Ciao Jonathan, I don't know about FME therefore I cannot comment on how to do such things with it. I hardly believe many people on this list (as well as on other OS oriented lists) will know it much. This to say that most intructions you'll find will be oriented towards OS tools like GDAL utilities rather than towards proprietary solutions like FME.
That said, the suggestions you are looking for are inside the document andrea suggested (here the link again http://goo.gl/TXJRS): - slides 7-9 when do use what - slides 10-13 how to optimize each single geotiff - slides 17-19 how to prepare a mosaic and so on. If you check on the web you'll also find other docs that compare tile sizes rather than types of compression, e.g. http://www.fosslc.org/drupal/content/tuning-gdal-raster-performance Regards, Simone Giannecchini == Our support, Your Success! Visit http://opensdi.geo-solutions.it for more information. == Ing. Simone Giannecchini @simogeo Founder/Director GeoSolutions S.A.S. Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 333 8128928 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- On Thu, Dec 27, 2012 at 2:20 PM, Jonathan Moules <[email protected]> wrote: > Hi list, > Following this up, I've decided to go the GeoTIFF/BigTiff route with inner > tiling and overviews based on Andrea's document. > But unfortunately there doesn't seem to be any documentation on the > GeoServer pages about this stuff. I've never used GDAL before and generally > avoid the command line (there's a reason we're trying for GeoServer not > MapServer ;-) ) so am not sure where to start. > > My source input is hundreds/thousands of LZW compressed GeoTIFF tiles. These > need to be mosaiced together (I can do that in FME easily enough). > But then what? Do I compress them at this point? Or inner tiling? Or > Overview? Does it matter what order these things are done? > And what settings should I use? For instance Andrea's document gives a > "blocksize" of 512, but Jukka's comments were on the order of 10,000 and the > default is 256. > > Is there a tutorial out there on this I've failed to find? > Thanks, > Jonathan > > > On 21 December 2012 14:45, Jonathan Moules > <[email protected]> wrote: >> >> Thanks Andrea, this looks like a very useful document although it is >> looking like I'm not going to be able to do this with FME from what I can >> see. >> Cheers, >> Jonathan >> >> >> >> >> On 20 December 2012 21:06, Andrea Aime <[email protected]> >> wrote: >>> >>> On Thu, Dec 20, 2012 at 12:16 PM, Jonathan Moules >>> <[email protected]> wrote: >>>> >>>> Hi Jukka, >>>> Thanks for the information. >>>> >>>> Relating to the TIFF's, I'd still prefer to use one single tool >>>> (specifically FME) for tile/image creation. FME can create pyramids, but >>>> not >>>> as part of a GeoTIFF. So I can create separate TIFF files and tile them if >>>> necessary too (either internal tiling or regular tiling), but how do I get >>>> these into GeoServer? >>>> >>>> Is there a resource out there which describes the different Raster >>>> serving extensions and the advantages/disadvantages of each? >>> >>> >>> Here: >>> http://demo.geo-solutions.it/share/foss4g2011/gs_steroids_sgiannec_foss4g2011.pdf >>> >>> Cheers >>> Andrea >>> >>> -- >>> == >>> Our support, Your Success! Visit http://opensdi.geo-solutions.it for more >>> information. >>> == >>> >>> Ing. Andrea Aime >>> @geowolf >>> Technical Lead >>> >>> GeoSolutions S.A.S. >>> Via Poggio alle Viti 1187 >>> 55054 Massarosa (LU) >>> Italy >>> phone: +39 0584 962313 >>> fax: +39 0584 1660272 >>> mob: +39 339 8844549 >>> >>> http://www.geo-solutions.it >>> http://twitter.com/geosolutions_it >>> >>> ------------------------------------------------------- >> >> > > > > This transmission is intended for the named addressee(s) only and may > contain sensitive or protectively marked material up to RESTRICTED and > should be handled accordingly. Unless you are the named addressee (or > authorised to receive it for the addressee) you may not copy or use it, or > disclose it to anyone else. If you have received this transmission in error > please notify the sender immediately. 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