Author Topic: Methods for importing GPS coordinates?  (Read 81 times)

Offline darkroom55

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Methods for importing GPS coordinates?
« on: February 18, 2025, 05:21:18 PM »
Over the course of my 54 years as a motorsports photographer, I've been to +/- 1000 tracks.  Although some tracks may no longer exist, the GPS has been manually recorded with each image - film scan or digital. The location of each site is a critical element to the history of each track.  The GPS data for over 1000 locations are in an excel spreadsheet.  Here are two examples of how the data is stored:

LV • GPS: +36.2745 -115.0126
LD • GPS: +36.2780 -115.0095

LV is the track code for Las Vegas Motor Speedway and LD is the track code for The Strip at LVMS. My archives contain 22 years of images from those two tracks.  Both GPS coordinates are from the starting line.  There has to be something simpler than what I've been reading about converting my ASCII data to NMEA code.  Your recommendations?

Offline Kirk Baker

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Re: Methods for importing GPS coordinates?
« Reply #1 on: February 18, 2025, 05:48:34 PM »
Over the course of my 54 years as a motorsports photographer, I've been to +/- 1000 tracks.  Although some tracks may no longer exist, the GPS has been manually recorded with each image - film scan or digital. The location of each site is a critical element to the history of each track.  The GPS data for over 1000 locations are in an excel spreadsheet.  Here are two examples of how the data is stored:

LV • GPS: +36.2745 -115.0126
LD • GPS: +36.2780 -115.0095

LV is the track code for Las Vegas Motor Speedway and LD is the track code for The Strip at LVMS. My archives contain 22 years of images from those two tracks.  Both GPS coordinates are from the starting line.  There has to be something simpler than what I've been reading about converting my ASCII data to NMEA code.  Your recommendations?

There is no GPS coordinate importing other than various GPS data log formats in Photo Mechanic.  Does the metadata for your images have some consistent indication of the 'track code'?

If not, then without temporal information in your GPS log and photos with good capture times, there would be no other way of aligning your photos with the coordinates that you do have.

The Import GPS Coordinates feature uses the time data in the GPS log (along with offsets you can adjust) to align and interpolate GPS coordinates from the log to the photos.

It may be easier to open all photos taken from all years from a specific track, select them all and then use Image->Set GPS Coordinates... to enter the one coordinate for the entire track's worth of photos.

-Kirk