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[EXIFTOOL -geotag tracklog.gpx *.CR2]

The latest version of Phil Harvey's EXIFTOOL now does bulk geotagging directly from track logs, and will even update RAW camera files. I had been creating tracks with Garmin GPSMap76CSx, then converting my Canon RAW files to JPG, and using GPicSynch to add GPS data from the .gpx track log to the JPGS, then individually updating each RAW file from its corresponding JPG. Now, I just run the command EXIFTOOL -geotag tracklog.gpx *.CR2 and all my RAW files have GPS data added (I did over 600 at a time).  EXIFTOOL is shareware.

[how]

FWIW, I have designed and written commercial and industrial software for 30+ years. After using MapSource with my GPSMap 76 CSx for a while, either I fail to understand it, or it lacks key features. Maybe the people here can help me understand and use this producr better to preplan routes on my laptop and load them to my GPS.

Background:  I am planning a trip from Michigan to Florida, and have a list of 20 places I want to go for wildlife photography and Eco tours. When I cannot find an attraction in MapSource (City Navigator 2010 v 3), I find it on the internet, locate it in Google Earth, save the .kmz file, and convert to .gpx using GPS Visualizer. Then I can import them into MapSource.

1. But I can only import one .gpx file at a time. Each time I load a waypoint, it deletes the previously imported waypoint. I am forced to locate them all through MapSource at once, and save them as a group, or they cannot all be loaded as a group.  Must I create an artificial route between multiple waypoints as an artifice to get them all back into MapSource, and then delete the ones I'm not going to use? Is the workaround to manually combine the .gpx files into one file (after all, they're just .xml files)

2. If I use POI loader, I cannot find any way to permanently load the POIs to MapSource, which seems to ignore the POI file.  What am I missing here?  Can POI Loader ONLY be used with the GPS unit and not with MapSource?

3. When I want to create a Route in Mapsource, there seems no way to tell it how I wish it routed (use highways, avoid highways, etc.). Why is this not in MapSource (or where is this configuration hidden?).

4. MapSource has it's own logic to do routing. If I insert a waypoint to force a certain desired route, I frequently get a path that travels a few miles, and then does a U-turn back to the main route. Why, and how can this be avoided?

What I'd like to see:

1. Ability to load custom POIs and make them available to MapSource
2. Ability to load two or more waypoints into MapSource (from individual .gpx files)
3. Ability to tell MapSource how I want the routing done (as I can in my GPS Map76 CSx)

Sorry if these are NOOB questions - I am enjoying my GPS, but the MapSource software seems to have been designed by someone who is not a GPS user, and its documentation seem very sparse.

Is there a way to create routes in MapSource, and export them to my Garmin GPSMAP 76CXs without totally re-generating all the map segments?  I created a route and saved it to the micro SDHC card (using a reader/writer); the GPS unit doesn't see it at all.  The spotty documentation seems to indicate that when you send directly from MapSource to the GPS, it totally overwrites the contents of the memory card.  I'd appreciate any advice.  I'd like to be able to navigate to a cache site.