It appeared to work that way on the simple field test I conducted. I'll think up a more rigorous field test and report back one way or the other. I believe the WAAS (Wide Area Augmentation Systems) works in a similar manner. It measures the deviation from a know position and broadcasts the correction. I'm proposing a more local version. Tom B
On Sep 29, 7:10 am, Mark Murphy <[email protected]> wrote: > On Wed, Sep 28, 2011 at 10:59 PM, Thomas <[email protected]> wrote: > > I thought it was more like owning the casino and dealing from your own > > card deck. > > I suspect that what lbendlin is trying to say is that you are making > an assumption: that the error introduced in one GPS coordinate has a > relationship to the error introduced in other GPS coordinates: > > "No matter, I only needed today’s apparent location from a fixed > point and I had the apparent location for the fixed location. The > other waypoints were all in relation to the given point on the > measurement day. All I had to do was determine the offset between > today and the original measurement day and I could add the offset to > all the other points as the game was being played and the waypoints > would maintain their relative distance even though the apparent > location had shifted." > > It is entirely possible that GPS works that way -- I haven't > researched the point. However, I certainly wouldn't assume it works > that way. Moreover, it would stun me if it *did* work that way, at > least for consumer-grade GPS. > > -- > Mark Murphy (a Commons > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > Android Training in NYC:http://marakana.com/training/android/ -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
