Copyright Goodheart-Willcox Co., Inc. Chapter 16 Visual Style Settings and Basic Rendering 427 The Lighting quality property controls the VSLIGHTINGQUALITY system variable. This property determines whether curved surfaces are displayed smooth or as a series of fl at faces. Lighting quality is unavailable if the Face style property is set to None. The Color property controls the VSFACECOLORMODE system variable. This prop- erty determines how color is applied to the faces of an object. The effects can be tempo- rarily applied by picking a button in the face colors fl yout in the Visual Styles panel on the Visualize tab of the ribbon. The choices are: • Normal. The object color is applied to faces. • Monochrome. One color is applied to all faces. This also displays and enables the Monochrome color property. • Tint. A combination of the object color and a specifi ed color is applied to faces. This also displays and enables the Tint color property. • Desaturate. The object color is applied to faces, but the saturation of the color is reduced by 30%. The Monochrome color and Tint color properties control the VSMONOCOLOR system variable. This system variable determines the color that is applied when the face Color property is set to Monochrome or Tint. The Opacity property controls the VSFACEOPACITY system variable. This property determines how transparent or opaque faces are in the viewport. The value can range from –100 to 100. When the setting is 1, the faces are completely transparent. When the setting is 100, the faces are completely opaque. Settings below 0 set the value, but turn off the effect. To quickly turn the effect on or off, pick the Opacity button on the Face Settings category title bar. See Figure 16-10. This changes the value from negative to positive, or vice versa. This property cannot be changed if the Face style property is set to None. Opacity may also be controlled by picking the X-Ray Effect button in the Visual Styles panel on the Visualize tab of the ribbon. The adjacent Opacity slider sets the value. However, remember, picking a button or making settings on the ribbon is only temporary. The change is not saved to the visual style. The Material display property controls the VSMATERIALMODE system variable. When set to Off, objects display in their assigned color. When the setting is changed to Materials, the objects display the color of the material, but not the textures. When the setting is changed to Materials and textures, full materials are displayed. CAUTION CAUTION Displaying materials and textures on 3D objects in a complex drawing will slow system performance. Set the Material display property to Materials and textures only when it is absolutely necessary. VSFACECOLORMODE Ribbon Visualize Visual Styles Normal Monochrome Tint Desaturate Type VSFACECOLOR- MODE Highlight intensity button Opacity button Figure 16-10. Picking the Opacity button on the Face Settings category title bar turns the effect of opacity on or off.