[OSM-dev] generate_tiles.py and openlayers issue

Xin xin at zenpow.com
Fri Feb 29 16:49:04 GMT 2008


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?

Cheers,
Xin
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