[Tilecache] tilecache, mapnik & projection issue

[Xin]

Wow, that worked! I can't believe it. I can swear I tried that combination
yesterday.

It works now when I use TMS with the OSM getURL. If I omit this function, it
looks for these images:

http://localhost:8080/1.0.0/google-tiles/1.0.0/undefined/5/19/16.png

undefined seems to be the layer name. Having looked at the OL source code, I
can find a way to set this. How can I set the layer name?

Thanks for your help again.

Xin

On 27/03/2008, Christopher Schmidt <crschmidt at metacarta.com> wrote:
>
> On Thu, Mar 27, 2008 at 05:38:29PM +0000, Xin wrote:
> > I am having problems getting OpenLayers to use tilecache and Mapnik.
> >
> > The image /1.0.0/google-tiles/5/17/18.png from Tilecache, is different
> to
> > the image /5/17/18.png generated from generate_tiles.py.
> >
> > Is the way generate_tiles.py saves tiles compatible with Tilecache?
>
>
> I'm assuming that you're getting something that's 'flipped' over the
> equator. It's likely that you want the "tms_type=google" option on your
> TileCache layer if you *really* want the 'identical' tile IDs...
>
>
>
> > My map is in Google projection.
> >
> > My OpenLayers Tilecache layer:
>
>
> 1. Don't use a TileCache layer unless you're pre-generating *all* of the
>    images you could possibly use: use a TMS layer.
> 2. If you *do* use a TMS layer, you don't have to add tms_type=google,
>    you can simply not override getURL and it should work fine.
> 3. If you do chose to go with the non-standard "google" tile scheme,
>    you can still use a tms layer with a getTileURL function, and be
>    inline with all other OSM usage.
>
>
> Regards,
>
> --
> Christopher Schmidt
> MetaCarta
>
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