[android-developers] Re: Inertial Sensor on HTC Hero

2009-10-23 Thread ko5tik
On Oct 1, 12:07 pm, DD wrote: > get the both at the same time. Therefore, G is decomposed based on the > values of pitch and roll that are always "out of date"; they are not > corresponding to the new acclerations. This is where the error comes > out. I would say, g is already decomposed by

[android-developers] Re: Inertial Sensor on HTC Hero

2009-10-01 Thread DD
Hi there, I guess I'm doing the pretty much same project as you r. Actually I've no idea about how to answer your question...but just wanna ask you how you filter G out? You mentioned " I creates a threshold of ±1 m/s^2 for every output of accelerometer to filter out which sample is gravity (9.8

[android-developers] Re: Inertial Sensor on HTC Hero

2009-09-27 Thread LVMH
Does anyone work with sensors on Android have any go around to solve this problem? On Sep 25, 5:15 pm, LVMH wrote: > Hello, > > I am trying to develop an indoor inertial navigation system on the HTC > hero with the built-in accelerometer and digital compass. > > As far as I know about hardware,