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Option to mass delete geo information from images #28

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
I mistakenly set too large "time difference for nearest trackpoint"
interval as I thought that "interpolation" feature works even for larger
pauses in your track log (for example I had my GPS turned off for 1 hour
during my drive and i thought GpicSync will interpolate positions for this
missing part of tracklog). Now I have some pictures geotagged with the last
position in the track log before the longer pause (which is not true).
Now when I want to correct it, and set standard interval of 120 seconds,
only those pictures fitting this condition get re-tagged. Could there be an
option to delete geo information from pictures which can't be tagged? Or
just some mass erase feature?

What version of the product are you using? On what operating system?
I'm using version 0.99 for Windows

Original issue reported on code.google.com by marek.co...@gmail.com on 1 Jun 2007 at 8:54

GoogleCodeExporter commented 9 years ago 
"""

I mistakenly set too large "time difference for nearest trackpoint"
interval as I thought that "interpolation" feature works even for larger
pauses in your track log (for example I had my GPS turned off for 1 hour
during my drive and i thought GpicSync will interpolate positions for this
missing part of tracklog).
"""

Hello marek.conga,

There shouldn't be any problem if you make a pause. When I do a hike I often 
switch
off the GPS when making a "long" pause (for launch for example) and I never 
noticed
any problem even with the interpolation on.

In fact the soft search for all valid trakpoints  with time associated and 
ignore all
the rest (it doesn't care if there has been some pause) :
http://code.google.com/p/gpicsync/wiki/TroubleShooting

Maybe the other part of the track didn't have time information in their 
trackpoints
or there was a time offset problem (difficult for me to know for me without 
your data)

"""
 Now I have some pictures geotagged with the last
position in the track log before the longer pause (which is not true).
Now when I want to correct it, and set standard interval of 120 seconds,
only those pictures fitting this condition get re-tagged. Could there be an
option to delete geo information from pictures which can't be tagged? Or
just some mass erase feature?
"""

There is a "make backup" option which is checked by default for this purpose. 
So you do the sync. and if it doesn't work as expected you have your backup 
pictures
you can reuse. Of course nothing stop you do to do your own backup.

What you could maybe try to correct the problem is to make two folders (before 
and
after the pause) and sync them with your 
gpx file (you can cut it in two parts eventually: before and after).

I update here a list of other geocoding software which could maybe fit your 
needs:
http://code.google.com/p/gpicsync/wiki/OtherGeocodingSoftware

You can also manually change the GPS values in your EXIF with this tool:
http://www.sno.phy.queensu.ca/~phil/exiftool/

Thanks

francois

Original comment by francois...@gmail.com on 1 Jun 2007 at 12:00