[OSM-dev] OT: generate_tiles.py generates blank images

Jon Burgess jburgess777 at googlemail.com
Wed Oct 1 20:40:30 BST 2008


On Wed, 2008-10-01 at 18:54 +0100, John McKerrell wrote:
> 
> I'm trying to generate some tiles for postcode boundaries of a
> single  
> UK city using mapnik. I've successfully generated a single image but  
> when I try passing the same XML file into generate_tiles.py I just
> get  
> blank data back. Does anyone have any suggestions for why? 

Some versions of ImageMagick have a bug which causes the tool to
generate blank files. Try commenting out the line with the 'convert'
command and the call line following it. 

	Jon






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