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ACwater Polymer

Atmospheric correction of EnMAP hyperspectral data for water surfaces

ACwater implements a class to load an EnMAP object and execute Polymer atmospheric correction for water surfaces. ACwater requires EnPT for the EnMAP data processing and Polymer for the atmospheric correction algorithm.

Operating system for installation is Linux, tested on Debian GNU/Linux 9.9 (stretch) - Linux 4.9.0-9-amd64 x86_64.

Requirements are EnPT and Polymer.

Installation of EnPT follows EnPT instructions.

Installation

The instructions involve cloning the package and installing its dependencies using a Python package manager. Note that both ACwater and Polymer must be installed with EnPT in the same environment.

How to use command line

First, download an EnMAP Level 1B image from https://eoweb.dlr.de/egp/.

Please refer to the list of arguments that can be used in EnPT, which is available at https://enmap.git-pages.gfz-potsdam.de/GFZ_Tools_EnMAP_BOX/EnPT/doc/usage.html.

Here is an example of what the command might look like: enpt –CPUs 4 –auto_download_ecmwf True –average_elevation 0 –blocksize 100 –deadpix_P_algorithm spectral –deadpix_P_interp_spatial linear –deadpix_P_interp_spectral linear –disable_progress_bars True –drop_bad_bands True –enable_ac True –mode_ac water –polymer_additional_results True –ortho_resampAlg gauss –output_dir /your output dir/ –output_format GTiff –path_l1b_enmap_image /path to your EnMAP L1B zip file/ENMAP01-____L1B-DT0000002037_20220801T105350Z_026_V010111_20230223T123717Z.ZIP –polymer_root /Polymer path/polymer-v4.14 –run_deadpix_P True –scale_factor_boa_ref 10000 –scale_factor_toa_ref 10000 –target_epsg 4326 –threads -3 –vswir_overlap_algorithm vnir_only

Features

  • Level 1 class for connecting EnPT and Polymer.

License

This software is under GNU General Public License v3

Credits

Credits are with Phytooptics Group at AWI. This software was developed within the context of the EnMAP project supported by the DLR Space Administration with funds of the German Federal Ministry of Economic Affairs and Energy (on the basis of a decision by the German Bundestag: 50 EE 1923 and 50 EE 1915) and contributions from GFZ and Hygeos.

This package was created with Cookiecutter and the audreyr project template.

History

0.1.0 (2020-04-23) 0.2.6 (2021-05-04) 0.3.0 (2023-02-10) ——————

  • Development at AWI, Bremerhaven.

Metadata

Release files for acwater 0.3.2

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Source distribution for acwater 0.3.2
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