More evidence Map Problems use OLD GPS DATA

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Re: More evidence Map Problems use OLD GPS DATA

Postby jasonh300 » Wed Jun 27, 2012 6:11 pm

I've seen evidence of current GPS tracks, but if we're seeing GPS tracks from the past 6 months, they're no good in a situation like Alan's. I ran into a similar problem with a bridge that's being "improved", resulting in shifts in lanes every few weeks. The IGN editors kept putting the roads back where they used to be based on the old GPS tracks.

The old GPS tracks should go away when they're 14 or 21 days older than the newest tracks.
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Re: More evidence Map Problems use OLD GPS DATA

Postby CBenson » Wed Jun 27, 2012 5:11 pm

I'm not up to 9 out 10. The map problems still identify many erroneous turn restrictions around here. But the majority are either bogus or irrelevant.
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Re: More evidence Map Problems use OLD GPS DATA

Postby mapcat » Wed Jun 27, 2012 5:06 pm

9 out of 10 map problems are bogus. Just get rid of the damn thing!
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Re: More evidence Map Problems use OLD GPS DATA

Postby CBenson » Wed Jun 27, 2012 5:02 pm

:x I didn't realize that there was any question at this point that the GPS data used to generate map problems is old. The last I had heard the explanation was they needed to use old GPS data to make sure they generated all the relevant map problems. I will attest that examples like you posted happen quite frequently.

It is also a problem that the GPS layer is not updating. When you are trying to keep up with road changes in a construction zone it would be so much easier if you had up to date GPS tracks to rely on.
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More evidence Map Problems use OLD GPS DATA

Postby AlanOfTheBerg » Wed Jun 27, 2012 4:51 pm

Despite Waze employees repeatedly assuring us that Map Problems algorithms use the latest GPS data which we cannot even see on the GPS layer, here's more proof that this is a load of crap.

https://www.waze.com/editor/?zoom=6&lat ... TTTFTTTTFT

The three new map problems here are totally bogus. The T-intersection was replaced by a roundabout as shown in the editor three weeks ago. I have drives proving this to be true. Yet the Map Problems, which just appeared today (I cleaned all problems around this area yesterday), show old GPS traces where there simply is no road any longer. It's been removed. No one has driven along these "latest drives" in over three weeks. Why did these just appear now?

Here's a screenshot of a drive I took back on June 12 through the new roundabout as more "proof" for Waze to fix the damn Map Problems algorithms:

Screen Shot 2012-06-27 at 9.48.10 AM.png
(421.35 KiB) Downloaded 1357 times


And compare to the "Latest Drives" garbage:

Screen Shot 2012-06-27 at 9.50.10 AM.png
(377.45 KiB) Downloaded 1357 times


I sent a pissed-off message to support.
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