2012

Table Of Contents
List of Prompts
The following prompts are displayed.
Specify source location <0,0,0>: Enter coordinate values or use the pointing device
If the LIGHTINGUNITS system variable is set to 0, the following prompt is
displayed:
Enter an option to change [Name on page 1530/Intensity on page 1530/Status on
page 1530/
shadoW on page 1531/Attenuation on page 1532/Color on page 1533/eXit
on page 1533] <eXit>:
If the LIGHTINGUNITS system variable is set to 1 or 2, the following prompt
is displayed:
Enter an option to change [
Name on page 1530/Intensity factor on page 1530/Status
on page 1530/Photometry/shadoW on page 1531/Attenuation on page
1532/
filterColor on page 1533/eXit on page 1533] <eXit>:
NOTE When the LIGHTINGUNITS system variable is set to 1 or 2, the Attenuation
option has no affect on the creation of the light. It is only maintained for scripting
compatibility.
Name
Specifies the name of the light. You can use uppercase and lowercase letters,
numbers, spaces, hyphens (-), and underscores (_) in the name. The maximum
length is 256 characters.
Enter light name:
Intensity/Intensity Factor
Sets the intensity or brightness of the light. The range is 0.00 to the maximum
value that is supported by your system.
Enter intensity (0.00-max float) <1.0000>:
Status
Turns the light on and off. If lighting is not enabled in the drawing, this setting
has no effect
Enter status [oN/oFf] <On>:
Photometry
Photometry is available when the LIGHTINGUNITS system variable is set to
1 or 2. Photometry is the measurement of the luminous intensities of visible
light sources.
In photometry, luminous intensity is a measure of the perceived power emitted
by a light source in a particular direction. Luminous flux is the perceived
1530 | Chapter 16 P Commands