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Simoma / rena

Track recorder for Sailfish OS
GNU General Public License v3.0
11 stars 3 forks source link

Show speed while recording #8

Open Simoma opened 10 years ago

Simoma commented 10 years ago

Show speed while recording, possibly current and average

jdrescher2006 commented 6 years ago

Hi Simoma, good to see you back developing!!! I forked your app and have my own sport tracker application now. I implemented speed and average speed display based on the duration and distance. Although I am thinking if I should use speed over ground from the QGeoPositionInfo. What do you think?

Simoma commented 6 years ago

I think I would first try to use speed information from PositionInfo. If there would be problems, then I would implement an own algorithm from location data. Why not use data which is already calculated for you? It also might be calculated based on more data than just the location and time, which could make it more accurate. In the end, I think there should not be too much of a difference with a good signal. With poor signal I suspect that PositionInfo could give a better current speed reading. For average reading of the whole track it probably makes even less of a difference.

jdrescher2006 commented 6 years ago

OK, I will try this out. Thank you very much!