[OSM-dev] Slippy map tiles mismatch
jburgess777 at googlemail.com
Wed Feb 24 22:57:01 GMT 2010
On Tue, 2010-02-23 at 18:46 -0500, Matt Hampel wrote:
> >> I have tried using two shapefiles (one reprojected into NAD83) and two
> >> corresponding projections in the Map element.
> >> NAD83:
> >> <Map srs="+proj=latlong +ellps=NAD83 +datum=NAD83 +no_defs">
> > The default osm.xml map style uses the google-style 900913 projection.
> > If you want to generate a latlong map then you will also have to update
> > the projection string in generate_tiles.py. Have you done this?
> >> Layer SRS WKT:
> >> GEOGCS["GCS_North_American_1983",
> >> DATUM["North_American_Datum_1983",
> >> SPHEROID["GRS_1980",6378137.0,298.257222101]],
> >> PRIMEM["Greenwich",0.0],
> >> UNIT["Degree",0.0174532925199433]]
> > That should be OK, but I wanted to see the <Datasource> block in your
> > style for this shapefile. There are some easy mistakes which can be made
> > in setting up the layer projection and extent.
> > Jon
> Sorry about that. I've posted the whole XML file here:
> http://paste.ly/HV (made via cascadenik)
> Hopefully this is what you're looking for?
> <Parameter name="type">shape</Parameter>
The style looks reasonable. Did you update the projection string in
generate_tiles.py as I mentioned earlier?
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