Installation

Stable release

To install lightcone, run this command in your terminal:

$ pip install lightcone

This is the preferred method to install lightcone, as it will always install the most recent stable release.

If you don’t have pip installed, this Python installation guide can guide you through the process.

From sources

The sources for lightcone can be downloaded from the Github repo.

You can either clone the public repository:

$ git clone git://github.com/sibirrer/lightcone

Or download the tarball:

$ curl -OJL https://github.com/sibirrer/lightcone/tarball/master

Once you have a copy of the source, you can install it with:

$ python setup.py install

FFMPEG

FFMPEG installation is required to create MP4 files of the animated lightcurves.

After downloading, make sure you include the FFMPEG binary directory (e.g. C:\users\user\ffmpeg\bin) to your PATH.

On Windows you can edit your environment variables and edit your Path to add to it. You may want to restart your PC after doing so too.

Paltas

To install Paltas, run this command in your terminal:

$ pip install paltas

Lightcone currently uses Paltas version 0.1.1.

If using Paltas with Lightcone, the following catalog should be downloaded:

After downloading and unzipping the catalog, make sure you go into the config file (e.g. test_config.py) and assign the cosmos_folder variable to the path name of where you unzipped the catalog.