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GDAL - Geospatial Data Abstraction Library
GDAL is a translator library for raster geospatial data formats
that is released under an
Open Source license. As a library, it presents a
single abstract data
model to the calling application for all supported formats.
The related OGR
library (which lives within the GDAL source tree) provides
a similar capability for simple features vector data.
Master Page:
http://www.remotesensing.org/gdal/index.html
Maintainer: Frank Warmerdam.
Status
GDAL is in active use in a few projects, and includes a number of formats.
Current translators include GeoTIFF (read/write), Erdas Imagine (read/write),
ESRI .BIL (read), .aux labelled raw (read/write), DTED (read), SDTS
DEM (read), CEOS (read), JPEG (read/write), PNG (read/write),
Geosoft GXF (read) and Arc/Info Binary Grid (read). A full list is
available in Supported Formats.
The gdal-dev@yahoogroups.com
mailing list can be used for discussion of development and user issues related
to GDAL and related technologies. Subscriptions can be done, and archives
reviewed
on the web.
API Documentation
exists for GDAL, and was created using Doxygen.
Bug Reporting
GDAL bugs
can
be reported, and
can be
listed using BugZilla.
Download
Binaries of the GDAL utility programs and the shared libraries are
available for
MS Windows
NT/95/98 and
Linux.
The GDAL source is available by anonymous CVS or as a tarball:
% export CVSROOT=:pserver:anonymous@cvs.remotesensing.org:/cvsroot
% cvs login
Password: anonymous
% cvs checkout gdal
Update access to the CVS repository can be obtained by arrangement with
the maintainer. The CVS tree can also be
browsed
on the web. The last full source release is available as
gdal117.zip
or
gdal-1.1.7.tar.gz. Build instructions
are also available.
Key Documentation Entry Points
Related Information
- My other
projects, many of which are incorporated into GDAL or use GDAL.
- RemoteSensing.ORG: An
organization for cooperative OpenSource work related to remote sensing.
GDAL is hosted at remotesensing.org.
- OGRSpatialReference: My OGR encapsulation of OpenGIS
projection definitions.
- OpenEV: An OpenGL/GTK/Python
based graphical viewer which exclusively uses GDAL for raster access.
- OSSIM:
Another geospatial viewing and analysis environment which uses GDAL as one
of several plugins.
- UMN MapServer:
A popular web mapping application with GDAL support.
- Virtual Terrain Project:
The VTP libraries now use GDAL.
- GDAL is available as an RPM on the FreeGIS CD's, and list is
listed at FreeGIS.org.