[mkgmap-dev] Inter-tile routing now available in trunk

Thu Feb 19 21:05:48 GMT 2009

On Feb 19, 2009, at 17:09, Paul wrote:

> I'm seeing very similar behaviour to this. Travelling North/South or
> South/North across a boundary seems to work fine but East/West or
> West/East fails. Picking North/South source/destinations I can route a
> considerable distance but there is a point where I can route to a town
> but not to the next town 5 miles further away. I have heard of a 13000
> point limit on Garmin devices so this is possibly what I'm seeing here
> as the destinations are all on the same tile. From where I am then
> routing into Scotland is North/South boundary and Wales is on the same
> tile so this all works fine

This is with r911 or newer?

> If I use the individual England, Scotland, Wales files rather than the
> combined great_britain and combine then with mkgmap then routing into
> Wales (East/West junction so would fail anyway) or Scotland
> (North/South) simply fails. Is this possibly related to the way in  
> which
> the individual country files are created from the raw data. I don't  
> have
> to run splitter against Scotland or Wales but do against England

This is to be expected. Inter-tile routing only works if the tiles  
were created from one osm-file with one run of the splitter.

Cheers
Robert