Basicly, if my device is pointing the wrong direction. I can't see the value.. because the arrow is static. The arrow is always static if I don't use any of the sensor values.

On Sep 22, 2010, at 10:08 AM, Christian Buchner wrote:

this sounds trivial to me.

Just compensate the error that is introduced by not actually pointing the device north by subtracting that error from your arrow's pointing angle. No need to change any algorithm, just compensate for the "dude, you're holding it wrong"



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Pedro Teixeira

www.pedroteixeira.org

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