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compass data wrap-around issue

June 4, 2011 | 2:37 am

Hello!

I am attempting to measure rotational velocity by sampling a number of recent compass readings. This works fine except that I get spikes when it hits the wrap-around point (360 to 0 or 0 to 360). I’d like to filter those out somehow if possible.

I could lengthen the buffer to lessen their impact, but that’s not the scientific approach!

Any suggestions? Here is the patch:

– Pasted Max Patch, click to expand. –

Thanks!
MH


July 1, 2011 | 2:19 am

This worked out very well, thanks!

MH


July 1, 2011 | 2:19 am

This worked out very well, thanks!

MH


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