Contribution frustrated in Mountain View, CA

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Re: Contribution frustrated in Mountain View, CA

Postby bgodette » Sun Feb 10, 2013 4:19 pm

kentsmith9 wrote:I had noticed something similar in an area near me that had a wide multi-lane road with a single 2-way segment mapping it. The road in the neighborhood parallel to the main road seemed to be closer to my car according to the GPS. Periodically it would snap me to the adjacent road and then after I passed that area it went back.

I pulled the main road segments a bit closer to the adjacent road and I also pushed the neighborhood road a further away (still on the visible street though). That solved the erratic behavior. I assume the visual map was a bit off from the physical causing the problem.
Which would be a reasonable guess except that in all recordings I'm driving in the far left lane, and it snaps to the far left side roads as well and happens in the exact same places across at least 4 known E/W roads but no known N/S roads. It all points to an error in a look-up table to convert lon/lat into map x/y, especially since it happens on Android and iOS across 5 different phones (iow not a math problem in CPU).
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Re: Contribution frustrated in Mountain View, CA

Postby kentsmith9 » Sun Feb 10, 2013 12:42 am

I had noticed something similar in an area near me that had a wide multi-lane road with a single 2-way segment mapping it. The road in the neighborhood parallel to the main road seemed to be closer to my car according to the GPS. Periodically it would snap me to the adjacent road and then after I passed that area it went back.

I pulled the main road segments a bit closer to the adjacent road and I also pushed the neighborhood road a further away (still on the visible street though). That solved the erratic behavior. I assume the visual map was a bit off from the physical causing the problem.
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Re: Contribution frustrated in Mountain View, CA

Postby bgodette » Fri Feb 08, 2013 11:57 pm

shawndoc wrote:
bgodette wrote:Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.
Do you have more details on how/why this happens? Link to a thread where this has been discussed already would be appreciated.
http://www.waze.com/forum/viewtopic.php?f=3&t=17719
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Re: Contribution frustrated in Mountain View, CA

Postby HandofMadness » Fri Feb 08, 2013 10:59 pm

bgodette wrote:
gettingthere wrote:I agree that it sounds very unlikely that Wazers driving on the main road, on a route are being snapped to the Parking Lot roads. The Waze application has a very strong snap-to-route.
Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.


Do you have more details on how/why this happens? Link to a thread where this has been discussed already would be appreciated.
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Re: Contribution frustrated in Mountain View, CA

Postby bgodette » Fri Feb 08, 2013 8:38 pm

gettingthere wrote:
bgodette wrote:Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.


Does it do the same if you are in navigation mode/on a route?
Doesn't matter.

But on the plus side, it looks like they finally took care of the speedometer resolution issue after 4(?) years.
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Re: Contribution frustrated in Mountain View, CA

Postby AlanOfTheBerg » Fri Feb 08, 2013 4:20 pm

bgodette wrote:Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.

The yellow triangle is the GPS position as the Waze client receives it (it's being displayed by the Waze client). The position of the car on map is what the client uses to determine if you're "off route".

Ugh, that looks horrible.
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Re: Contribution frustrated in Mountain View, CA

Postby gettingthere » Fri Feb 08, 2013 3:59 pm

bgodette wrote:Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.


Does it do the same if you are in navigation mode/on a route?
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Re: Contribution frustrated in Mountain View, CA

Postby bgodette » Fri Feb 08, 2013 3:49 pm

gettingthere wrote:I agree that it sounds very unlikely that Wazers driving on the main road, on a route are being snapped to the Parking Lot roads. The Waze application has a very strong snap-to-route.
Except of course when it's suffering from the GPS->Car on map translation table bug that's been present ever since 3.0, and is still in the current betas.

The yellow triangle is the GPS position as the Waze client receives it (it's being displayed by the Waze client). The position of the car on map is what the client uses to determine if you're "off route".
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Re: Contribution frustrated in Mountain View, CA

Postby gettingthere » Mon Feb 04, 2013 10:52 pm

I agree that it sounds very unlikely that Wazers driving on the main road, on a route are being snapped to the Parking Lot roads. The Waze application has a very strong snap-to-route.
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Re: Contribution frustrated in Mountain View, CA

Postby ottonomy » Mon Feb 04, 2013 7:05 pm

DaveHolzmann wrote:Continuing to get URs for this area.

Many of them along the lines of today's "helpful" details: "Moronic editors" and "Street name wrong" (on a PLot road).


When I read this, particularly "Moronic editors", I instantly thought that this was your troll. This is not the usual thought process for Wazers who are not editors themselves. They don't typically use the word 'editor'. They say "Waze" this or "you" that, but seldom refer to editors. I would be highly suspicious of these URs, and just sit back and let the dust settle on your latest edits and locks for a couple of weeks at least, before changing anything radically. You may find that once a certain individual realizes that nothing is going to change, the URs will stop.

Also consider that even if it's not the troll, since you don't know who is submitting the URs, you can't be sure it's not one particular person with bad equipment, submitting URs over and over (jasonh300 made a lot of sense with his comments above). I would advise you to drive the area repeatedly yourself traveling in different lanes, and see if Waze ever snaps you into one of those PLot roads, while in a route, or otherwise. If it doesn't happen to you, it's probably not happening to many others. Splitting a main road can help suppress URs by bringing its halves more in line with GPS tracks (so that it's closer than a parking lot road is to where a Wazer is driving), but at the same time, it can also create a whole new set of URs (snapping parking lot drivers more readily onto the main road, because their tracks are closer to it). I would be really hesitant to consider splitting Grant Rd over all this. My experience has been that Waze only snaps me onto nearby roads when there is some kind of GPS anomaly, or an actual problem with a corrupt segment or junction. On these roads of yours, I don't see very much at all in the way of aberrant GPS tracks straying from the main stream, so I highly doubt that people are actually being snapped into your parking lots with regularity. Does this happen to you?
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