Indoor map display based on ol3
2016-11-29
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When the indoor environment can not use satellite positioning, the indoor positioning technology is used as the auxiliary positioning of satellite positioning to solve the problem that the satellite signal is weak and can not penetrate the building when it reaches the ground. Finally locate the current position of the object. Wireless local area network (WLAN) composed of wireless access points (including wireless routers) can realize the task of location, monitoring and tracking in complex environment. Based on the location information of the network node (wireless access point), it uses the combination of experience test and signal propagation model to locate the location of the connected mobile devices. The highest accuracy is about 1 m to 20 m. If the location calculation is only based on the currently connected Wi Fi access point, rather than referring to the signal strength composition diagram of the surrounding Wi Fi, then the Wi Fi location is prone to errors (for example, positioning floor error). Through the use of WiFi fingerprint positioning, the positioning points are displayed on the map, and ol3 is used as the map engine to display the published indoor map service.
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