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Incorrect harvesting of location from some images #2

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burkmarr opened this Issue May 29, 2017 · 1 comment

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burkmarr commented May 29, 2017

This problem was reported in an email from Andrew Stanger:

Most of my records are a little bit east of the Greenwich meridian. When I import data from digital photos (which is very useful as I normally photograph everything of interest when on field trips), the OS grid ref generated by the program has the same latitude, but the longitude has been changed from e.g. 0.169617 E to -0.169617 (or very close to that), so I get a mirror image location the other side of the Greenwich meridian.

@burkmarr burkmarr added the bug label May 29, 2017

@burkmarr burkmarr self-assigned this May 29, 2017

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burkmarr commented May 29, 2017

This turned out to be a small bug in the clsExifWorks class which G21 uses to retrieve EXIF location information from photos (Michal A. Valášek - Altair Communications, 2003-2005). The small bug in function DMStoDD resulted in positive longitudes (i.e. east of Greenwich Meridian) which were less than 1 degree being converted to negative longitudes (west of meridian). I fixed this bug in clsExifWorks and all should now work correctly.

@burkmarr burkmarr closed this May 29, 2017

burkmarr added a commit that referenced this issue May 29, 2017

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