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Old 12-01-2009, 07:17 PM
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Re: Touch Pro and Touch Pro 2 GPS polling tweaks

Quote:
Originally Posted by BooDaddy View Post
All you have to do is google search "Touch Pro gps lag".... TONS of stuff on it. Heck, there is tons of stuff over at XDA Developers about it. The TP2 and TP1 share the same hardware....just go into the TP1 forums and you will see tons of lag threads if you search.

Theres definately something to it.
There may be something about ALL Qualcomm based GPS units that they are not as fast as $2000.00 car units or $700 Garmin units. But those may have other means of getting "smoother" updates.

There are many ways of doing better than 1 update a second.

You can do interpolation (which is what all the chatter is about on XDA).
You can use gyro and compass to esimate between updates.
There are systems that do 1000hz for military.
You can also pan the screen smoother from one update to the next to make it feel continuous (I believe this is what high end Nuvi's and car systems do).

But for the average Joe 1-2 seconds per update works really well for walking or driving. I've been using them since the HTC 6600. The Touch Pro2 is the best GPS Unit I have had.

If you are doing a LOT worse than that and you have set up everything correctly I don't know what else to say.

I'll try to video it walking and driving but my camera that does video is at my lake house.

What we really should test with is an application that has time stamps and positions so we can compare notes. We may be seeing the same performance and some are satisfied and some are not. Or there may be sometime very different.

I know we are both trying to help.
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