2009

Interface
mr Skylight Portal Parameters rollout
On Toggles the illumination from the portal. When off, the portal has no
effect on scene lighting.
Multiplier Amplifies the power of the light. For example, if you set the value
to 2.0, the light will be twice as bright.
Filter Color Tints the coloring coming in from the outside.
Dimensions Set the Length and Width using these controls.
TIP To change the arrow size, use the Preferences > Viewports panel > Viewport
Parameters group
on page 7755 > Non-Scaling Object Size setting.
Flip Light Flux Direction Determines the direction in which light flows
through the portal. The arrow must point toward the interior for the portal
to cast light from the sky or environment. If it points outside, toggle this
setting.
Shadows
On Toggles shadow casting by the light from the portal.
By default, the portal casts shadows only from objects inside the portal; that
is, on the arrow side.
5192 | Chapter 18 Lights and Cameras