Ciao Simone, thank you so much for the clarification, saved my day. I'll test things out asap, doing away with ImageIO and living with small performance payoffs sounds very good to me.
Grazie mille, ferdinando On 5/5/2011 1:08 AM, Simone Giannecchini wrote: > Ciao Ferdinando, > let's clarify this point. > GeoTools uses a special version of the ImageIO tiff reader/writer that > drifed away from the standard SUN/Oracle one in order to evolve and > improve. The two companies did not seem to have any respect for the > ImageIO project so we created ImageIO-Ext > http://java.net/projects/imageio-ext/. > > Now, the tiff reader per-se is pure java and OS indipendent (it does > not care about 32/64 bits, little/big endian) so, generally speaking > things shoudl work fine on win64. > As usual there is one issue. If your geotiff tiles are encoded in JPEG > then you need a JPEG encoder. Since ImageIO has no native codec > availabe for Win64 the reader should revert to using the one inside > the JDK/JRE which is a little slower but things should work > seamlessly. > > Long story short, I don't think you need to worry about Imageio under > win64 since what you are referring as installing ImageIO I believe > means installing the native libs required by some ImageIO plugins for > better performance. In your case I would say that no features should > be lost and performances should not be affected. > > Regards, > Simone Giannecchini > ------------------------------------------------------- > Ing. Simone Giannecchini > GeoSolutions S.A.S. > Founder > > Via Poggio alle Viti 1187 > 55054 Massarosa (LU) > Italy > > phone: +39 0584 962313 > fax: +39 0584 962313 > mob: +39 333 8128928 > > http://www.geo-solutions.it > http://geo-solutions.blogspot.com/ > http://www.youtube.com/user/GeoSolutionsIT > http://www.linkedin.com/in/simonegiannecchini > http://twitter.com/simogeo > > ------------------------------------------------------- > > > > On Thu, May 5, 2011 at 12:56 AM, Ferdinando Villa<[email protected]> wrote: >> Grazie Simone. I was under the impression that ImageIO is required by >> geotools to read the tiff files in. If I'm wrong about that, then I >> suppose everything could work, but I'd be left with a question mark >> about the role of the ImageIO requirement in geotools. I am not running >> that configuration myself, but I'm getting reports from my team that >> they can't even install ImageIO in the 64bit JVM. I've been also running >> on 64bit machines and OS, but only using a 32bit JVM. >> >> So you're using a 64bit JVM on Win and having no problems? That would >> make my guys really happy... still, if ImageIO is a real requirement, >> that avenue seems at least partially broken. >> >> Grazie, ferdinando >> >> On 5/5/2011 12:49 AM, Simone Giannecchini wrote: >>> Ciao Fernando, >>> quickly, I understand the way ahead with JAI (pure Java) but I am not >>> I understand what the problem is with geotiff imageio. >>> I mean, I don't develop much anymore (sigh) but my laptop is 64 bits >>> machine with 8 GB of ram and I was just playing with a huge bigitff 1h >>> ago. >>> So yeah, I am a bit confused about what the problem is. Can you elaborate a >>> bit? >>> >>> Regards, >>> Simone Giannecchini >>> ------------------------------------------------------- >>> Ing. Simone Giannecchini >>> GeoSolutions S.A.S. >>> Founder >>> >>> Via Poggio alle Viti 1187 >>> 55054 Massarosa (LU) >>> Italy >>> >>> phone: +39 0584 9623 >>> fax: +39 0584 962313 >>> mob: +39 333 8128928 >>> >>> http://www.geo-solutions.it >>> http://geo-solutions.blogspot.com/ >>> http://www.youtube.com/user/GeoSolutionsIT >>> http://www.linkedin.com/in/simonegiannecchini >>> http://twitter.com/simogeo >>> >>> ------------------------------------------------------- >>> >>> >>> >>> On Thu, May 5, 2011 at 12:39 AM, Ferdinando Villa<[email protected]> wrote: >>>> Good guys, >>>> >>>> my team is running into unexpected difficulties trying to run >>>> geotools-based applications on 64bit Win7. We really need the larger >>>> memory space, but as others remarked, JAI and ImageIO don't come with >>>> native Win 64 binaries, and the source of the dlls isn't released, so >>>> that ties geotools to 32bit mode in Win. We'd be happy to run JAI in >>>> java-only mode, but the hassle remains reading the GeoTIFF files which >>>> still has to go through ImageIO and that doesn't seem to provide a pure >>>> Java implementation. >>>> >>>> Am I right in seeing this as a major showstopper, and is there any >>>> configurable alternative to using ImageIO in the GT coverage read >>>> functions? All I found on the lists or the web is calls for help but no >>>> solutions. >>>> >>>> Thanks much, >>>> ferdinando >>>> >>>> ------------------------------------------------------------------------------ >>>> WhatsUp Gold - Download Free Network Management Software >>>> The most intuitive, comprehensive, and cost-effective network >>>> management toolset available today. Delivers lowest initial >>>> acquisition cost and overall TCO of any competing solution. >>>> http://p.sf.net/sfu/whatsupgold-sd >>>> _______________________________________________ >>>> Geotools-gt2-users mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >>>> >> >> ------------------------------------------------------------------------------ >> WhatsUp Gold - Download Free Network Management Software >> The most intuitive, comprehensive, and cost-effective network >> management toolset available today. 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