Commit cf465019 authored by Daniel Scheffler's avatar Daniel Scheffler
Browse files

Improved documentation.


Signed-off-by: Daniel Scheffler's avatarDaniel Scheffler <danschef@gfz-potsdam.de>
parent 38ee535c
Pipeline #24437 passed with stage
in 12 minutes and 29 seconds
......@@ -123,7 +123,8 @@ def get_enpt_argparser():
add('--scale_factor_boa_ref', type=int, default=10000,
help='Scale factor to be applied to BOA reflectance result')
add('--threads', type=int, default=-1,
help='Number of threads in ACwater Polymer: 0 for single thread; < 0 for as many as there are CPUs; and > 0 gives the number of threads')
help='Number of threads in ACwater Polymer: 0 for single thread; < 0 for as many as there are CPUs; '
'and > 0 gives the number of threads')
add('--blocksize', type=int, default=100,
help='Block size in ACwater Polymer')
add('--run_smile_P', type=_str2bool, default=False, nargs='?', const=True,
......
......@@ -16,8 +16,7 @@ Feature overview
* read EnMAP Level-1B input data
* radiometric conversion to top-of-atmosphere radiance
* dead pixel correction
* atmospheric correction (based on SICOR_)
* atmospheric correction of water surfaces (based on Polymer_ via `ACwater Polymer`_).
* atmospheric correction (based on SICOR_ for land and `ACwater Polymer`_ via Polymer_ for water surfaces)
* detection and correction of geometric misregistrations compared to user provided spatial reference (based on AROSICS_)
* orthorectification
* write EnMAP Level-2 output data
......
......@@ -99,13 +99,10 @@ to BOA- (bottom-of-atmosphere / surface) reflectance. SICOR is a Python based op
German Research Centre for Geosciences (GFZ) Potsdam. For details on the underlying algorithm, please refer to the
`documentation pages of SICOR`_.
Atmospheric correction for water
*********************************
Optionally, EnPT retrieves water reflectance above the surface using the `ACwater Polymer`_.
The ACwater Polymer is a "wrapper" package (developed at the Alfred-Wegener-Institute, Bremerhaven)
Optionally, EnPT retrieves water reflectance above the surface using `ACwater Polymer`_.
ACwater Polymer is a "wrapper" package (developed at the Alfred-Wegener-Institute, Bremerhaven)
for the `Polymer`_ atmospheric correction (AC) algorithm (developed by Hygeos, Inc).
Polymer AC is based on the optimization technique that considers atmospheric and oceanic signals to retrieves the
Polymer AC is based on an optimization technique that considers atmospheric and oceanic signals to retrieve
normalized spectral reflectance above water. For details regarding the Polymer algorithm,
users are referred to `Steinmetz F, Deschamps P-Y, Ramon R., Opt. Express. 2011; 19`__.
......
......@@ -77,13 +77,13 @@ you through the process.
.. note::
For atmospheric correction of water surfaces, also in combination with land (SICOR_),
the additional package Polymer_ is required.
The Polymer software is free for non-commercial use and
should be installed separately, as in `ACwater Polymer installation`_.
For atmospheric correction of water surfaces using the Polymer algorithm instead of SICOR_ (which is mainly
designed for land surfaces), the additional package polymer_ is required. The Polymer software is free for
non-commercial use and should be installed separately, as described in the
`ACwater Polymer installation instructions`_.
.. _`ACwater Polymer installation`: https://gitlab.awi.de/phytooptics/acwater/-/blob/master/docs/installation.rst
.. _`Polymer`: https://forum.hygeos.com
.. _`ACwater Polymer installation instructions`: https://gitlab.awi.de/phytooptics/acwater/-/blob/master/docs/installation.rst
.. _`polymer`: https://forum.hygeos.com
.. _SICOR: https://git.gfz-potsdam.de/EnMAP/sicor
.. _pip: https://pip.pypa.io
......
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