PET: Python Ensemble Toolbox

PET is a toolbox for ensemble-based Data Assimilation and Optimisation. It is developed and maintained by the eponymous group at NORCE Norwegian Research Centre AS.

Installation

Before installing ensure you have python3 pre-requisites. On a Debian system run:

sudo upt-get update
sudo apt-get install python3
sudo apt-get install python3-pip
sudo apt-get install python3-venv

To install PET, first clone the repo (assuming you have added the SSH key)

git clone [email protected]:Python-Ensemble-Toolbox/PET.git PET

Make sure you have the latest version of pip and setuptools:

python3 -m pip install --upgrade pip setuptools

Optionally (but recommended): Create and activate a virtual environment:

python3 -m venv venv-PET
source venv-PET/bin/activate

Some additional features might be not part of your default installation and need to be set in the Python (virtual) environment manually:

python3 -m pip install wheel
python3 setup.py bdist_wheel

If you do not install PET inside a virtual environment, you may have to include the --user option in the following (to install to your local Python site packages, usually located in ~/.local).

Inside the PET folder, run

python3 -m pip install -e .

• The dot is needed to point to the current directory.
• The -e option installs PET such that changes to it take effect immediately (without re-installation).

Examples

PET needs to be setup with a configuration file. See the example folder for inspiration.the