2012

Table Of Contents
The following types are available: Soft (shadow) map, Sharp (default), Soft
(sampled). By selecting the Soft (sampled) option, the Shape property becomes
available.
The available shapes depend on the type of light. You can select the Type
property for the light distribution under the General panel in the Lighting
category. If Spotlight and Soft (sampled) are selected, then the Shape types
available are Rectangular and Disk. If Point and Soft (sampled) are selected,
then the following shapes are available: Linear, Rectangular, Disk, Cylinder,
and Sphere. If Web and Soft (sampled) are selected, then the following shapes
are available: Linear, Rectangular, Disk, Cylinder, and Sphere. You can use the
samples property on the area light to control the trade-off between rendering
time and shadow accuracy.
The Visible Render property found under the Rendered Shadows Details panel
controls the visibility of the shape when the scene is rendered.
The Visible in Render option is also displayed under ShadowDetail and controls
the visibility of the shape when the scene is rendered.
To create a point light in photometric workflow and assign a rectangular
shape to the light
1 At the command prompt, enter lightingunits and set the value to 1
(American units) or 2 (International SI units) for photometric lighting.
2 Click Render tab Lights panel Create Light drop-down Point.
3 Click in the drawing to specify a location for the light.
4 At the Command prompt, enter n and enter a name. This name will
appear in the properties and in the Lights in Model window (LIGHTLIST).
You can continue to specify properties by entering options, or you can
exit and set properties interactively. When you use the interactive method,
you can see the results of your changes as you work.
5 Press Enter twice to exit the command.
Select the light and use grip tools to change the light.
6 In the drawing, right-click the light and click Properties. Use the Lighting
Properties palette to change its properties.
7 On the Lighting Properties palette, under the General panel, verify that
the distribution type for the light is Point.
Assigning a Shape to a Light | 2179