[ELGIS] Fwd: [gdal-dev] Libtiff 4.0.0 Released
Peter Hopfgartner
peter.hopfgartner at r3-gis.com
Tue Dec 27 03:14:36 EST 2011
This seems to be, by far, the cleanest solution. I did not realize that
we already do have out oun LibTIFF.
Peter
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 <mailto: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>
> <mailto:warmerdam at pobox.com>
> To: GeoTIFF Mailing List <geotiff at lists.maptools.org>
> <mailto:geotiff at lists.maptools.org>, gdal dev
> <gdal-dev at lists.osgeo.org> <mailto:gdal-dev at lists.osgeo.org>
> CC: Bob Friesenhahn <bfriesen at simple.dallas.tx.us>
> <mailto: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 athttp://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,
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up | Frank Warmerdam,warmerdam at pobox.com <mailto:warmerdam at pobox.com>
> light and sound - activate the windows |http://pobox.com/~warmerdam <http://pobox.com/%7Ewarmerdam>
> and watch the world go round - Rush | Geospatial Software Developer
> _______________________________________________
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>
> --
> Peter Hopfgartner
> R3 GIS
> http://www.r3-gis.com
>
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--
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