I suppose you've found a decent answer yourself. I didn't think of the
Directions API. That could be a piece of the puzzle. When you query
the Directions API with a start and end address, you receive a series
of steps that lead from start to finish. You can try to extract the
start and end coordina
Thanks a lot. That is really helpful for me and gives me a lot of
safety for my project.
But I just stumbled over the following:
http://code.google.com/intl/en/apis/maps/documentation/directions/
At Directions Responses --> JSON
"overview_polyline": {
"points":
There I could get an code,
The Google Maps API does not offer the structured data that you are
looking for (that I am aware of).
This is not stashed away somewhere on the device, it isn't available.
The data exchange between the client and the Maps server side is based
on rastered (bitmap) map tiles. You'll have to find anot
Thanks for your answer, GPS Breadcrumbing seems to be really
interesting but unfortunatelly that's not what I'm working on.
The key to my project is to compare every point of a route (maybe all
points of the showed Google Maps API Polyline) and its GPS data to a
certain fixed location. That means
It sounds like you are working on GPS Breadcrumbing.
If you take a snapshot of Latitude, Longitude (optionally Altitude) at
defined time intervals during your trip you will be able to calculate
Bearing, Velocity between points and distance of each point to a fixed
other location using the handy f
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