Am Sonntag, 16. August 2015, 20:11:25 schrieb Frank J.: > Hi, > I'm new on this list, come from Germany and use DT on Ubuntu. > I'm just back from my holiday-trip to Wales with many photos and some > GPS-tracks. But I have no foto of the Garmin's time-display because i > found this DT-function after the holiday.
Provided your camera's clock is still in sync with what it was when you took the pictures (i.e., you didn't change it and it didn't drift too much in the mean time) you can still take a photo of your GPS device now. The offset should be the same. > I've tried to georeference some fotos with the tracks but get no results > until now. I will have to read more and watch some tutorials, then start > new ... > > While trying I shifted the time of some fotos with different times "+1", > "+2", "-1", "-2" ... but never hit the correct position on the map. > The Camera was set to MESZ (Germany-Summer-Time). > Local time was 1 hour different. > > At this time I whish to set all fotos first back to the time it was > before, the original-time from the RAW-File. > I can see only the manipulated database-time and get no information if > it is shifted manually and in which direction. > It seems that my test-Shifts have added together and not used the > RAW-time as base. So all get confused. > > What have I to do to get back the original Camera-Time from RAW. > Will a new import from the folder be usefull? Or will I loose the work > already done on this fotos? You are right, we only store the resulting time. Not a great design, but it's the status quo (which is supposed to change some day, but don't hold your breath). Since we store all your edits in the XMP sidecars (besides grouping) while NOT adding the time to these it should be safe to remove the images from your database (select, hit <del>, maybe confirm) and then import them again. Tobias
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