Determines if the sky illumination is computed at render time.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 0 | 
This has no impact on the viewport illumination or the background. It only makes the sky available as a gathered light source for rendering.
| Value | Description | |
|---|---|---|
| 0 | Sky off | Find | 
| 1 | Sky background | Find | 
| 2 | Sky background and illumination | Find |