Removing the extent parameters did it -- thanks a million! Michael
On Mon, Feb 8, 2010 at 10:45 PM, Dane Springmeyer <[email protected]>wrote: > Hi Michael, > > Welcome to Mapnik! > > What does this query give in pgAdmin: > > Select ST_Extent(the_geom) from cookcoroads; > > My guess is that your extent is not correct. It must be in the coordinates > of the spatial reference system. > > Another thing to try is to remove the hardcoded 'extent' parameter, and let > Mapnik dynamically fetch the extent. > > Dane > > > On Feb 8, 2010, at 7:39 PM, Michael Corey wrote: > > Hi all: > > I'm new to the listserv, so please forgive me if this has been asked > before. > > I have mapnik 0.7 up and running. I'm trying to use postGIS to display > layers so I can query for subsets of data when needed. I can import this > shapefile into postGIS, and when I query it in pgAdmin everything looks > fine. But when I add it to my mapnik XML, I don't get any errors, but no > data is showing on my image. > > Here's the postgis part of my XML: > > <Style name="roads"> > <Rule> > <LineSymbolizer> > <CssParameter name="stroke">#CF3333</CssParameter> > <CssParameter name="stroke-width">1.5</CssParameter> > <CssParameter name="stroke-opacity">1.0</CssParameter> > </LineSymbolizer> > </Rule> > </Style> > > <Layer name="cookroadspostgis" status="on" srs="+proj=utm +zone=15 > +ellps=GRS80 +datum=NAD83 +units=m +no_defs" clear_label_cache="on"> > <StyleName>roads</StyleName> > <Datasource> > <Parameter name="type">postgis</Parameter> > <Parameter name="host">localhost</Parameter> > <Parameter name="dbname">testpostgis</Parameter> > <Parameter name="user">******</Parameter> > <Parameter name="password">*******</Parameter> > <Parameter name="table">cookcoroads</Parameter> > <Parameter name="estimate_extent">false</Parameter> > <Parameter > name="extent">-96.0000,14.2500,-90.0000,82.0000</Parameter> > </Datasource> > </Layer> > > Anyone see an issue? There's a note about testing if my postgis plugin is > installed here, but I don't really understand what it's asking me to do: > > http://trac.mapnik.org/wiki/PostGIS > > Thanks much! > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users > > >
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