Autodesk LIGHTSCAPE, Manual

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Creating and Editing Photometric Webs
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either positive or negative, so less light is cast later-
ally from the light source.
Example 3: Complex Distribution
You can use the photometric web to create very
complex light distributions, including ones that are
unlikely to be used in reality, as shown in the
following illustration.
Creating and Editing
Photometric Webs
Use the Photometric Web editor to customize
photometric webs that you can associate with the
luminaires in your model. You can create photo-
metric webs or modify existing ones.
Using the Photometric Web Editor
You can use the Photometric Web editor to create a
photometric web by adding and then editing control
points and their associated distribution curves. Use
the Zoom
and Orbit buttons to change
your view of the photometric web.
To display the Photometric Web editor:
Choose Light | Photometric Web.
The Photometric Web editor appears.
The Photometric Web editor contains the following
components:
Mode
Use the Mode list to set the current control point
mode.
Ellipsoidal distribution
Unusual and unlikely distribution
Select: To:
Edit Change the shape of the diagram by
dragging existing points in the web.