[ELGIS] Fwd: [gdal-dev] Libtiff 4.0.0 Released

[Volker Fröhlich]

On Tuesday, December 27, 2011 01:14:28 PM Micha Silver wrote:
> On 12/27/2011 10:14 AM, Peter Hopfgartner wrote:
> This seems to be, by far, the cleanest solution. I did not realize that we
> already do have out oun LibTIFF.
> 
> Peter
> 
> 
> Would libtiff 4.0 include support for 12 bit jpeg? I know this is still a
> bit "esoteric", not well supported. But it seems to be a very good
> compression option without resorting to ecw or MrSid. Wonder what FrankW
> thinks about it? Thanks,
> Micha

Micha, did you consider Epsilon?

http://sourceforge.net/projects/epsilon-project/
http://www.gdal.org/frmt_epsilon.html
https://bugzilla.redhat.com/show_bug.cgi?id=660024

Volker

>  
> On 12/23/2011 08:46 PM, Mathieu Baudier wrote:
> ELGIS (6) already provides libtiff, so why not upgrade it to 4.0 and rebuild
> everything against it? Frank was never keen on the current version anyhow
> (as he put again in this announcement) On 23 Dec 2011 15:00, "Peter
> Hopfgartner" <peter.hopfgartner at r3-gis.com> wrote: I do think that this is
> of a certain interest to us.
> 
> Should we try to include this in ELGIS? Should we craete an libtiff4 package
> that can be installed in parallel to the current package? Every package
> needing LibTIFF 4 must be recompiled, anyway.
> 
> Peter
> 
> -------- Original Message --------
> Subject:	[gdal-dev] Libtiff 4.0.0 Released
> Date:	Thu, 22 Dec 2011 10:40:30 -0800
> From:	Frank Warmerdam <warmerdam at pobox.com>
> To:	GeoTIFF Mailing List <geotiff at lists.maptools.org>, gdal dev
> <gdal-dev at lists.osgeo.org> CC:	Bob Friesenhahn
> <bfriesen at simple.dallas.tx.us>
> 
> Folks,
> 
> Of interest to many GeoTIFF and GDAL users, Bob Friesenhahn
> has announced:
> 
> """
> At long last, libtiff 4.0.0 is finally released.  Libtiff 4.0.0 is the
> successor to the libtiff 3.9.X release series.  It is intended to be
> largely API compatible with the 3.9.X releases, but it is definitely
> not ABI compatible so any software which plans to use it will need to
> be recompiled.  With appropriate care, source code can easily compile
> with both the 3.9.X releases and libtiff 4.0.0.
> 
> This release supports the BigTIFF TIFF format in which all offsets are
> unsigned 64-bit, supporting huge files.  APIs which deal with tag
> offsets are necessarily updated to pass 64-bit values.  I/O functions
> supporting the TIFFClientOpen() interface are updated to pass 64-bit
> offset values.
> 
> Please visit the libtiff page at http://www.remotesensing.org/libtiff/
> to learn more about the release, or to download it.
> """"
> 
> Note that GDAL's internal version of libtiff has tracked libtiff4 for
> several years, and it is substantially preferred to using libtiff 3.9 which
> lacks bigtiff
> and many fixes of value to GDAL.  Libgeotiff should work smoothly with
> libtiff 3.9.x or libtiff 4.0.
> 
> Best regards,