[Talk-us] Fwd: Lake Winnepesaki rendering issue

Andrew Sawyer assawyer at gmail.com
Tue Oct 13 00:29:10 BST 2009

Thanks for taking a look.  On the Information Freeway site it still shows a
rendering issue. I notice that the Mapnik layer was getting changes faster.
I tried manually forcing a rerender via the site, but nothing substantial
has changed. Should the islands not have natural:land? Does t at h not like
that tag?

I am glad it doesn't appear that I made an editing error.  I posted my
original e-mail to the t at h list. Hopefully someone over there can lend their
expertise. Is there a lot of data behinds the scene that affects the
rendering, but the typical user cant see?

Andrew S. Sawyer

On Mon, Oct 12, 2009 at 18:30, Lennard <ldp at xs4all.nl> wrote:

> David ``Smith'' wrote:
> > Oops, I should have looked at your links *before* I sent my response.
> > As it turns out, your lake looks just fine in Mapnik, but Osmarender
> > is having some problems.  I'm pretty sure it's a rendering issue that
> > the Osmarender or T at H guys need to fix, because I've seen issues like
> > this in Illinois too.
> It wasn't quite right in mapnik too, especially in the lower zooms that
> hadn't been rerendered yet. The islands had drowned, and the roads were
> now in the lake. I looked at it in JOSM, couldn't see fault, and had the
> lower zooms rerendered, and that cleared it up.
> My guess was that there was an error with the data, and it got cleared
> up, and osmarender/t at h still has to rerender?
> BTW: The current osm.org mapnik layer is now running with a new type of
> diffs, which shouldn't drop (parts of) large changesets as the old
> minutely diffs did, and give faster updates to boot!
> --
> Lennard
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