[josm-dev] caching

[colliar]

Hey

Have to take a look, but I am also burdend as I was using Maps4BW quite
a lot lately and your numbers below are low compared to mine as I did
not find to tell JOSM to not automatically download and also not to
prevent extra downloads after zooming in/out.

cheers colliar


Am 06.12.2013 13:33, schrieb Martin Koppenhoefer:
>  I was recently looking for the cache settings (WMS) because of a
> discussion on the national ML, and have found this in the wiki:
> ###
> http://josm.openstreetmap.de/wiki/Help/Menu/Imagery
> 
> 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.
> ###
> 
> 
> now looking into my advanced preferences I don't have these keys (visible),
> but there are a bunch of others:
> 
> cache.bing.attribution.xml  =  1386019732
> 
> cache.capabilities-131030235  =  1386019732
> cache.folder  =  <unset>
> cache.geoimage-thumbnails.expire  = -1
> cache.geoimage-thumbnails.maxsize  = 120
> cache.motd.html  =  1386331843
> cache.motd.html.java  =  1.7.0_45
> cache.motd.html.lang   =  En:
> cache.motd.html.version  =  6442
> 
> and also these:
> imagery.tms.tilecache_path  =
> /var/folders/lr/yk1xc0j175vcx5bm0r1jg7g00000gq/T/JMapViewerTiles_martin
> 
> I have also found that I have apparently a lot of cached data on disk :
> $ du -hc ~/.josm/cache/wms/
>  49M    /Users/martin/.josm/cache/wms//1/epsg4326
> 2,7G    /Users/martin/.josm/cache/wms//1/mercator
> 2,7G    /Users/martin/.josm/cache/wms//1
>  90M    /Users/martin/.josm/cache/wms//2/mercator
>  90M    /Users/martin/.josm/cache/wms//2
> 880K    /Users/martin/.josm/cache/wms//3/mercator
> 900K    /Users/martin/.josm/cache/wms//3
> 4,1M    /Users/martin/.josm/cache/wms//4/mercator
> 4,1M    /Users/martin/.josm/cache/wms//4
> 4,0K    /Users/martin/.josm/cache/wms//5
> 2,8G    /Users/martin/.josm/cache/wms/
> 2,8G    total
> 
> 
> Now my questions: have there been changes to the caching mechanism (WMS and
> TMS). Do I have to set something in order to enable caching? And finally:
> is there an advanced setting to disable "auto change resolution" for wms
> layers?




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