Keith, Generating an image with nik2img.py using the -v (verbose) flag might help debug further:
http://code.google.com/p/mapnik-utils/wiki/Nik2Img To install just do $ easy_install nik2img Dane On Nov 23, 2008, at 8:47 AM, Keith Sharp wrote: > Hello, > > I'm trying to build a local slippy map of the UK based on Nick's > planet > extract and the SRTM data. I've managed to get the latest extract > loaded in Postgresql and did some test rendering with the > generate_image.py script from the OSM Mapnik SVN directory. I was > able > to produce the images I expected. > > I then moved on to try and add the SRTM data to Postgresql based on > the > instructions on: > > http://wiki.openstreetmap.org/wiki/Contours#The_PostGIS_approach > > I calculated that for the UK I needed the SRTM tiles in the range: > > N49 to N60 > E000 to E002 > W001 to W011 > > I downloaded the tiles and applied the script from the Wiki to create > and populate the contours table, which all seemed to work without > error. > I then added the Style and Layer sections from the Wiki to my osm.xml > file, updating the database details as needed. > > When I run generate_image.py it completes without error and the image > contains the base OSM data I would expect, but no contours. > > I'm using Fedora 9 with all packages (including mapnik, gdal, > postgresql, postgis, etc) from Fedora and the latest osm2pgsql and > Mapnik style from OSM SVN. I've copied my osm.xml, generate_image.py, > and image.png, files to: > > http://www.passback.org.uk/tmp/contours/ > > Can anyone suggest how I go about debugging this? > > Thanks, > > Keith. > > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/dev _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
