[mkgmap-dev] Routing issue to POI

Sat Mar 30 16:01:10 GMT 2013

On Sat, Mar 30, Enrico Liboni wrote:

> If I go to Tools->Settings->Map->Map Info only the OSM map is enabled.
> 
> However I believe the basemap - if I understood correctly what the
> basemap is - is always enabled
> by default since when zooming out I can see mountains and (high)ways
> outside the tiles I used for my osm map.
> I tried by renaming gmapbmap.img to gmapbmap.iii and restart the
> device, the result is worste since it can't route to most POIs/address
> now.

Yes, this means that parts of your OSM map are not routeable
and thus the device is falling back to your gmapbmap.
Maybe you are using non-routeable lines for your map?

> By the way this also means that gmapbmap has some relations with
> routing on the osm map... confused!!!

The relation is, that if your map has no way, the device tries
the next map.

  Thorsten

> Enrico
> 
> 
> 
> On Sat, Mar 30, Enrico Liboni wrote:
> 
> >* Folks, I'm sometime getting routing issues to some POIs - most seems ok but*>* some are always showing the problem. I'm wondering if what I'm hitting is*>* the problem described at:*>* http://wiki.openstreetmap.org/wiki/Mkgmap/known_issues#add-pois-to-areas_sometimes_places_the_POI_outside_the_polygon*>* *>* Here's what happens:*>* * In my garmin device I select a poi*>* * the device calculates the route, but the purple path displayed  does not*>* follow real streets (it goes mostly parallel to them - see below pictures)*>**>* Any idea?*
> Do you have a second map installed and active, for example the basemap?
> 
> This looks like as if your map does not have routeable ways in the
> near and the Garmin jumps to the basemap. At least this is what
> happens if I see such a "broken" routing.
> 
> Solution: Disable the basemap.
> 
>   Thorsten
> 
> 
> 
> On Sat, Mar 30, 2013 at 1:13 PM, Enrico Liboni <eliboni at gmail.com> wrote:
> 
> > Folks, I'm sometime getting routing issues to some POIs - most seems ok
> > but some are always showing the problem. I'm wondering if what I'm hitting
> > is the problem described at:
> >
> > http://wiki.openstreetmap.org/wiki/Mkgmap/known_issues#add-pois-to-areas_sometimes_places_the_POI_outside_the_polygon
> >
> > Here's what happens:
> > * In my garmin device I select a poi
> > * the device calculates the route, but the purple path displayed  does not
> > follow real streets (it goes mostly parallel to them - see below pictures)
> >
> > Any idea?
> >
> > In the example the POI name is: Where To->Point if Interest->Hospitals
> > "Ospedale Ca' Foncell" - it's near Treviso, Italy)
> > http://imageshack.us/a/img829/3130/leftt.jpg
> > http://imageshack.us/a/img198/3915/overviewer.jpg
> > http://imageshack.us/a/img6/1766/poiv.jpg
> >
> > I'm using splitter r299, mkgmap r2540 (same issue with older version),
> > fresh maps from geofabrick and command line is:
> >
> > java -Xmx2000M -jar ./mkgmap/mkgmap.jar --family-name="OSM Ita and Alps"
> > --description="OSM Ita and Alps" --route --remove-short-arcs
> > --add-pois-to-areas --bounds=bounds
> > --location-autofill=bounds,nearest,is_in --index --gmapsupp
> > --output-dir="./data/" ./data/6*osm.pbf
> >
> > Many thanks as usual!!!
> > Enrico
> >
> >

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