Doubt regarding map (to calculate distance between two sets of coordinates)

[SteveJG]

This is a CloudDB example. It shows how to save a user's location to the CloudDb; the Blocks to save a location to a Tag would be similar if using Firebase. See the ShareYourlocation aia in the tutorial.

How to broadcast a GPS location and share the information on a map with others in real time..CloudDB

[bus2] How to broadcast a GPS location and share the information on a map in real time. Two similar apps explore the basics of how to share a location using a single screen and a real time database. One app user beacons, the others monitor (view his/her) location map using the same app. Share Your Location is a basic app to share a map of your location with others who have installed your app. The example tracks a single user who beacons his/her location. Provide separate Tags for other u…

@Oye_Lucky

how can i identify if user a is 5km away from user b or he is not

• Save the different locations using separate Tags.
• Calculate the distance between any two locations

To calculate distance between thee two locations, use one of the methods shown here Calculer la distance entre son domicile et un point donnée dans une textbox - #2 by SteveJG.

Here is another way to find out how far away one location is to another Location sensor (ringed fence / circular ringed fence)

and another example that calculates a distance matrix Social Distancing ... a CloudDB / Location Marker Tutorial

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