This is worth a read as well for info on how to optimize your images for mapserver.
http://mapserver.org/uk/optimization/raster.html On Wed, Oct 14, 2015 at 6:56 AM, thomas bonfort <[email protected]> wrote: > it depends on many factors... large metatiles are more efficient as > they usually impose less load on the WMS server, but can cause a > significant delay for the end user if you are populating your cache on > demand. > If you're preseeding everything, use large power of 2 metatiles (4x4, > 8x8,...). If you haven't pre-seeded, use smaller ones, how small > depends on the experience you want to provide your user if the tile > isn't already in the cache (2x2, 4x4). > If you're rendering raster data only, you don't need a metabuffer. > > On 13 October 2015 at 22:15, Robert Sanson > <[email protected]> wrote: > > Thanks Thomas. I do not have labels, so would you still recommend > metatiles for performance reasons? Would you suggest 3 3 or 5 5 for a > Mapserver WMS backend? > > > > <metatile>3 3</metatile> > > > > Robert > > > > -----Original Message----- > > From: thomas bonfort [mailto:[email protected]] > > Sent: Tuesday, 13 October 2015 8:07 p.m. > > To: Robert Sanson <[email protected]> > > Cc: [email protected] > > Subject: Re: [mapserver-users] Mapcache - optimum format for orthophotos? > > > > in the vast majority of the cases, you'll want to have mapcache use > metatiles, be serving PNGs from your WMS server (<format>image/png</format> > in your mapcache <source>), and storing your tiles as JPG > (<format>JPG</format> in your <tileset>). If you need to preserve > transparency on your orthophoto edges, you can choose to store the tiles as > a"mixed" format instead of pure JPG. > > > > -- > > thomas > > > > On 12 October 2015 at 22:13, Robert Sanson < > [email protected]> wrote: > >> Hi > >> > >> What is the recommended format for serving and storing true colour > orthophotos via Mapcache if we wish to preserve maximum detail? The source > data are uncompressed GeoTiffs served as WMS by Mapserver. > >> > >> Many thanks, > >> > >> Robert Sanson > >> _______________________________________________ > >> mapserver-users mailing list > >> [email protected] > >> http://lists.osgeo.org/mailman/listinfo/mapserver-users > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users > -- [image: FBS Logo] *Travis Kirstine*, Web Development Supervisor *t *905‑477‑3600* x *301 | *m *647‑534‑4798 | [email protected] *First Base Solutions Inc.* 140 Renfrew Drive, Suite 100 | Markham | Ontario | L3R 6B3 *t* 905‑477‑3600 | *f* 905‑477‑0892 | www.firstbasesolutions.com
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