[OSGeo Africa] Android GPS tracking on offline imagery
chris at airphotoafrica.co.za
Mon May 22 00:27:03 PDT 2017
IF I understand correctly then perhaps one of the more advanced Garmin
units would fit the bill ? -- "less travelled roads and holiday".
Seeing as you mentioned Android what about Tracks4Africa -- which if I
understand correctly will work on Android and is locally developed ?
Granted it is more of a SatNav type of application and will therefore be
limited in terms of your other requirments -- it is also not "free"
Hhmm I see that on the website they are promoting a "try now for free"
On 22 May 2017 at 8:44, Catchall wrote:
> Hi Walter,
> Amazing what one finds on their doorstep, hey? :-)
> You hit the nail on the head when you said "less travelled roads" and
> "holiday" - that's exactly the reason I'd like to use it for.
> Cheers for now,
> On 2017/05/22 08:02, Walter Smit wrote:
> > Hi Zoltan
> > I am amazed that Aslam has not already replied with "PDF Viewer"...NGI
> > actively promotes it.
> > Personally I have all the 250k topos on my tablet and also upload any
> > 50k topos (tifs work fine) of areas that I want to go to. You can even
> > make maps (with routes/point of interest etc and the background you
> > prefer) in a GIS package of your choosing and provided that package can
> > save a georeferenced PDF, you can then save that on the tablet. I have
> > successfully used this on holiday, when driving along the "less
> > travelled" roads - checking my location relative to the planned route
> > and 50k topo images.
> > You certainly can see you current location and I believe you can drop
> > some pins. It is also free (last time I checked they wanted to sell you
> > maps/data, which we don’t need). Scrolling is smooth on my tablet.I
> > certainly would not recommend it as a spatial data capturing app, but it
> > certainly is good as an informal tool.
> > Negatives: It crashes often on my tablet, but only when I am doing
> > uploads/processing. I don’t recall it crashing during actual use.
> > Uploading many separate files/tifs is cumbersome. Get a good sized SD
> > card...it duplicates your tifs into what I suspect are tiles and/or
> > pyramids. It is picky about the types of tifs it consumes, but I cannot
> > remember which...I suggest starting with uncompressed RGB images.
> > Hope that helps
> > Walter
> > -----Original Message-----
> > From: Africa [mailto:africa-bounces at lists.osgeo.org] On Behalf Of Zoltan
> > Sent: 21 May 2017 06:37 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
> 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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