Map Overlay on top of Nuvi existing maps

[ykcin]

Hi,
May I know is it possible to create a map overlay consisting of zones and labels to the existing maps in Nuvi2565?
What software can I use to do that?

TIA.

[Kanopus]

Overlay map usually is limited to lines and points, but you can experiment with areas too, you can for example define semi-transparent pattern for area.

There are many tools, free and commercial:
Creating and editing maps: GPSMapEdit, MapEdit++, Global Mapper.
Compiling maps: cgpsmapper, mkgmap, MapTk.
Editing TYP (skin): TYPViewer, MpaTK, ati.land.cz/gps/typdecomp/editor.cgi
Universal tool for all these tasks: Mapwel.

[ykcin]

I tried using the free version of cgpsmapper to create a custom polygon (with hatching) in a single img.
However, the polygon still remains as a solid color without the customised type.
Can any kind soul out here post a sample mp file that can be used to create a custom polygon for me to compile and upload directly into my GPSr?

[Kanopus]

You have to use TYP file to get transparent polygons. Standard types usually have solid colors in GPS.

[ykcin]

What I want to achieve is to just have a single polish format mp file with the customise polygon section to compile it into a single img file for uploading to GPSr.
I don't want to have a separate TYP file and a IMG file to upload.
Can this be done?

[Giomen]

What I want to achieve is to just have a single polish format mp file with the customise polygon section to compile it into a single img file for uploading to GPSr.
I don't want to have a separate TYP file and a IMG file to upload.

TYP file is subfile for uploaded IMG file. It is not work as separate file! The customs polygon section do not allow to use not-standard Garmin texture, but TYP section in uploaded IMG give you this possibility. Garmin always use TYP too and you no need to worry it is official Garmin tool!

[ykcin]

I see.
I thought I can combine the custom polygon type file with the map file into a single mp file for compilation by cgpsmapper.
So now I need to create them separately: a custom polygon type file and a map file for compilation by cgpsmapper separately.
Then what software to combine the TYP and IMG file for uploading to GPSr?

[catymag]

Then what software to combine the TYP and IMG file for uploading to GPSr?

You can use GmapTool

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