Hi Wim, Did you try the BUFFER setting to increase the search area during the cluster creation? For more information see: http://mapserver.org/mapfile/cluster.html
Best regards, Tamas 2012/1/16 Wim Vanbelle <[email protected]> > Does anyone have any working examples of how they implemented clustering > without the tile clipping? > > Thanks. > > On 11 January 2012 10:00, Wim Vanbelle <[email protected]> wrote: > >> Hi, >> >> I'm very happy that mapserver is now capable of server side clustering. >> However I wonder if it's possible to completely get rid of the tile >> clipping. >> >> Currently I've clustered a point layer with 44k points: >> >> CLUSTER >> MAXDISTANCE 100 >> REGION "ellipse" >> >> END >> >> It is displayed with a simple image: >> STYLE >> SYMBOL "small_shaded.png" >> SIZE 21 >> OUTLINECOLOR 0 0 0 >> END >> >> However, when viewing this on google maps, the images are often clipped >> at the tile edges. >> >> I figured that I could solve this with mapcache: >> >> <tileset name="ld"> >> <source>ld</source> >> <cache>disk</cache> >> <grid>g2</grid> >> <format>PNG</format> >> <metatile>2 2</metatile> >> <metabuffer>30</metabuffer> >> <expires>3600</expires> >> <auto_expire>2592000</auto_expire> >> </tileset> >> >> i've tried higher values for metatile and it helps a bit, but the problem >> simply shifts location. Also with higher values (eg 5 5 metatile) mapserver >> doesn't return the tiles on time for mapcache and I get gaps in my results. >> >> Would preseeding the data help with the timeouts? Any other solutions >> that I may try? The metadata parameter for tile_edge buffer only works with >> labels as far as i know. >> >> Thanks in advance, this issue has been troubling me for some time now :). >> >> Best regards, >> Wim >> >> > > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users > >
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