2009
TIP When you select multiple spotlights, all their manipulators are accessible.
2 On the default main toolbar, click to turn on Select And
Manipulate.
Now when you move the mouse over the beam angle or field angle circle,
the circle turns red to show you can adjust it by dragging. Also, a tooltip
displays the spotlight name, the parameter, and its value.
3 Drag the beam angle or field angle circle to adjust the value.
The beam angle and field angle constrain each other, as their spinner
controls do.
Spotlight manipulators are described at the end of this topic.
Interface
Cone visible in viewport when unselected Turns display of the cone on or
off.
NOTE The cone is always visible when a light is selected, so turning off this check
box has no apparent effect until you deselect the light.
Hotspot/Beam Adjusts the angle of the cone of a light. The Beam value is
measured in degrees. For photometric lights, the Beam angle is the angle at
which the light's intensity has fallen to 50 per cent of its full intensity.
Default=30.0.
Falloff/Field Adjusts the angle of a light's Field. The Field value is measured
in degrees.
For photometric lights, the Field angle is the angle at which the light's intensity
has fallen close to zero. Default=60.0.
5048 | Chapter 18 Lights and Cameras