Controls the rendering accuracy of lights and materials.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 1 | 
| Value | Description | 
|---|---|
| 0 | Simplified lighting and material model; fastest and least realistic. Global illumination, reflection, and refraction are turned off. | 
| 1 | Basic lighting and material model; balance between performance and realism. Global illumination is turned on, and reflection and refraction are turned off. | 
| 2 | Advanced lighting and material model; slower and more realistic. Global illumination, reflection, and refraction are turned on. |