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[mkgmap-dev] Commit: r1198: Merge in the sea polygon patch from

From Du Plessis, Bennie Bennie.DuPlessis at sappi.com on Wed Sep 30 11:20:43 BST 2009

>Dermot McNally schreef:
>> With the merge back into trunk, should I expect that the support
there
>> is identical to that on the multipolygon branch? [...] but
>> if I process it using trunk code I get a mostly flooded map.
>> 
>> Anybody else seeing such differences?
>
>Actually, I don't use the --sea-... option anymore, as there are a
>couple of tiles in the Netherlands flooded. This could the result of
>splitting (but I'm not entirely sure). It is *not* the geofabric cutout
>that is at fault, as one of these flooded tiles is in the centre of
my.map >(but borders with http://osm.org/go/0E6W1PA_- so could still be
a
>cutoff problem.
>
>I wrote about this before (17-09-09 12:12).
>
>I did not test the multipoligon branch - but I'm willing to do that; is
>there a rough outline of how to use svn branches here? (I'm perfectly
>able to compile and patch, I just never used svn branches before).
>
>So basically, for trunk, I leave the sea-polygon thing out, I'd rather
>not swim to Utrecht ;)
>
>V.

I brought the discusion on sea polygons back not because I'm that
concerned with the sea. It's a nice to have. When I build South Africa
in one tile it works very good. I build SA in one tile anyway for better
routing.

What is intersting is that when I build the exact same area in 4 tiles
i.s.o. one, some tiles reverses the land & sea. I don't think there are
broken coastlines in the original OSM data, because the sea polys are
correct when using one tile. I am wondering if this might be a clue to
other inter-tile problems? 

BTW I can not route across tile borders any more. Is any one else
experiencing this, or am I blundering somewhere. I use
--ignore-osm-bounds, (but I have always) would it have an effect?
BennieD



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