search

paoservis / osmtracker-android

Automatically exported from code.google.com/p/osmtracker-android
GNU General Public License v3.0
0 stars 0 forks source link

GPS status screen #116

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
Since I mostly take pictures with a digital camera rather than my cell (more 
comfortable in operation and better picture quality... and did I mention that 
one of my two phones is a Freerunner which doesn't have a camera) - I need to 
take a photo of the screen showing GPS time when I start mapping so that I can 
later geotag the photos.

So far I have to use a non-free (adware) application for that, which is kind of 
awkward - it would be easier if this functionality were available directly 
within OSMTracker for Android (possibly through a menu item, available from 
both the track list and the tracking view). Showing other GPS data 
(coordinates, number of satellites etc.) might be of interest as well (and 
probably not much extra work).

Main requirement is *big* fonts, since the main purpose is to photograph this 
off a high-gloss screen in bright sunlight.

Original issue reported on code.google.com by mich...@vonglasow.com on 15 Feb 2011 at 6:50

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
Nice idea.

Have you tried to use some picture geotagging software to try to tag 
automatically the pictures with the location based on timestamp ? Something 
like that: http://code.google.com/p/gpicsync/ ?

Original comment by nicolas@guillaumin.me on 16 Feb 2011 at 9:03

GoogleCodeExporter commented 9 years ago 
I use the geotagging features in JOSM, with the photo_geotagging plugin to 
store the coordinates in the EXIF data permanently - which is, as I understand 
it, what the software you mentioned does.

I suppose the software you mentioned correlates pictures to GPS trackpoints by 
timestamps. Since the camera's internal clock will typically not have the 
accurate time (time difference to UTC may easily be a minute), timestamps need 
to be "synched". This is done by taking a photo of the GPS receiver showing the 
time reported by the GPS and comparing the time displayed to the photo's EXIF 
timestamp. This will tell you the "drift" between both clocks and allow for 
precise correlation. Which is why being able to display the time reported by 
the GPS is crucial...

Original comment by mich...@vonglasow.com on 16 Feb 2011 at 7:13