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EoxServerNest
EOxServer heavily relies on the Geospatial Data Abstraction Library (GDAL) for raster data reading and generation. In the case of ReferenceableGridCoverages EOxServer relies on the presence of ground control points (GCPs) in the data files. Simple approximative transformations based on these GCPs are used to generate rectified views on the data for WMS and to calculate subset bounds for WCS GetCoverage requests. The images generated as responses to GetCoverage requests contain all the metadata supported by GDAL. However, in .N1 files as available by ESA's ENVISAT mission additional metadata is available. In order to be able to generate images containing this metadata a branch of EOxServer is maintained where for ReferenceableGridCoverages GDAL is replaced with the Next ESA SAR Toolbox (NEST) which is capable of generating GeoTIFFs including all metadata stored in .N1 files.
The links below provide downloads for the EOxServer_NEST branch.
2012-05-07 - 0.2.0
- EOxServer_NEST-0.2.0.tar.gz (md5) (9MB)
- EOxServer_NEST_autotest-0.2.0.tar.gz (md5) (69MB)
- EOxServer_NEST_schemas-0.2.0.tar.gz (md5) (6MB)
- EOxServer_NEST_full-0.2.0.tar.gz (md5) (88MB)
The development source is available at https://github.com/EOxServer/eoxserver/tree/0.2-dev_nest.
The package can be easily installed via:
sudo pip install http://eoxserver.org/export/head/downloads/EOxServer_NEST/EOxServer_NEST-0.2.0.tar.gz
or after a manual download:
wget http://eoxserver.org/export/head/downloads/EOxServer_NEST/EOxServer_NEST-0.2.0.tar.gz .
sudo pip install EOxServer_NEST-0.2.0.tar.gz
Don't forget the "--upgrade" switch if you're upgrading.
Please refer to the installation guide available in the EOxServer Documentation for further help.
On CentOS simply run:
wget http://eoxserver.org/export/head/downloads/EOxServer_NEST/EOxServer_NEST-0.2.0.tar.gz .
pip-python install --upgrade EOxServer_NEST-0.2.0.tar.gz
Don't forget the manual rerun of the pysqlite installation afterwards.
Please refer to the CentOS installation guide available in the EOxServer Documentation for further help.
There are two configuration parameters necessary in conf/eoxserver.conf.
First add the following to the [services.ows.wcs20] section:
use_nest=true
Second add the following section and parameter:
[processing.nest.gpt]
gpt_path=/<PATH-TO-NEST>/gpt.sh