gmap folder usage vs copying img file   

gmap folder usage vs copying img file

Postby shorton » Mon Jun 19, 2017 8:47 pm

I an updating a couple of 1490's, both with 8Gb SD cards.

I have both the 2018.20 img file, and it's piece parts (JCV, etc.) as well as the "City Navigator North America NT 2018.20.gmap" folder structure.

I understand how to make use of the img file. But I can't find how to use the gmap folders. I've seen references to using Mapsource, but last year when I went through this , I understood Mapsource was deprecated and replaced with Basecamp?

Since that folder structure is still being published, I assume there is value in using it and I'd like to understand how? Can anyone point me to a relevant tutorial or thread explaining how to use it?
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Re: gmap folder usage vs copying img file

Postby shorton » Tue Jun 20, 2017 12:49 am

I gather it (the gmap folders) can also be used in Basecamp. I did get Basecamp to "see" the new map by placing a shortcut to them in the right spot, but it says it's locked.

Most of the links I found to the unlocking stuff appear to be broken or outdated. I didn't have any luck unlocking it :(

Not a huge deal to not have the map in Basecamp (because I've been trying a different route generation tool anyway lately), but it would be nice.

Again, grateful for any pointers.
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Re: gmap folder usage vs copying img file

Postby shorton » Tue Jun 20, 2017 2:09 am

Duh. Think I found it right under my nose here...

http://www.navitotal.com/software-f89/unlock-mapsource-directory-2016-t2551-15.html

Went to end of thread for lastest version in thread (Got "UnLock MapSource.exe" ver 5.2 at time of this post).

I think I answered my own question. One can:
a) Copy img file to the device or SD card

OR

b)
get the gmap folder and files
unlock them per above
move or put a shorcut to c:\ProgramData\Garmin\Maps
Open Basecamp and select the maps, worked.
Install maps to device from Basecamp if desired.


Right? Any other reason to get the folder structure instead of the img?
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Re: gmap folder usage vs copying img file

Postby kolokythas » Tue Jun 20, 2017 4:01 am

Hi! as you said you answered alone on your question this way of Basecamp is usefull if you want to install part of the areas of the big map on a device.
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Re: gmap folder usage vs copying img file

Postby shorton » Tue Jun 20, 2017 12:27 pm

Thank you. I had done that (a smaller area) in the past, didn't remember how. I understand now. I bit the bullet and picked up a couple 8G SD cards for the 1490's so less of an issue now. But good to know, thanks again.
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