Initialize Project =================== Once you've installed the `ccf2d` package, proceed with the following steps to initialize and configure the environment. Download Atlas Data ------------------- Run the init command to download the Allen Brain Atlas reference data and templates. This will create a ``.ccf2d`` directory in your home folder containing the necessary atlas files. .. code-block:: bash ccf2d init .. note:: This command downloads approximately 5GB of atlas data. Ensure you have a stable internet connection and sufficient disk space.