[OSM-newbies] JOSM Offline-caching images

Alan & Ruth Bragg alan.ruth.bragg at gmail.com
Fri Mar 20 17:33:58 UTC 2015


I have to work offline a lot. Before I save the osm file I always pan
around the area at the greatest zoom level.
When I re-open the file offline, I rarely get enough high detail images to
work effectively.
Is there a way to cache the images. I've read several josm wiki pages that
all seem to be out of date regarding this process. I usually use Bing or
Mapbox.

The following does not seem to be available to me in the latest JOSM
How do I use WMS images offline in JOSM_ - OSM Help
"Caching
To reuse the tiles over JOSM sessions without having the reload them from
the server, right click on the WMS layer and set a bookmark. During the
next session, select the new WMS created by the bookmark in the WMS memu.
Additionally, you may want to modify the following values in the
preferences : cache.wmsplugin.expire ­1 : this is a time in second until
the tiles are invalidated. ­1 means "never flush". cache.wmsplugin.maxsize
999999999 : maximal size of the cache (probably in MB) Even though you have
to download an area "manually", you can work offline using this technique. "

Thanks
Alan Bragg


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51 Hancock St
Bedford MA 10730
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