ignore gps updates when under a given speed threshold

[KaZeR]

With most gps unit, if you are stopped, the gps issues incorrect bearing which make the map to jump if you have set auto-centering. It could be avoided by ignoring gps updates when speed is like <5km/h

[singesang]

In addition, it should be updated again when the last shown position and the last reported position differ to much

[Tinloaf]

Fixed in revision 1769.

[Ernia]

this issue seems to be still presente in navit-svn-2032 for n770/n800/n810. navit's deb is ​http://download.navit-project.org/navit/n800/svn/navit-svn-2032.deb, device is a n810, my navit.xml is here: ​http://pastebin.com/m48e1d73a let me know if i'm supposed to give you more elements. thanks a lot

[Tinloaf]

In revision 2091 we added a cumulative displacement filter, which should filter these updates out. Could you please update to at least 2091 and tell us if the problem persists? Thanks.

[Tinloaf]

Since we didn't get a response here, and other users confirmed it works, I assume this is fixed with revision 2091.

[Patmulchrone]

I still experienced this bug on an n810. I have added a patch to use the direction from the cdf to redisplay the map. The compass still jumps all over the place when sitting still.

[SLAM-ER]

This bug is still present for the n810 as of svn2310, at least in the case of weak GPS signals. The map does not rotate as long as the speed is 0km. However when the GPS readings are weak the position data might jump around from place to place causing Navit to start redrawing the map.

[akashihi]

Fixed in ​r3445

The r3445 added ability to specify per-vehicleprofile speed/distance thresholds for static position detection.