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Web Parameters Rollout 1355
Inter face
Enable Area S ampling—Toggles area sampling.
Default=on.
Num. Sa mples —Thenumberofsamplestousefor
subdivision conversion. Default=16.
Web Parameters Rollout
Create panel > Lights > Photometric Lights > Create
a photometric lig ht. > Intensity/Color/Distribution
Parameters rollout > Choose Web distribution type.
The Web Parameters rollout is displayed on
theModifypanelwhenyoucreateorselect
aphotometriclightwithaweb distribution
(page 2–1325). Use these p arameters to select a
photometric web file and to adjust the orientation
of the web.
3ds Max can use the IES (page 2–1328), CIBSE
(page 3–921),orLTLI (page 3–964) photometric
web formatting.
See also
Target Point Light (Photometric) (page 2–1303)
Free Point Light (Photometric) (page 2–1304)
Target Linear Light (Photometric) (page 2–1305)
Free Linear Light (Photometric) (page 2–1307)
Target Area Light (Photometric) (page 2–1307)
Free Area Light (Photometric) (page 2–1309)
Procedures
To select a photometric web f ile:
1.
On the Web Parameters rollout for a selected
light, click the Web File button.
The Open A Photometric Web dialog is
displayed.
2. Navigate to the location of the file you want to
import. Select the file and click Open.
If you are modifying a light, the light’s icon
is replaced by a wireframe outline of the
photometric web. If you are creating a light, the
photometric web icon appears when you drag
your cursor in the viewport to create the light.
Note: Yo u c a n o b t a i n p h o t o m e t r i c w e b f i l e s
from various lighting manufacturers. You can
use the C ontent Browser to download IES files
or use IES files available in the Lightscape
Libraries provided with Lightscape software.
To change the or ientation of the photometric web:
• UsetherotationspinnerstochangetheX,Y,or
Z rotation or the photometric web.
Note: These parameters cannot be animated.
To change the direction of a light, you can also
use the Rotation transform or for target point
lights, m ove the light’s target p oint.
Tip: To see the shape of t he photometric web,
you can make the light icon larger by increasing
theNonScalingObjectsizeinToolsmenu>
Optionsdialog>Viewportspanel>Viewport
Parameters.
Interfa ce