Well, according to this page: http://jpeg2000.epfl.ch/ v.5.1, courtesy in part Eastman Kodak, provides "complete JP2 support at the decoding side" - not sure whether that covers the tiling or other geo needs, but doesn't it sound worth investigating?
Chris ----- "Christopher Schmidt" <crschm...@crschmidt.net> wrote: > On Fri, Aug 21, 2009 at 08:27:13AM -0700, Landon Blake wrote: > > Thanks for the information Michael. I am downloading Opticks right > now. > > :] > > > > I also found this Java library for JP2, thought I'm not sure how > > complete/up-to-date it is: > > > > http://jj2000.epfl.ch/ > > > > Maybe we need a JPEG 2000 page on the OSGeo wiki. > > Note that "JPEG 2000 support" is different from "JPEG 2000 support > which > works on geo-sized images." The tiling (or 'paging'? as Michael calls > it) support that's supposed to be provided by OpenJPEG2000 has been > coming 'real soon now' for about 18 months now from my uneducated > observations, and until it's there, most tools using OpenJPEG for JP2s > are > going to suffering under much the same limitations. > > -- Chris > > > Landon > > Office Phone Number: (209) 946-0268 > > Cell Phone Number: (209) 992-0658 > > > > > > > > -----Original Message----- > > From: discuss-boun...@lists.osgeo.org > > [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Considine, > Michael > > Sent: Friday, August 21, 2009 8:09 AM > > To: OSGeo Discussions > > Subject: RE: [OSGeo-Discuss] Open File Formats and > > ProprietaryAlgorithms[SEC=UNCLASSIFIED] > > > > All, > > > > Opticks is an open source remote sensing application and > development > > framework. We recently started the process to add JPEG 2000 support > to > > our framework. We picked OpenJpeg to add JPEG 2000 support to our > > application. They are also open source. We currently support > importing > > JPEG 2000 files but we are currently limited to the 4GB memory size > > after decoding. > > > > Our plan is to continue development and to upgrade to OpenJpeg 2.0 > once > > they have a stable release. That will allow Opticks to use a pager > to > > display and support much larger files. > > > > Michael Considine > > > > -----Original Message----- > > From: discuss-boun...@lists.osgeo.org > > [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Bruce > Bannerman > > Sent: Thursday, August 20, 2009 8:15 PM > > To: 'OSGeo Discussions' > > Subject: RE: [OSGeo-Discuss] Open File Formats and Proprietary > > Algorithms[SEC=UNCLASSIFIED] > > > > > > IMO: > > > > > > Just another thought on this issue (though we do seem to be > recycling > > arguments over the years...): > > > > > > Assuming that I have a very large archive of spatial data, be it > imagery > > or any other spatial format and that I store my data in a variety > of > > proprietary formats: > > > > > > In ten years from now, can I be sure that: > > > > - the company that created, understands, and holds the IP in the > > data format will still be around? > > > > - there will still be software that runs on the then current > > operating environment, that can read and 'fully exploit' the data > > in the proprietary standard? > > > > - that this future software will work seamlessly with my then > current > > spatial environment? > > > > - if all of the above risks prove to eventuate, can I be sure that > I'll > > be able to salvage my data into another format, retaining its > complete > > > > semantic context? > > > > > > IMO, it is a high risk proposition to lock public (or private) > archives > > away in proprietary data formats. It makes more sense to use open > > standards and formats that are publically available. > > > > > > > > Bruce Bannerman > > > > > > > > > > > > > -----Original Message----- > > > From: discuss-boun...@lists.osgeo.org > > > [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Michael > > > P. Gerlek > > > Sent: Friday, 21 August 2009 6:55 AM > > > To: OSGeo Discussions > > > Subject: RE: [OSGeo-Discuss] Open File Formats and > > > Proprietary Algorithms > > > > > > Some clarifications: > > > > > > > > > > > > - MrSID has both lossy and lossless modes > > > > > > - MrSID is not fractal based; it uses wavelets (and > > > arithmetic encoding) > > > > > > - you can't copyright algorithms; the MrSID source code > > > certainly is, however > > > > > > - MrSID relies on a number of patents, not all of which are > > > owned by LizardTech > > > > > > - reading MrSID does not require any fees; we have libraries > > > you can download, although they are not open source > > > > > > > > > > > > That said, some editorial comments (although I'm now wishing > > > I hadn't been so quick to rise to Landon's bait :-) > > > > > > > > > > > > - Some of you know the history of trying to open source > > > MrSID; I won't go into that here, except to say that > > > LizardTech doesn't own all of the required IP needed to make > > > that happen. > > > > > > - If we are speaking of the NAIP data, then no, it is not > > > exclusively available in MrSID format; it is also shipped as > GeoTIFFs. > > > > > > - JPEG 2000 is a very robust open standard alternative to > > > MrSID, and a number of players already support it (including > > > LizardTech), but not enough to make it viable for certain > > > domains like NAIP. > > > > > > - some of you also know the history on open JP2 support: > > > there is today no open source implementation of JP2 that is > > > suitable for geo work. Alas. > > > > > > > > > > > > -mpg > > > > > > > > > > > > > > > > > > From: discuss-boun...@lists.osgeo.org > > > [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Eric Wolf > > > Sent: Thursday, August 20, 2009 2:15 PM > > > To: OSGeo Discussions > > > Subject: Re: [OSGeo-Discuss] Open File Formats and > > > Proprietary Algorithms > > > > > > > > > > > > The MRSID format is a very special case - and perhaps an > > > opportunity for a new FOSS file format. MRSID is a lossless, > > > fractal-based, multi-scale raster compression format. > > > LizardTech has the algorithms to encode and decode MRSID > > > locked up in copyrights, and I believe, patents. Even > > > companies like ESRI shell out big bucks to LizardTech to be > > > able to read and write the MRSID format. > > > > > > > > > > > > I guess I missed the context of the discussion. Is the > > > government releasing certain data exclusively in this format? > > > If so, I think the argument can be made against this > > > practice. The different in compression between MRSID and > > > gziped TIFFs isn't really that great in this day of cheap > > > disks and fat pipes. > > > > > > > > > > > > -Eric > > > > > > > > > -=--=---=----=----=---=--=-=--=---=----=---=--=-=- > > > Eric B. Wolf New! 720-334-7734 > > > USGS Geographer > > > Center of Excellence in GIScience > > > PhD Student > > > CU-Boulder - Geography > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > Discuss mailing list > > Discuss@lists.osgeo.org > > http://lists.osgeo.org/mailman/listinfo/discuss > > > > > > > > This message and any enclosures are intended only for the > addressee. > > Please > > notify the sender by email if you are not the intended recipient. > If > > you are > > not the intended recipient, you may not use, copy, disclose, or > > distribute this > > message or its contents or enclosures to any other person and any > such > > actions > > may be unlawful. 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