Tree:
331a473f1a
11.0
12.0
12.1
12.2
13.0
13.1
13.37
14.0
14.1
14.2
15.0
bedlam
bedlam-name-fixes
dive
erik
gitignore
libressl-gopher-test
master
misc-fixes
python-renames
rworkman
urchlay
user/aclemons/updates
user/anddt/development/acpica
user/anddt/development/glm
user/anddt/development/gnustep-base
user/anddt/development/gnustep-make
user/anddt/games/assaultcube-reloaded
user/anddt/games/doomseeker
user/anddt/games/prboom-plus
user/anddt/games/rocksndiamonds
user/anddt/games/rottexpr
user/anddt/games/srb2
user/anddt/graphics/blender
user/anddt/graphics/maim
user/anddt/ham/chirp
user/anddt/ham/hamlib
user/anddt/libraries/girara
user/anddt/libraries/goffice
user/anddt/libraries/gtksourceview4
user/anddt/libraries/imlib2
user/anddt/libraries/jsoncpp
user/anddt/libraries/libnova
user/anddt/libraries/libopenmpt
user/anddt/libraries/libtorrent
user/anddt/libraries/wxGTK3
user/anddt/libraries/xmlrpc-c
user/anddt/misc/discount
user/anddt/misc/slop
user/anddt/network/nethogs
user/anddt/network/putty
user/anddt/network/rclone
user/anddt/network/rtorrent
user/anddt/network/sshguard
user/anddt/network/strongswan
user/anddt/network/umurmur
user/anddt/network/yt-dlp
user/anddt/network/znc
user/anddt/office/gnumeric
user/anddt/office/sigil
user/anddt/system/FontAwesome
user/anddt/system/conky
user/anddt/system/fakeroot
user/anddt/system/hplip-plugin
user/anddt/system/postgresql
user/anddt/system/testdisk
user/anddt/system/worker
user/anddt/system/xen
user/anddt/system/zzzfm
user/belka/updates
user/chris.willing/updates
user/dslackw/updates
user/elyk/updates
user/kingbeowulf/updates
user/mario/updates
user/ponce/updates
user/pprkut/updates
willysr
wxWidgets-wip
GPG-KEY
15.0-20230325.1
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15.0-20230107.1
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14.2-20210417.1
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14.2-20200328.1
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14.2-20200112.1
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14.2-20190420.1
14.2-20190413.1
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14.2-20190119.1
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14.2-20181229.1
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14.2-20181222.1
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14.2-20181020.1
14.2-20181013.1
14.2-20181006.1
14.2-20180929.1
14.2-20180923.1
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14.2-20180908.1
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14.2-20180825.1
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14.2-20180811.1
14.2-20180804.1
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14.2-20180714.1
14.2-20180707.1
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14.2-20180609.1
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Giancarlo Dessì
3bcd96afdc
gis/libecwj2: Fix typo in README.
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2 years ago | |
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| .. | ||
| README | 3bcd96afdc gis/libecwj2: Fix typo in README. | 2 years ago |
| libecwj2-3.3-NCSPhysicalMemorySize-Linux.patch | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
| libecwj2-3.3-msvc90-fixes.patch | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
| libecwj2-3.3-wcharfix.patch | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
| libecwj2.SlackBuild | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
| libecwj2.info | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
| slack-desc | f2d44a2097 gis/libecwj2: Added (translator library for raster geospatial data) | 2 years ago |
README
libecwj2 is a library that gives support to GDAL for reading, import,
and convert raster geospatial data in non-free ECW and JPEG 2000
formats. This library was released as free and open source in 2006 by
Earth Resource Mapping, formerly owner of ECW patents.
ECW (Enhanced Compression Wavelet) is a full proprietary standard of
compression image format.
JPEG 2000 (or JP2) is a similar standard under free concession but
protected by patents in some parts.
Both the formats are more powerful than other formats in lossy
compression of large image data without significant losses of quality,
but are mainly accessible through proprietary software, specially to
manage geospatial data.
libecwj2 is the only one free and open source library that includes
the support to these formats in GDAL and indirectly in platforms that
require it as dependency (i.e. QGIS and Orfeo Toolbox). GDAL can be
also used to convert ECW or JP2 files in other graphic formats.
After the installation, to apply the support to ECW/JP2 formats, GDAL
must be rebuilt without any other setting: libecwj2 is an optional
dependency autodetected.
To verify if the plugin is enabled, you can launch the following
command:
$ gdalinfo --formats | grep ECW
If the plugin is successfully enabled, this command returns
ECW -raster- (rw): ERDAS Compressed Wavelets (SDK 3.x)
JP2ECW -raster,vector- (rw+v): ERDAS JPEG2000 (SDK 3.x)
and convert raster geospatial data in non-free ECW and JPEG 2000
formats. This library was released as free and open source in 2006 by
Earth Resource Mapping, formerly owner of ECW patents.
ECW (Enhanced Compression Wavelet) is a full proprietary standard of
compression image format.
JPEG 2000 (or JP2) is a similar standard under free concession but
protected by patents in some parts.
Both the formats are more powerful than other formats in lossy
compression of large image data without significant losses of quality,
but are mainly accessible through proprietary software, specially to
manage geospatial data.
libecwj2 is the only one free and open source library that includes
the support to these formats in GDAL and indirectly in platforms that
require it as dependency (i.e. QGIS and Orfeo Toolbox). GDAL can be
also used to convert ECW or JP2 files in other graphic formats.
After the installation, to apply the support to ECW/JP2 formats, GDAL
must be rebuilt without any other setting: libecwj2 is an optional
dependency autodetected.
To verify if the plugin is enabled, you can launch the following
command:
$ gdalinfo --formats | grep ECW
If the plugin is successfully enabled, this command returns
ECW -raster- (rw): ERDAS Compressed Wavelets (SDK 3.x)
JP2ECW -raster,vector- (rw+v): ERDAS JPEG2000 (SDK 3.x)