If you have updates of individual photos, I would not create a geotiff. The best would be to find a solution without transforming your photos.
Cheers Zitat von Robert Buckley <[email protected]>: > Hi, > > I like your approach. Although one problem from my end is how to > manage the datasets when we get new photos. I guess the whole > process will have to be done again from step one! > > > If I keep the photos as single files, I would then be able to just > replace the old photos and recreate the new image mosaic. > > OR > > create a number of imagemosaic e.g for each Region (we have 5) and > then serve the 5 regions together in a grouped layer. > > > It´s hard to tell which is easier....Orthophoto management is a real pain! > > yours, > > Robert > > > > ________________________________ > Von: "[email protected]" <[email protected]> > An: Robert Buckley <[email protected]> > Cc: "[email protected]" > <[email protected]> > Gesendet: 11:18 Montag, 30.Januar 2012 > Betreff: Re: [Geoserver-users] How to best serve Orthophotos with geoserver? > > Hi Robert, answers inside > > Zitat von Robert Buckley <[email protected]>: > >> Hi, >> >> I would like to serve all by Orthophotos with geoserver and then >> cache them with GeoWebCache. >> >> Each Photo is a 3 band 8 bit raster with a 40cm resolution at >> around 74mb each. >> >> - Is there any benefit to reducing the bands from 3 to 1? ( the >> size of the raster remains the same) > > The pixel dimensions remain the same, but one pixel is represented > by one byte instead of three bytes. The answers is definitely YES. > >> >> - Is there any way I can reduce the size from 75mb? I have around >> 1300 Photos and it would be nice to lower the upload time... > > > > I have the same problem here and thinking about the following solution. > use gdal_merge.py or gdalwarp to create one big picture having 3 bands > use rgb2pct.py to create a big picture having one band. > use gdal_translate to create a geotiff (using inner tiles and LZW > compression). > use gdaladdo to create the the overviews you need > > The result should be one geotiff file (Probably a bigtiff if the > size is bigger than 4GB). > > Geoserver supports geotiff out of the box. Geoserver 2.2.x supports > bigtiff, Geoserver 2.1.x supports it recently. > http://jira.codehaus.org/browse/GEOT-3931 > If you are on 2.1.x and you need bigtiff support, you have to test > with a nightly build. > > > Hope this helps > Christian > >> >> thanks for your suggestions, >> >> Rob > > > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Geoserver-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
