Tool to add back the curves from downloaded gpx files

Ben Voytko
Pittsburgh, PA
Joined: May 2013
Points: 1,915

Original Post

So,  I can download the tracks in gpx format, but they only contain a small set of points, giving me a track which resembles a jagged line which represents the small amount of points before interpolation.

I want to apply a similar transformation to re-create the curved lines that are on the website, in a somewhat repeatable process that doesn't have me manually re-tracing each point with the spline drawing tool in QGIS. Does anyone know of a way that I can easily apply spline interpolation (or some other process) to my gps track data to reproduce (or better approximate) the curved track from MTB Project using free tools? Preferably on OSX?  

FWIW, topofusion seems to have the ability to do what I'm looking for, but I'm a mac user. So I'm looking for something that will work without Windows.

Basically, I'm trying to get my downloaded ride files to better match the actual track so my GPS doesn't keep telling me I'm off course as much.

— Jan 4, 2017

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