Lights are defined by their beam and glow. You can edit the properties before you draw or after the component has been added to your design by selecting it and clicking the Properties tab. Changes to light settings are visible in the 3D view.
Light On checkbox controls the visibility of the beam dispersed by the light fixture. When selected, the beam displayed in the 3D view; when deselected the beam is not visible.
Light On Enabled Light On Disabled
Displays Glow Effect checkbox controls the glow at the light source. When selected, the glow is visible at the light source; when deselected the glow is not visible. When the glow is enabled, you can edit the Dimmer, Radius, and Falloff settings.
Glow Effect Enabled Glow Effect Disabled
Emits Ambient Light checkbox controls the visibility of ambient light in the room.
When selected, ambient light is displayed in the 3D view; when deselected ambient light is not visible.
Ambient Light Enabled Ambient Light Disabled
Dimmer slider controls the brightness of the beam. Drag the slider to decrease or increase the brightness.
Radius slider controls the size of the beam. Drag the slider to decrease or increase the radius size.
Radius = 5 Radius= 30
Falloff slider controls the how diffused the edges of the beam are displayed. Drag the slider to decrease or increase the amount of diffusion. The lower the falloff the sharper the edges; the higher the falloff the more diffused the edges.
Falloff = 0 Falloff = 4