********************************* Data Source server authentication ********************************* ----- ECMWF ----- 1 - to be able to use earth2observe to download ECMWF data you need to register and setup your account in the ECMWF website (https://apps.ecmwf.int/registration/) 2 - Install ECMWF key (instruction are here https://confluence.ecmwf.int/display/WEBAPI/Access+ECMWF+Public+Datasets#AccessECMWFPublicDatasets-key) (https://confluence.ecmwf.int/display/WEBAPI/Install+ECMWF+API+Key) (to get youe API key https://api.ecmwf.int/v1/key/) .. image:: images/ecmwf_key.png :width: 300pt :align: center - Copy/paste the key into a text file and save it to your $HOME directory as .ecmwfapirc (If you use Windows, you have to put the file in C:\Users\\.ecmwfapirc 3- add environment variables in your command prompt type the following lines and press enter .. code-block:: shell export ECMWF_API_URL="https://api.ecmwf.int/v1" export ECMWF_API_KEY="************" export ECMWF_API_EMAIL="" ------ CHIRPS ------ - CHIRPS data source provides the data through a FTP server that is public and does not need and kind of registration --------- Amazon-S3 --------- - The era5_bucket provides the data publically and does not require registering in amazon aws to download the data.