[mkgmap-dev] roadtrip no longer happy

Sun Nov 1 19:58:09 GMT 2009

On Nov 1, 2009, at 2:09, Greg Troxel wrote:

> I updated mkgmap to r1337, and found that my overview img/tdb changed
> names.  I adjusted gmapibuilder invocation to reference those, and  
> that
> succeeded.  But on loading into roadtrip I get a "The map you selected
> contains some errors and cannot be displayed.  The default map is  
> being
> shown instead." popup.

I checked out your script, and found that the problem probably is  
caused by gmapi-builder.

- File OSM_gdt_series.gmapi was missing the overview map (osmmap.img).

- I used the same map files and converted them using Garmin's  
Mapconvert program. This time, osmmap.img was properly converted into  
the gmapi package.

I haven't bothered to look, but it could be that gmapi-builder expects  
only numeric values for the name of the overview map. At any rate, I  
have not encountered such problems, perhaps because I always set the -- 
overview-mapname option to a numeric value.

- You might try setting --overview-mapname=63240000 and see if this  
makes any difference.

Cheers.