Position indicator delayed, slow to update when navigating route about organicmaps HOT 21 OPEN

I had some thoughts on this as well. As we can assume to be located in a car when Android Auto is active, we can deduct:

• the car will move smoothly most of the time
• if the past GPS fix had a position on a road, the next has a high probability to be on the same road
• the next position will be on a trajectory following the road, speed*time since last fix ahead

This calculation will be correct most of the time. If not, the next GPS fix shall correct any false assumption.

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I didn't even consider the fact this was the intended behavior. It seems like it smoothly scrolls some of the time and then repeatedly gets stuck, repeatedly, then scrolls smoothly again over and over. I assumed since they should know the speed of the car it would at least try and guess where it would be in real time. The view on the map isn't helpful otherwise.

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Could you please check the behavior without Android Auto? We recently encountered this issue on mobile phones, and I suspect it might not be related to Android Auto.

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In my case it definitely happens on Android Auro.

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@Miq1 does this issue also occur on mobile phone?

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@AndrewShkrob I will test this out, ETA sometime tomorrow.

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@AndrewShkrob Same here, need to find a slot and will report back.

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@AndrewShkrob I can CONFIRM this bug is also present in Android standalone app. It's a bit less annoying because there are a lot more vertical pixels, but its there. I will adjust the title accordingly.

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Confirmed, happens in standalone app as well.

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So, yes, this bug is not related to AA.

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I was going to say this is a dupe of #826 but that specifically refers to when it happens in not-navigation mode. I don't know enough to say if these are the same bug or not, but perhaps a unified issue might help. I'll comment over there as well.

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Does it reproduce in November release?

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Does it reproduce in November release?

@biodranik I assume that's the non-beta version? I was able to get it on the Jan 9th release, I'll see if I can temporarily get out of the beta and run the Nov release today.

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@rtsisyk do you have any ideas?

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@wadeduvall @Miq1 do you still observe it in the recent version? And to confirm again: is the behavior the same on the phone, without Android Auto?

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@biodranik @wadeduvall I checked it again an hour ago:

• in routing mode everything is perfect. Smooth movement of the arrow indicator, most of the time heading correctly, silky auto-zoom
• in drive mode the position is updated only every 2-3 seconds, the arrow is jumping. When standing still, the arrow will turn frequently, pointing to a false direction.

It would be great to have the same smoothness and stability as in the rouing mode in drive mode as well. 😉

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The jumping behavior is intended. The position is only updated when a new GPS location comes in.

However, 2-3 seconds is too much, it looks like a bug, the interval should be 1 second. @AndrewShkrob @rtsisyk

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How is it done in routing mode? Interpolation? It obviously is possible to have a smooth behaviour.

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Smooth behavior is based on an assumption where you will be in 1 second. And it is not always accurate.

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Well, but for my taste it is a massive improvement towards the "jumping habit". What almost is annoying me most is the rotating direction when standing. The probability of a car (or else) suddenly turning in place must be close to zero normally.

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Can confirm this bug also happens to me on a google pixel 7a, it started quite recently (only noticed it today, but I rarely use navigation so idk) and is still happening as of latest update (Downloaded from F-Droid)

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