2011

Table Of Contents
in the rendered scene. You can dramatically change the nature and mood of
your compositions by modifying lights and their properties.
NOTE You can animate lighting parameters using keyframes and by applying
expressionssee
Animation on page 659 and Expressions on page 719.
Adding Lights to a Scene
You can add one or more lights to your scene and set their properties to achieve
a variety of lighting effects. There are two ways to add lights to a scene: the
Lights tab in the Reaction node or the Tools tab.
When you add a light to Reaction, you must be in the Reaction Group
Schematic to view the light(s) in your scene. The light you add is positioned
at 0, 0, 0, so you may need to zoom out to view the light icon.
You can also set the light type and parameters, as well as parent a light to an
axis, and animate its properties.
NOTE The light icon is visible only if you have selected Icons in the Render tab of
Reaction.
To add a light from the Lights tab:
1 Select the Lights tab.
2 Under the Light list, click Add.
A light is added to the Group Schematic and the Lights list.
3 To view the light, double-click the Reaction node in the Schematic view.
The Group Schematic appears.
To add a light from the Tools tab:
1 Do one of the following to display the Group Schematic:
Double-click the Reaction node in the Schematic view.
Right-click the Reaction node and select Edit Group.
2 From the Tools tab, select the Light tool from the Reaction folder and
drag it to Schematic.
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