Take the 2-minute tour ×
Geographic Information Systems Stack Exchange is a question and answer site for cartographers, geographers and GIS professionals. It's 100% free, no registration required.

I have created many .gpx datas with my Garmin device, but due to the amount of data, I have imported the mapping data from my device several times (also because I didn't want it to be lost)...

As a result I have now many double or even 6 times the same point (including tracks, which I displayed as points also, so that I have the elevation) after I saved all the gpx-files as shapefiles and then merged them.

Is there a way to automatically erase the duplicates with QGIS, or if not with any other free software working on Ubuntu 12.4?

I very much appreciate your help!

share|improve this question
Thanks a lot - it really worked out fine! I had a shape being merged from 3 Point-Shapes, consisting of more than 2.000 records, and some hundreds had the same origin, means being doubled in the database. So, with the 'mmqgis'-plugin, it was quite easy to "wipe" the doubled data records out of the file! –  C-John Mar 11 at 13:59

1 Answer 1

up vote 13 down vote accepted

Try the 'mmqgis'-plugin. There, go to Modify -> delete duplicate geometries and select your layer.

share|improve this answer
Nice! I didn't know this plugin! Thanks a lot :) –  Lukas Dec 14 '12 at 8:41

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.