[mkgmap-dev] Anyone tried the arc tweezing patches?

Wed Oct 14 16:09:02 BST 2009

Hi Valentijn,

Thanks for the report.

On Wed, 14 Oct 2009 17:00:55 +0200
Valentijn Sessink <valentyn at blub.net> wrote:

> Mark Burton schreef:
> > I have received zero feedback on the recent arc tweezing patch.
> 
> Ehrm, eh, yes. Whatever destination I have in mind lately, I always seem
> to end up in the baby room. There's no computer there, you know.
> 
> Anyway, tested your patch and it shows a huge improvement on a couple of
> weird routes I've come across so far. Like this one:
> http://www.yournavigation.org/?flat=52.445382&flon=4.80525&tlat=52.404858&tlon=4.922044&v=bicycle&fast=1&layer=mapnik
> 
> ... where the Nuvi sent me all around on a 30km journey, it now has
> quite a decent route, roughly comparable to the yournavigation.org one.

Good.

> The improvement seems especially visible with the "shortest route"
> setting; shortest time seems less affected (but I could be wrong here).
> (And I'm testing bicycle routing here, which cannot work correctly by
> design as has been pointed out on the list before).

Yes, Felix also noted that the shortest route routing appeared to be
improved more than quickest route. I have to say that I had only
tested it using quickest route.

> I did not find any broken routes ("failure" as you call it). As your
> patch is now in my mkgmap, I will test some more and I shall report any
> oddities.

Thanks, that would be good.

Cheers,

Mark