The public repository for the Third Gravitational Lensing Accuracy Testing Challenge (GREAT3). For a full description of the contents of great3-public, please go into each sub-directory and take a look at the README.md file.

great3-public includes:

• The code used to generate the GREAT3 challenge data (in great3sims/)

• The scripts used to generate and explore the inputs to the GREAT3 simulation code (in inputs/)

• The metric evaluation code, and scripts used to simulate the performace of a variety of metrics (in metrics/)

• The example data processing scripts that were public throughout the challenge (in example_scripts/)

• The code provided to assist in generating and checking submissions (in presubmission_script)

Please also see the wiki for more information, an FAQ, and links to downloads for supporting data.