Using ReactiveExtensions to smooth compass data in WP - by factormystic
The challenge is to take the raw compass heading data, and smooth it out over time so the UI element this data is bound to (such as an arrow) won't be jittery. You can see this jitter in the SDK example for the Compass: the CurrentValueChanged event handler is fired every 20ms and jitters within the error margin for the hardware. Our task is to smooth out these data readings for a more pleasant user interface. And to make it fun, we'll be using Reactive Extensions.
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Post Contributed by: Kunal Chowdhury
Monday, May 07, 2012
Kunal is the Site Admin and Contributor of Silverlight-Zone. He is a Software Engineer, Microsoft Silverlight MVP, Code Project Mentor and a Code Project MVP. He is also an active Author in SilverlightShow.net and a speaker in various community events. He works on Microsoft Platform and very passionate about Silverlight technology. He started his career in 2007 and achieved various awards during his professional life.
He shares his findings in his personal blog: http://www.kunal-chowdhury.com and he also tweets at: @kunal2383.
