[OSM-talk] loading geotiff to osm editors

Andy Allan gravitystorm at gmail.com
Tue Oct 20 17:48:17 BST 2009

On Tue, Oct 20, 2009 at 5:35 PM, maning sambale
<emmanuel.sambale at gmail.com> wrote:
> Any advice on loading georectfied imagery (very large geotiff) to
> josm/merkaartor/potlatch?

* Create a mapnik style that has one layer (the geotiff) and one
* Run generate_tiles.py to make google-projection tiles
* Put them on a webserver. They are already in the right folder
structure so any webserver will do
* You're good to go!

You can supply extra parameters in the Potlatch url if you want to
direct people to the imagery without having to paste in anything into
the custom url box. For a working example, see


I'd avoid WMS for this stuff. If you can't get it working I can
process it and host the tiles for you.


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