GPS Maps

[KChad]

what knowledge do I need to build the above.

[OReubens]

Topology, trigonometry, coordinate transformations/projections, cartography. In various amounts depending on what you actually want to get at.

[tiliavirga]

You could have a look at the Google Maps APIs

https://developers.google.com/maps/

[Brad Jones]

Sorry to hijack this thread, but my question related.... Does anyone know if the Google Maps API (or any other) will allow you to identify (and color) properties. I've seen a web site that does something similar so I'm trying to find out how I can do it. For example, I've attached an image:



You can see the green lines in the map. Those outline properties. I want to be able to identify the properties and change their color once selected. Can this be done with the Google API? Anyone seen any free, Open Source code doing this?

Thanks!