Portal Sky List
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This is a list of skies available in the Steam caches, along with pictures of each skybox. The light_environment settings listed (Ideal Sun Angle, Ideal Brightness, etc) are suggestions based on settings used in official maps; other values may also be appropriate. To test skies in singleplayer without recompiling the map, bring up the console and enter sv_skyname <sky_name>. Quicksave the game, load it again and the old skybox should be temporarily replaced with the new one.
|Skies and environment maps||Skybox (2D) • Skybox (3D) • HDR Skies • Skybox with Terragen • Skybox with Terragen - Advanced • List of skies|
|Terrain and displacement mapping||Displacements • Holes in displacements • Digital Elevation Models|