[OSM-dev] generate_tiles.py and openlayers issue

Xin xin at zenpow.com
Tue Mar 4 15:21:25 GMT 2008


Thanks for the help everyone.

I have got this working now by using code from openstreetmap.org. I
basically copied all JS files and changed the tile server address. I then
removed layers I don't need. It seems to work now!

On 29/02/2008, Jon Burgess <jburgess777 at googlemail.com> wrote:
>
>
> On Fri, 2008-02-29 at 16:49 +0000, Xin wrote:
> > Hi Guys,
> >
> > I have been hellishly trying to get the the tiles generated from
> > generate_tiles.py to work under OpenLayers. I am basing my OL code
> > from http://trac.openlayers.org/wiki/UsingCustomTiles on the
> > recommendation from an OL user.
> >
> > OL is expecting these files:
> > http://localhost:3000/tiles/10/510/511.png
> >
> > http://localhost:3000/tiles/10/511/511.png
> >
> > http://localhost:3000/tiles/10/512/511.png
> >
> > http://localhost:3000/tiles/10/511/509.png
> >
> > http://localhost:3000/tiles/10/512/510.png
> >
> > ...
> >
> > I have these tiles:
> > tiles/10/560/577.png
> > tiles/10/560/578.png
> > ...
> >
> > It's pretty close. So I'm thinking it might be a projection issue?
> >
> > In my mapnik config, I have set the projection to Google/OSM:
> > <Map bgcolor="#b5d0d0" srs="+proj=merc +a=6378137 +b=6378137
> > +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null
> > +no_defs +over">
> >
> > In my generate_tiles.py:
> > http://pastie.caboo.se/159356
> >
> > I got the file from OSM svn.
> >
> > My OpenLayers JS config:
> > http://pastie.caboo.se/159354
> >
> > I'm finding it hard to wrap my head around all this.
> >
> > Can anyone help at all?
> >
>
> According to:
>
> http://almien.co.uk/OSM/Tools/Coord/?x=560&y=577&z=10
> 10/560/577.png -> Centre: -22.431206, 17.050781
>
> http://almien.co.uk/OSM/Tools/Coord/?x=510&y=511&z=10
> 10/510/511.png -> Centre: 0.175780, -0.527344
>
> The 10/560/577.png tile seems to match the co-ordinates which you wanted
> to render and look at. This suggests the problem is somewhere in your
> openlayers setup and not the tile rendering.
>
>
>         Jon
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/dev/attachments/20080304/fb48bc25/attachment.html>


More information about the dev mailing list