[OSGeo Africa] Android GPS tracking on offline imagery

Taryn Riddin taryn.riddin at live.co.za
Sun May 21 23:02:13 PDT 2017

Hi Zoltan
I use PDF Maps by Avenza on my Android in the field to map vegetation.  You can load orthorectified TIF images and create waypoints with notes at your current location, then export them as kml.  You can also add geotagged pictures.  Because the image is preloaded you are not dependent on cellphone signals, as long as your android is still picking up GPS location.

-----Original Message-----
From: Africa [mailto:africa-bounces at lists.osgeo.org] On Behalf Of Zoltan
Sent: Sunday, May 21, 2017 6:37 PM
To: Africa local chapter discussions
Subject: [OSGeo Africa] Android GPS tracking on offline imagery

Hi AfricaList,
I see that there is a truckload of GIS related Apps in the Google Playstore.

I've just bought the new Samsung Galaxy Tab S3 (latest Android) and would like to put some TIF format aerial orthos onto it, and view them "at my current location" (track while I drive).
Beyond that plus zoom in/out, the only functionality I might want is to drop a pin at current location, and add a short note to it.

So, given this really basic, simple need, plus the billions of Android apps in the playstore, would anyone like to recommend a really lightweight app that I can do this with?

Regards and thanks in advance,


Zoltan Szecsei PrGISc [PGP0031]
Geograph (Pty) Ltd.
GIS and Photogrammetric Services

P.O. Box 7, Muizenberg 7950, South Africa.

Mobile: +27-83-6004028
Fax:    +27-86-6115323     www.geograph.co.za

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