[mkgmap-dev] Long distance routing

Sun Feb 10 13:01:08 GMT 2013

Steve

I don't know what you consider long distance but on my Garmin 800 I can 
find routes from Manchester to both Land's End and John o'Groats and the 
routes are sensible with no obvious errors. I don't use 
Mapsource/Basecamp et al so can't comment on those. Maps were compiled 
with r2481

Cheers

Paul

On 09/02/13 21:01, Steve Ratcliffe wrote:
> Hi
>
> I was wondering what the current state of long distance routes was
> thought to be? Although there are comments on the wiki etc that
> routing only works over a couple of tiles, I see far better results
> although it depends on the software.
>
> In particular with MapSource 6.10 it is almost impossible to route
> over the SW corner of a tile. In other words if the obvious route
> enters the tile from the south side, and exits on the west side (or
> visa versa), it will always pick a route that goes round the tile
> instead rather than through it - or crash or straight-line if there is
> no such route.  Although I've seen this happen when routing across
> other corners, not often - it almost always works.
>
> However on the latest version of mapsource/basecamp this problem
> has entirely disappeared. So either it was a mapsource bug (unlikely?)
> or whatever we were doing wrong no longer matters.
>
> ..Steve
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