gmapsupp.img CN North America NT 2019. split with Gmaptool

**galaxis** · 22nd April 2019, 09:03 PM

try to split this map with gmaptool but get some failures
Wil it work with gmaptool ore is there a ather program i need.
suppose it had some to do with NT cards; not NT cards have no problem.
Thanks for info. Ed

**Cnfhbr** · 23rd April 2019, 07:44 AM

Originally Posted by galaxis

try to split this map with gmaptool but get some failures

What kind of spliting option do you mean ('files for MS', 'single maps' or others)?

**Rudy_P** · 24th April 2019, 01:23 PM

You need cGPSmapper tool installed on your computer,and point gmaptool to it.

**Cnfhbr** · 24th April 2019, 05:03 PM

Originally Posted by Rudy_P

You need cGPSmapper tool installed on your computer,and point gmaptool to it.

The cGPSmapper program is only needed for one of the 6 splitting options ('Create files for MS'), provided that you need to compile a preview map.
We have not figured out yet what kind of splitting option causes some failures.

**galaxis** · 25th April 2019, 07:49 PM

I,ll think gmaptool was to old i dit download the latest and now it works ok.
I only notice is when i zoomout the map will dissapeare above 100 KM
but maby it is normal becouse gmaptool.
anyway thanks for response.
Ed

**Giomen** · 26th April 2019, 03:16 AM

Originally Posted by galaxis

I only notice is when i zoomout the map will dissapeare above 100 KM
but maby it is normal becouse gmaptool.

You are near to truth! Gmaptool use cgpspapper for compiling the base map which is shown above 100 km because the main map does not have any details above 100 km. Cgpspapper is not read NT format properly so it the base map almost blank. You can use any other more detailed base map but you need to paste in it map boundaries from the original base map.

**Butters** · 25th April 2019, 11:07 PM

@galaxis
The problem is not with GMapTool or with the software it uses to split the map for MS, e.g. cGPSmapper. It's that the Garmin NT IMG format cannot be fully reverse-engineered to make installable data which is fully functional. The real problem is that search feature is compromised because some data in the IMG cannot be used during the reverse-engineering. Read this:

Code:

Please Login or Register to see the links

To get full functionality in either MapSource or BaseCamp (or in MapInstall if you wish to make smaller IMG files than your gmapsupp.img for use in a device) you should find an unlocked .GMAP folder for NA and work with that. Note that .GMAP data is sometimes referred to as a PC Install Version or Map Source Version. Also note that BaseCamp, but not MapSource, can see and use to some extent a locked or unlocked IMG file in a device, on a media card/usb stick or virtual drive on the PC.