Advanced topics *************** Below are some chapters which include in-depth information about some of the internal workings of Gaia Sky. Things like the maximum allocated heap memory, the data format or the internal reference system are covered here. .. toctree:: :maxdepth: 3 Internal-reference-system Config-file Config-proxy Performance Graphics-performance Data-format STIL-loader LOD-catalogs Particle-catalogs _generated/Archetypes _generated/Components Star-rendering Extrasolar-system Cubemaps Virtual-textures Mesh-warping