[OSM-talk] Osmarender4 slippy map (preview)
Francisco R. Santos
frsantos at gmail.com
Fri Feb 9 16:43:14 GMT 2007
Did osmarender4 have a patch to not display road names upside down? or did I
imagine it?
On 2/9/07, Frederik Ramm <frederik at remote.org> wrote:
>
> Hi,
>
> with some help from Jochen I have now managed to use Osmarender4
> with the tiles at home scripts to generate slippy map tiles. I have
> rendered portions of Karlsruhe, London, and Cambridge, and put them
> on a slippy map for you to view:
>
> http://openstreetmap.gryph.de/slippymap/
>
> For a better old-new comparison, the "+" layer switch button in the
> top-right corner can be used to switch between the old Osmarender map
> (from the dev server) and the Osmarender4 tiles provided by my server.
>
> The styles (XML files for Osmarender4) that have been used can be
> downloaded here
>
> http://openstreetmap.gryph.de/slippymap/mapfeatures.tgz
>
> I have tried to emulate the look of the old maps as far as possible;
> some things still look different because Osmarender4 renders things
> that were previously ignored, and I fiddled around a bit to make it
> look ok.
>
> (Among the major changes are, as far as I remember, bridges/tunnels,
> light rail+tram, much better text rendering along streets - where
> still imperfect, that's often due to wrong order of segments - and
> rendering of unwayed segments at zoom levels 14 and finer.)
>
> I would like to get the Osmarender4 modifications for tiles at home into
> production use as soon as possible. The tiles are similar enough not
> to force us to re-render the whole world at once when that happens,
> but I guess there will nonetheless be an effort to replace old-style
> tiles quickly. I will deploy the changes to SVN, and participiants in
> the tiles at home rendering will then be asked to upgrade their
> software. (@OJW: do you think we should add a version parameter to
> the upload script, so that the API can reject uploads with missing/
> too old version code?)
>
> I think there are quite some strange things about the slippy map
> layout as it is currently, especially the change in style between
> levels 13 and 14, but also some font size decisions and what is and
> is not rendered at various zoomlevels. However, I would rather not
> get into a full-blown discussion about that now (perhaps a good thing
> to discuss at the proposed Oxford meeting?); for now, I really opt
> for emulating the existing style without thinking too much about it.
> Otherwise we'll never get the Osmarender4 slippy map off the ground.
>
> So my question to you is: Do you see anything in the above examples
> that is uglier than it was before, or so different that it breaks
> something, or any other reason why we shouldn't go ahead with this?
>
> Bye
> Frederik
>
> --
> Frederik Ramm ## eMail frederik at remote.org ## N49°00.09' E008°23.33'
>
>
>
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