Sen2Cor Configuration

Sen2Cor Configuration#

Note

If you want to process products from 2017 and before, you need to install previous versions of Sen2Cor and follow the guidelines here.

This section focuses on Sen2Cor 2.12 configuration.

  1. To configure sen2cor, you must first download the context data used for certain Sentinel-2 pre-processing steps here ESACCI-LC package for SC module

  2. Then, move or create symlink to Sen2Cor directory:

~$ ln -s /path/to/ESACCI-LC-L4-ALL-FOR-SEN2COR-2.10/ESACCI-LC-L4-LCCS-Map-300m-P1Y-2015-v2.0.7.tif /path/to/Sen2Cor-02.12.03-Linux64/lib/python2.7/site-packages/sen2cor/aux_data/
~$ ln -s /path/to/ESACCI-LC-L4-ALL-FOR-SEN2COR-2.10/ESACCI-LC-L4-WB-Map-150m-P13Y-2000-v4.0.tif /path/to/Sen2Cor-02.12.03-Linux64/lib/python2.7/site-packages/sen2cor/aux_data/
~$ ln -s /path/to/ESACCI-LC-L4-ALL-FOR-SEN2COR-2.10/ESACCI-LC-L4-Snow-Cond-500m-MONTHLY-2000-2012-v2.4 /path/to/Sen2Cor-02.12.03-Linux64/lib/python2.7/site-packages/sen2cor/aux_data/

  1. Create or symlink DEM directory

~$ ln -s /path/to/dem ~/sen2cor/2.12/dem

  1. Update Sen2Cor configuration file nano ~/sen2cor/2.11/cfg/L2A_GIPP.xml

<DEM_Directory>dem/srtm</DEM_Directory>
<DEM_Reference>http://srtm.csi.cgiar.org/wp-content/uploads/files/srtm_5x5/TIFF/</DEM_Reference>
<DEM_Terrain_Correction>FALSE</DEM_Terrain_Correction>  # If you don't want DEM terrain correction

  1. Update Sen2Chain config file nano ~/sen2chain_data/config/config.cfg

~$ sen2cor_bashrc_paths = /path/to/Sen2Cor-02.12.03-Linux64/L2A_Bashrc

  1. Then update Sen2Chain by using any method :

>>> from sen2chain import Tile
>>> Tile('40KCB').info