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1304 Chapter 15: Lights and Cameras
2.
Choose Photometric from the drop-down list.
(The default is Standard.)
3. IntheObjectTyperollout,clickTargetPoint.
4. Drag in a viewport. The initial point of the
drag is the location of the light, and the point
whereyoureleasethemouseisthelocationof
the target.
The light is now part of the scene.
5. Set the creat ion parameters.
You c an use the Move tr ansform to adjust the
light.
To select the target:
The target, displayed as a small square, is often
inthesameareaasobjectsthatyouwantto
illuminate. It can be difficult to select it by clicking.
1. First select the target point light.
2. Right-click the light and choose Select Target
from the quad menu (page 3–694).
You can also choose Lights from the Selection
Filters list on the toolbar, and then click the
target. Clicking the line that connects the light
and its target selects b ot h objects.
To adjust the light and target:
1.
Select the light or target or both.
2. On the Main toolbar, click Move. Drag
the selection to adjust the light.
Becausethelightisalwaysaimedatitstarget,
you can’t rotate it about its local X or Y axes.
However, you can select and move the target
object as well as the light itself. When you
move either the l ight or the target, the light’s
orientation changes so it always points at the
target.
Yo u c a n u s e t h e Place Highlight (page 1–467)
command to change a light’s position.
For target poin t lights with spotlight
distributions, you can also adjust t he lig ht using
a Light viewport (page 3–750).
To change a v iewport to a light view:
Note:
The viewport can only be set to a light
view when the target point light’s distribution is
spotlight.
1. Rig ht-click the viewport label.
The viewport right-click menu is displayed.
2. Cho ose Views.
ThenameofeachlightisdisplayedintheViews
list. By default, Target Point lights are named
Point01, Point02, and so on.
3. Choosethenameofthelightyouwant.
The viewport now shows the light’s point of
view. You can use the Lightviewport(page
3–750) controls to adjust the light.
Tip: The default keyboard shortcut for Light
view por ts is $.
Free Point Light (Photometr ic)
Create panel > Lights > Photometric Lig hts > Free Point
button
Create menu > Lights > Free Point Light
A Fre e Point light, like a standard omni light,
emits light from a geometric point. You can set
thelightdistribution;thislighthasthreetypesof
distribution, with corresponding icons. A free
point lig ht has no target object. You use transforms
to aim the light.
Icons for Free Point light with isotropic, spotlight and web
distribution