juice-geopipeline 0.4.4

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🪐 geopipeline

JUICE Science Operations Center Geometry Pipeline.

geopipeline is a suite of routines and processes provides: geometrical calculations, science models, science opportunity analysis, high-level operational resources calculations, and ESA validation for external development.

geopipeline is based on heritage from Mars Express and CASSINI (CIRS) routines developed by Nicolas Altobelli (ESAC/ESA).

🛠️️ Prerequisites

• A computer based on a 64-bit Unix operating system: Linux or Mac
• Python 3.8 (or higher)

⎆ Python Installation

Install geopipeline with:

pip install [--upgrade] juice-geopipeline

You can install geopipeline locally from the repository:

git clone https://juigitlab.esac.esa.int/core-system/uplink/geopipeline
cd geopipeline
pip install .

Using the Library

After installing the library can be used with the Python Shell or with its CLI.

Python Shell

A basic test of the library to search for Earth Occultations is provided.

from geopipeline import geometry_finder as gf
from planetary_coverage import TourConfig
logging.basicConfig(level=logging.INFO, format='%(message)s')

tour = TourConfig(
    mk='juice_crema_5_0b23_1',
    spacecraft='JUICE', 
    target='JUPITER',
    download_kernels=True,
    load_kernels=True
)

event = tour.get_event('All mission phases') 
utc_start = str(event.start)
utc_end = str(event.stop)

occdict = gf.jovian_system_occultations(utc_start, utc_end, target='EARTH', system=['RINGS'], step=600, verbose=True)

Command Line Interface

The package has several CLI entry points, classified in General entry points and JUICE SOC internal entry points.

General Entry Points:

• geopipeline-jovian-system-occultations: Finds occultations for a given object (star, Earth, etc.) by the Jovian System.

JUICE SOC internal:

• geopipeline-jupiter-tour-flip-zaxis-windows: Augments the Mission Events file with Tour S/C +Z axis flips.

The API signature can be obtained using the following with any of the entry points:

geopipeline-jovian-system-occultations -h

JUICE SOC Configuration

The Configuration below is only required by certain routines used internally by the JUICE SOC.

Setup Environmental Variables

To setup the required environmental variables. Copy the environmental variables' setup file to your home directory and edit the paths with your favorite editor. For example:

cp <path_to_repo>/env.txt ~/.env
vi ~/.env

The CONF_REPO variable, that points to your local JUICE SOC configuration repository (conf) is mandatory.

🧪 Python Tests

To run the tests, first make sure the src path is in PYTHONPATH. E.g.:

cd tests/geopipeline
export PYTHONPATH=../../

Then run:

python3 -m unittest -v

📄 Documentation

Generate Documentation

Install the documentation generation:

pip3 install sphinx
pip3 install sphinx sphinx_rtd_theme

To build the HTML documentation run from the repository root directory:

sphinx-apidoc -o docs src/geopipeline
cd geopipeline/docs
sphinx-build -b html source build

👉 Note: The above commands demonstrate typical usage with a command-line prompt, such as that provided by the popular bash shell; your own prompt may appear differently and may vary depending on operating system, shell choice, and so forth.

Restructured Text Format

This documentation is generated with Restructured Text Format (RST).

• For full documentation visit RST|Sphinx|Sublime|GitHub
• For a cheatsheet visit RST-cheatsheet