Obsolete. Controls the contrast level of the viewport when using photometric lighting.
| Type: | Real |
| Saved in: | Drawing |
| Initial value: | 50.0 |
Controls the contrast level of the viewport when photometric lighting is enabled (LIGHTINGUNITS system variable is set to 1 or 2). Valid values range from 0.0 to 100.0. The contrast level in standard lighting can be controlled by the LINEARCONTRAST systems variable.