[Tagging] A first step towards bringing the wiki and tool support closer together

Steve Bennett stevagewp at gmail.com
Wed Dec 9 00:52:30 GMT 2009


On Wed, Dec 9, 2009 at 4:32 AM, Jochen Topf <jochen at remote.org> wrote:

> First comment though: Please, please start making a distinction between the
> rendering software (Mapnik) and the style file is uses and the map it
> creates,
> respectively. This is already problematic. It should not be called
> "Mapnik-support", but something like "Default OSM Map-support". We should
> come up with nice name for the default map.
>

Sorry, you're absolutely right. The confusion arises from the fact that the
"Default OSM Mapnik" layer on the main openstreetmap.org view is called
"Mapnik". It probably shouldn't be.


>
> Second comment: As always, its not that easy. You can't just read osm.xml.
> At least you have to take the osm2pgsql config into account. Also you
> probably
>

Sure, can you give me a few pointers? I haven't got Mapnik or running.


> People can check it, improve it


Well, improve the generation method. Hand tweaking would be the wrong
approach.


> and get some experience about its usefulness.
>
> Just an idea: If you really want to check what the renderer renders and
> what
> not, how about creating a osm test file with all the different tags ins
> there,
> send it through the renderer and check whether the bitmap is empty. If it
> contains something in the right spot, you know the tag is supported. This
> is
> totally renderer and style agnostic reasonably easy to automate.
>

Yes...but from what I gather, getting Mapnik installed locally is quite
complex. Or maybe I'm confusing it with getting slippymap/tileserver
installed. I'm new to all this.

Steve
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