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Free Area Light (Photometric) 1309
Free Ar ea Light (Photomet r ic)
Create panel > Lights > Photometric Lights > Free Area
button
Create m enu > Photometric Lights > Free Area Light
A Free Area light emits light from a rectangular
area, like a skylig ht. You can set the light
distribution;thislighthastwotypesof
distribution, with corresponding icons. A free area
light has no t a rget object. You u s e transforms to
aim the light.
Icons for Free Area light with diffuse and web distribution
See also
Lights (page 2–1272)
Diffuse Distributio n (Photometric Lights) (page
2–1323)
Web Distribution (Photometric Lights) (page
2–1325)
Name and Color Rollout (Lights) (page 2–1273)
General Lighting Parameters (page 2–1331)
Intensity/Color/D i stribution Rollout (page 2–1352)
Shadow Parameters (page 2–1337)
Advanced Effects Rollout (page 2–1341)
Procedures
To create a Free Area light:
1.
OntheCreatepanel,clickLights.
2. Choose Photometric from the drop-down list.
(Standard is the default.)
3. In the Object Type rollout, click Free Area.
4. Click the viewport location where you want the
light to be.
The lig ht is now part of the scene. It points away
from you in the viewport you clicked.
5. Set the creation parameters.
Yo u c a n position the light (page 2–1282) and
adjust its direction with the transform tools.
You can also adjust the lig ht’s position with the
Place Highlight (page 1–467) command.
To adjust the light:
1.
Select the lig ht.
2. On the Main toolbar, click Rotate. Drag
the selection to adjust the light.
Tip: You can also adjust the lig ht’s position w ith
the Place Highlight (page 1 –467) command.
IE S S un Li ght (Photometr i c)
Create panel > Systems > Create a Daylight system in
your s cene. > Modify
panel > Daylight Parameters rollout
>Sunlight>ChooseIESSun.
Create panel > Lights > Photom etr ic > IES Sun
Create menu > Lights > Photometric > IES Sun
IES Sun is a physically-based lig ht object that
simulates sunlight
(page 3–1018).Whenused
in conjunction with a daylight system (page
1–418), its values are set automatically based on
geographic locati
on, time, and date. (IES stands