From: android <here@there.was>
Subject: Re: Geotagging app
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From: android <here@there.was>
Newsgroups: rec.photo.digital
Subject: Re: Geotagging app
Date: Sun, 05 Nov 2017 06:48:57 +0100
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In article<CsCdnRcB3sTks2PEnZ2dnUU7-fnNnZ2d@giganews.com>,
 Alan Browne<alan.browne@freelunchvideotron.ca> wrote:

> On 2017-11-04 10:55, PeterN wrote:
> > On 11/3/2017 7:00 PM, Alan Browne wrote:
> >> On 2017-11-03 17:39, Alfred Molon wrote:
> >>> Caan anybody recommend an Android app which records position and 
> >>> altitude, and later you can add that data to the exif of JPEGs and
> >>> RAWs?
> >>
> >> Any trail logger that saves (or exports) date in .kml, .kmz, .gpx, 
> >> .log (NMEA sentences) should do the trick.  But do check that it 
> >> supports altitude, esp. NMEA files as many do not record altitude.
> >>
> >> Google Play is the source.
> >> This looks promising:
> >> https://play.google.com/store/apps/details?id=com.ilyabogdanovich.ge...
> >> r&hl=en 

Available on Aptoide too:

<https://www.aptoide.com/search/view?search=com.ilyabogdanovich.geotr...
r>
> >>
> >>
> >> I use a German product called "Trails" on my iPhone - alas not 
> >> available for Android.
> >>
> >>>
> >>> I'm using O.I.Share for the E-M1 II but it doesn't record the
> >>> altitude.
> >>
> >> As a stopgap you could snap a photo with the Android camera and (if 
> >> properly set) that data would be saved in the snap for later transfer 
> >> to the other photos. (tedious).
> >>
> >> Pretty much any "trail logger" can be used for what you want to do and 
> >> usually the "tagging" can be made automated in post process.  You do 
> >> need to know the offset from "real time" to your camera's time in 
> >> order to do that - no big deal using exiftool.  (ie: your time zone 
> >> and the difference between "correct" time and the camera's time 
> >> (unless you sync'd it all before going out).
> >>
> >> Important note: GPS altitude ≠ altitude above sea level of where you 
> >> are as the GPS ellipsoid is not referenced to sea level.
> >>
> >>
> > 
> > I do it the easy way. I take a snap of the location with my iPhone. All 
> > relevant information is recorded.
> 
> That sounds like the hard way given what the OP wants to do.
> 
> The OP's issue is automated tagging his Oly phots.  Similar to me 
> tagging my SLR phots.  (Though I usually use an independent GPS recorder 
> I can also use my iPhone for that).
> 
> If you record GPS continuously then tagging any number of photos after 
> the fact takes a minute to set up and a few seconds to execute using a 
> tool like exiftool or any one of a variety of GUI based tools.
> 
> exiftool -geotag=GPS_20171103_162238.log -overwrite_original_in_place 
> -geosync=-4:00:00 *.dng
> 
> (Just need to navigate to the folder containing the dng's before 
> executing the command.  I keep a "template" of the command in a text 
> file so I just need to paste that into terminal, modify the gps file 
> name and let 'er rip).
> 
> Recording the position in a single shot is a fine backup, but pretty 
> tedious if you have 50 - 100 photos to tag afterwards.
-- 
teleportation kills