You can set the CityEngine preferences by clicking Edit > Preferences in the main menu.
You can set Bookmarks preferences under General > Viewport > Light.
The Light preferences control how objects are lit in the Viewport:
Sun position source | Switches between Time and Month and Direct Solar Entry. For Time and Month to work, the Scene Coordinate System must be set correctly. |
Time | Time of sun position. |
Time Zone | Time zone of sun position. |
Month | Month of sun position. |
Solar elevation angle | Altitude of the sun, the angle between the horizon and the center of the sun's disc. |
Solar azimuth angle | Azimuth angle of the sun. |
Shadow quality | Switches between Low, Medium, High, and Interactive. |
Solar intensity | Scene light intensity. |
Ambient intensity | Scene light ambient intensity. |
Shadow attenuation | Attenuation of shadows (blend to black). |
Ambient occlusion attenuation | Attenuation of screen space ambient occlusion (blend to black). |
Radius mode | Switches between Manual and Interactive. |
Ambient occlusion radius | Radius in meters of screen space ambient occlusion samples. |
Ambient occlusion samples | Number of screen space ambient occlusion samples, or Interactive. |