--- Log opened Mon Oct 09 00:00:21 2017
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03:34 #navit: < jkoan> ilovekiruna: I don't know the gentoo packages, sorry.
03:35 #navit: < jkoan> Kazer yes, a hook would be really nice exactly for Windows and so on
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06:14 #navit: < ilovekiruna> jkoan: I meant could that library be useful on Sailfish to get a better t2s
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16:46 #navit: <@KaZeR> hi there
16:46 #navit: <@KaZeR> hey mvglasow ! good to see you!
16:47 #navit: <@KaZeR> afk 90 minutes
16:52 #navit: < mvglasow> Hi KaZeR, good to see you here too—I was looking for you!
16:53 #navit: < mvglasow> I’ll be afk for around the same time, hoping to see you around later
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19:40 #navit: < mvglasow> Hi again KaZeR, I'm back
19:57 #navit: < ilovekiruna> hi everzone
20:38 #navit: <@KaZeR> hey mvglasow !
20:38 #navit: <@KaZeR> good to have you around. how have you been?
20:48 #navit: < mvglasow> Hi KaZeR, I'm doing wel, just been kind of busy lately
20:49 #navit: <@KaZeR> yeah, it happens :)
20:49 #navit: < mvglasow> also working on some stuff that might see integration into Navit someday, but that's still in its infancy
20:49 #navit: <@KaZeR> i love to hear about ideas. want to share more?
20:50 #navit: < mvglasow> One's about integrating traffic reports. Currently I'm working on parsing TMC data.
20:50 #navit: < mvglasow> A test app (which ATM just displays TMC messages) is on Gitlab.
20:51 #navit: <@KaZeR> then you should speak with jkoan he's working on the exact same thing
20:51 #navit: <@KaZeR> nice! url ?
20:51 #navit: < mvglasow> Thanks for the heads-up, will do
20:51 #navit: < mvglasow> The code is at https://gitlab.com/mvglasow/qz
20:52 #navit: < mvglasow> What I have in mind is a generic interface for traffic news
20:52 #navit: < ilovekiruna> jkoan: Have you already updated jolla?
20:54 #navit: < mvglasow> Navit would than just need that generic interface. And, of course, make sense of the incident reports.
20:55 #navit: <@KaZeR> nice mvglasow. let me know how i can help you integrate that in navit when you feel ready for it, happy to do so
20:56 #navit: < mvglasow> The other thing is inertial navigation, but that is even less mature. I can somewhat reliably identify the vehicle Z axis, but extrapolating bearing (using the last GPS bearing, vehicle Z and gyroscope) is already getting more difficult
20:57 #navit: < ilovekiruna> mvglasow: Just as an idea, doesnt such thing exist in the area of UAVs?
20:59 #navit: < mvglasow> ilovekiruna: I've seen one such project but can't really make sense of the code. Currently I'm relying on Android as a platform and its GPS and sensor APIs, iirc they have some homebrew hardware, thus porting the code will involve a lot of work
20:59 #navit: <@KaZeR> ilovekiruna: it does. the algorithm isn't especially difficult, the tricky part is to implement it
21:00 #navit: < mvglasow> but maybe I should indeed take a closer look at it
21:00 #navit: < ilovekiruna> KaZeR: I c, i just asked because as you say it is not completely uncommon in other applications
21:00 #navit: < ilovekiruna> UAVs, mobile robots, satellites
21:01 #navit: < mvglasow> The tricky part is that the whole process is very error-prone. Errors accumulate, and even a small error can derail everything. On top of that, the sensors in smartphones do a rather poor job.
21:02 #navit: < mvglasow> And if you combine this with a smartphone which is (at bast) in a car cradle, calibration is difficult (has to be done on the fly).
21:03 #navit: < mvglasow> KaZer: I notice OpenID with a wiki account no longer works on trac
21:03 #navit: < mvglasow> I get an error message:
21:03 #navit: < mvglasow> Warning: Invalid argument supplied for foreach() in /var/www/html/extensions/OpenID/SpecialOpenIDServer.body.php on line 686
21:09 #navit: <@KaZeR> mvglasow: odd. thanks, will look into it
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21:10 #navit: < mvglasow_> thanks
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21:25 #navit: <@KaZeR> mvglasow: i'm looking for some help to get qt5 to work on android. would you be interested?
21:25 #navit: <@KaZeR> we have a functional graphics driver, we just need to get it to work on android
21:26 #navit: < ilovekiruna> mvglasow: You are right, this is really usually the issue
21:27 #navit: < ilovekiruna> thats why it is time to time updated
21:28 #navit: < ilovekiruna> cant one correlate the track from the gps signal to the gyro / accellerometer readings?
21:29 #navit: < ilovekiruna> maybe i am also wrong, just my 2 cents
21:31 #navit: <@KaZeR> ilovekiruna: you can, and there's been a few attempts to do it in the past. the issue as mvglasow said is that errors will add up. 
21:32 #navit: < ilovekiruna> i know that it is a very common problem.
21:32 #navit: <@KaZeR> it's like looking at something far away, blindfolding yourself and trying to get there. the further (longer) you walk, the further you'll diverge from your trajectory :)
21:32 #navit: < ilovekiruna> i know
21:33 #navit: < ilovekiruna> hv a little experience
21:33 #navit: <@KaZeR> oh ok. If you want to take a stab at it we could implement something as a fake vehicle source
21:33 #navit: < ilovekiruna> but thats why I asked about the synchronisation of gyro / accelerometers with GPS at some point
21:33 #navit: <@KaZeR> or as a filter
21:34 #navit: < ilovekiruna> rather limited, thats why i share the only thing i know ;-)
21:34 #navit: <@KaZeR> it's a start :)
21:36 #navit: < ilovekiruna> u know the general scheme is a so-called kalman filter for sensor fusion
21:40 #navit: < mvglasow> KaZeR: sorry, I have little experience in that area. Not sure how much energy I can dedicate to Navit in the near future, but I have some minor improvements in the pipe, such as improving responsiveness while (re)calculating long routes
21:40 #navit: < mvglasow> have to go now. see you later!
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21:41 #navit: < ilovekiruna> see you later mvglasow
21:41 #navit: < ilovekiruna> KaZeR: can have a look later on, on the topic, it is interesting
21:41 #navit: < ilovekiruna> but at first I really want to have useful tests on the device farm
21:48 #navit: <@KaZeR> ilovekiruna: yeah definitely. and those tests would help us test qt5 on android soon :)
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--- Log closed Tue Oct 10 00:00:23 2017