Hi Daniel,
I just had contact with him yesterday after I noticed the incorrect
rendering. He responded quickly. I asked him whether he was aware of the
problems, and if he could use some help. He has seen the flooding and
reverted some of the changes yesterday, notably the broken coastline
northeast of Ile d'Orleans. He wanted to tag the coastline of the. St.
Lawrence as a riverbank, so it would show up properly (as a blue area).
This is a known issue with mkgmap. He will leave the riverbank tag
upstream of Ile d'Orleans, but has reverted the other errors. Most
notably the multipolygon for the St. Lawrence he made has been removed
again. In this multipolygon Ile d'Orleans was tagged as natural=land,
which caused it to be rendered white (because "natural=land" is one of
the topmost styles). I've quickly checked his changes, and the coastline
seems to appear all right. I still need to do a bigger check.
So, currently the St. Lawrence is tagged both as natural=coastline and
waterway=riverbank between Quebec City and (at least) the St. PIerre
lake. Would that be a problem? For the rendering it should work nice,
but having duplicate / complimentary tagging should be avoided. I'd like
to propose to use the natural=coastline from downstream Quebec, and use
waterway=riverbank upstream. Right now Alain has drawn this boundary
just east of Quebec City. I'd rather move it towards approximately the
ferry connection with Levis, since upstream the flood/ebb cycle is much
less strong.
Here is Alain's full answer:
J'ai vu ce matin après quelques jours n'inactivité, que la rive nord du fleuve,
de la pointe de l'île d'Orléans à la ville de Baie-St-Paul ne se dessinait pas
correctement sur OpenStreetMap.
Je crois maintenant avoir enlever toutes les modifications à l'est de la ville
de Québec, y compris l'île d'Orléans et les deux rives du fleuve.
Cependant cela ne corrige pas l'erreur. Peut-être, comme tu l'indiques dans le
deuxième courriel, est-ce à cause de la mise-à-jour qui ne se fait qu'à tout
les mercredi.
Mon but était de tagger waterway=riverbank jusqu'à l'est de l'île d'Orléans,
endroit ou la marée est supposée se manifestée (?). Le reste de l'estuaire du
fleuve peut demeurer avec natural=coastline c'est vrai qu'il est très large.
Cependant, à ma connaissance, lorsque les rives du fleuve sont marquées comme
natural=coastline, le fleuve se dessine comme natural=land sur les gps-garmin
lorsque passé à travers le logiciel 'mkgmap'.
J'ai essayé de modifié les fichiers de Style, les fichiers '.TYP', mais sans
résulats. Mais en marquant les rives du fleuve avec waterway=riverbank, et en
inscrivant les rives dans un multi-polygone, comme indiqué dans la
documentation, ils ressortent correctement sur les Gps Garmin et le logiciel
QLandKarteGt.
Je pensais bien avoir pratiquement terminé mes modifications, mais cette erreur
me complique la vie. Je ne parviens pas à la cerner.
Ton aide serait la bienvenue !
Regards,
Frank
On 11-11-11 09:47 PM, Daniel Begin wrote:
Hi all,
A month ago I found a lot of "messy" multipolygons having
natural=coastline and/or waterway=riverbank mixed all together in
Montreal area, resulting in bad rendering ...
http://www.openstreetmap.org/?lat=45.295&lon=-73.005&zoom=9&layers=M
All came from user - http://www.openstreetmap.org/user/Alain512. I
contacted him in mid-October but haven't received any answer yet.
Since, other users and I have tried to correct the problems.
He is now working around l'Île d'Orleans near Québec city and I have
found the same kind of problem...
http://www.openstreetmap.org/?lat=46.977&lon=-70.9076&zoom=12&layers=M
Is someone else could try to contact him to make sure he understands
what is doing before continuing...
Regards,
Daniel
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