I have sampled a small hike using Naviguide software, and have the output file as twl. I tried earlier to convert it into gpx using GPSBabel, and the actual conversion worked, but the upload to OSM failed giving me an error regarding less than 75% of the waypoints contain Time data. Checking the converted GPX file, I see no that indeed waypoint had the Time element, even though they all had the time (In a slightly different format) in the Comment element.
Is there an easy way to convert such a TWL file so I can use the samples up in OSM?
Note - both the original TWL and the converted GPX appear just fine when viewed on Google Maps using the GPSVisualizer web site.
asked 22 Dec '10, 21:23
You could try opening the GPX file in JOSM - it should be able to open it fine, even if it doesn't have any timestamps. You can then trace over it, or add nodes as appropriate.
It is not necessary to upload the GPS trace to openstreetmap.org (though it is often helpful to do so).
answered 23 Dec '10, 15:06