Multi-Playback for multiple laps within a single track

[TobyF]

Hey Scott - Think lap race...  it would be cool to be able to use multi-playback to simultaneously view different laps within a single gpx file so you could more easily visually compare the laps.

Or...  if there were a way to easily delete all of the points that are not part of a specific lap then it wouldn't be to hard to split it into multiple gpx files, each containing a single lap, and use the existing multi-playback functionality.

Maybe this is already possible some way that I haven't figured out.

Thanks,
Toby

[ScottMorris]

Hey Toby,

Best way to do this right now is to use the cut tool to cut the track right at the start/finish.  If there is a warmup or doodling before the first lap, right click on that track (in pan mode) and delete it.  Now save the new file out if you want.

When you do multitrack playback you'll get a dot for each lap.  Use "start all at the same time" and they should start at the start of the track.  You may want to assign different colors to each track by right clicking on each one (pan mode) and choosing "track properties."

I think you can also name each track there and it'll show instead of file name, but havent' checked.  You can definitely save out each lap to a gpx file and name it by filename that way.

Hope that helps.  An auto way to do this would be cool.  There's also "lap analysis" that will try to find the start/finish of laps and give you stats per lap.  Give that a try if you're curious.

[TobyF]

Excellent Scott!  That worked perfectly. 

For some reason I thought that if I wanted to separate out lap 1 from laps 2 and 3, for example, I would have to delete all of the points in laps 2 and 3.  Obviously that is not the case.

Thanks for your quick response and for already having the functionality I was looking for 

[kimberleywil]

Hey Toby,

Best way to do this right now is to use the cut tool to cut the track right at the start/finish.  If there is a warmup or doodling before the first lap, right click on that track (in pan mode) and delete it.  Now save the new file out if you want.

When you do multitrack playback you'll get a dot for each lap.  Use "start all at the same time" and they should start at the start of the track.  You may want to assign different colors to each track by right clicking on each one (pan mode) and choosing "track properties."

I think you can also name each track there and it'll show instead of file name, but havent' checked.  You can definitely save out each lap to a gpx file and name it by filename that way.

Hope that helps.  An auto way to do this would be cool.  There's also "lap analysis" that will try to find the start/finish of laps and give you stats per lap.  Give that a try if you're curious.

Hey Scott,

Many many thanks for the informative post. It really helped me a lot


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