocode the even