8

General Lighting Parameters 1175
Clas s .
Watts Ty pe
Intensity
Beam
Fie l d
Wide
Beam
300
Spot
10000 30 60
Wide
Beam
500
Spot
18000 30 60
Par3 8 Li ne Volt a ge L a mps
Clas s .
Watts Type
Intensity
Beam
Fie l d
Narrow
Beam
45
Spot
4700 14 28
Narrow
Beam
75
Spot
5200 12 25
Narrow
Beam
150
Spot
10500 14 28
Medium
Beam
45
Spot
1700 28 60
Medium
Beam
75
Spot
1860 30 60
Medium
Beam
150
Spot
4000 30 60
R40 Line Voltage Lamps
Clas s .
Watts Type
Intensity
Beam
Fie l d
Narrow
Beam
150
Spot
5400 22 50
Wide
Beam
150
Spot
1040 76 130
Wide
Beam
300
Spot
1950 76 130
Common Lighting Rollouts
General Lighting Parameters
Create panel > Lights > Create a light. > General
Parameters ro llout
Create menu > Photometric Lights > Create a light. >
Modify panel > General Parameters rollout.
The Gener al Parameters rollout is displayed for all
types of lights. These controls turn a light on and
off,andexcludeorincludeobjectsinthescene.
On the Modify panel, the General Parameters
rollout also lets you control the light’s target object
and change the light from one type to another.
Shadow Types
The General Parameters rollout also lets you turn
shadow-casting on or off for the light, and choose
which typ e of shadow the light uses.
Thefollowingtabledescribestheadvantagesand
disadvantages of each shadow type:
Shadow Type Advantages Disadvantages
Advanced
Ray-Traced
Supports
transparency and
opacity mapping.
Uses less RAM
than standard
ray-traced
shadows.
Recommended for
complex scenes
with many lights
or faces.
Slower than
shadow maps.
Does not suppor t
soft shadows.
Processes at ever y
frame.