[OSM-talk] Argh, Canvec imports

[Michal Migurski]

On Nov 17, 2011, at 1:54 AM, Simone Cortesi wrote:

> On Thu, Nov 17, 2011 at 08:40, Michal Migurski <mike at stamen.com> wrote:
>> A cry of frustration:
>> 
>> I do bimonthly runs of the worldwide coastlines (http://metro.teczno.com/#coastline), and Canada seems to be a recurring source of problems. What the heck is going on up there? I consistently see new imports of what seems to be Canvec data screwing up coastlines and making for some deeply broken renders:
>> 
>>        http://mike.teczno.com/img/broken-coast.png
>> 
>> Most of that junk in the Atlantic Ocean is newly introduced within the last few weeks, and is making it difficult to get out a clean coastline suitable for rendering. It shows up in the main OSM mapnik tiles in Hudson Bay, too:
>> 
>>        http://www.openstreetmap.org/?lat=55.7&lon=-83.6&zoom=5&layers=M
>> 
>> I've been trying to fix problems as I encounter them and I've managed to fix invalid coastilnes around Baltimore, Houston, Tampa and the dreaded Montréal area in an effort to generate a usable map of North America, but this Canvec stuff is absolutely killing me.
> 
> I care about the coastline too,
> long time ago there used to be this:
> http://www.openstreetmap.nl/coastlines.html where anyone could go and
> fix coastline errors that did show up on a purpose made mapnik layer.
> I see there is a geofabrik layer for that same purpos, but it is
> limited just to europe.
> 
> Michal, are you aware of any such layer, but worldwide?


I'm not, but it's a good idea. What about something like this, not a layer but a set of links to "type=2" errors found by the coastline checker?
	http://mike.teczno.com/img/osm-coastline-errors-nov15/

-mike.

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michal migurski- mike at stamen.com
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