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How to recognise each POI in a 6 floor shopping mall?

How to recognise each POI in a 6 floor shopping mall?


Thank you very much. trying to now. will report after this.

the gps vertical accuracy is a problem. if you know the user's altitude (e.g. it is fixed) you can inject that as a custom location. Please see the native SDK documentation (javadoc or xcode doc) for more information on how to inject a location.

If you need to cover a broader area you could use a service that returns the altitude based on a latitude/longitude location. There are elevation models available that could be used to interpolate the altitude information.

I'm trying to differenciate each shop lot in a 6 floor Shopping Mall. but it can't analyze each shop in different floor. is there any solution? as the GPS will have +- 16meter for the location.  and how much different i need to set in same coordinate degree?  
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