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[mkgmap-dev] problem seeing OSM maps on nuvi 255w

From Charlie Ferrero charlie at cferrero.net on Tue Dec 22 16:27:24 GMT 2009

Ben Konrath wrote:
> Hi,
> I'm generating maps for Ontario and Quebec here in Canada and I'm
> having a problem seeing the OSM maps on my Nuvi 255w. I can see the
> OSM map name in Tools -> Settings -> Maps -> Map Info but when I
> enable the OSM map and disable the built in North American map, I
> still can't see the OSM maps.
> Here are the commands I'm using to generate the maps:
> java -Xmx2000m -jar mkgmap.jar --tdb --latin1 \
>   --region-name=Ontario --region-abbr=ON --country-name=Canada
> --country-abbr=CAN \
>   --series-name="OSM Ontario" --add-pois-to-areas
> --ignore-unnamed-areas --road-name-pois \
>   --route --remove-short-arcs --drive-on-right --check-roundabouts
> --family-id=3425 \
>   --family-name="Open Street Map Canada $FAMILY_DATE" --product-id=1
> -c template.args
> java -Xmx2000m -jar --tdb --latin1 \
>   --region-name="Quebec" --region-abbr="QC" --country-name="Canada"
> --country-abbr="CAN" \
>   --series-name="OSM Quebec" --add-pois-to-areas
> --ignore-unnamed-areas --road-name-pois \
>   --route --remove-short-arcs --drive-on-right --check-roundabouts \
>   --family-name="Open Street Map Canada $FAMILY_DATE" --family-id=3426
> --product-id=1 -c template.args
> java -Xmx2000m -jar mkgmap.jar --tdb --gmapsupp --latin1 \
>   --country-name=Canada --country-abbr=CAN --add-pois-to-areas
> --ignore-unnamed-areas \
>   --road-name-pois --drive-on-right --check-roundabouts --route \
>   --family-name="Open Street Map Canada $FAMILY_DATE"
> --description="Ontario and Quebec, Canada" \
>   --remove-short-arcs ontario/*.img quebec/*.img
> I added '--draw-priority=30' to all three commands and the resulting
> map is visible but the roads appear behind the roads from the Garmin
> North American maps even though they are turned off. I *could* just
> plug the GPS unit into my computer and delete the Garmin basemaps and
> North American maps but I thought I'd ask here first before I do that.
> So, does anybody know what could be wrong? My Nuvi 255w has software
> version 5.70 and GPS SW Version 3.70b.
Can you have multiple gmapsupp files on a Nuvi?  I guess you must be 
able to, if you've got both North American maps and OSM maps at the same 
time.  I don't know if Nuvis are the same, but on a GPSMap you can't 
remove the basemap (though you can turn it off).


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