2013

Toolbar: Modeling tool set  Lights tool group (expanded)  Weblight
List of Prompts
The following prompts are displayed.
Specify source location <0,0,0>: Enter coordinate values or use the
pointing device
Specify target location <1,1,1>: Enter coordinate values or use the
pointing device
Enter an option to change [Name (page 1165)/Intensity factor
(page 1165)/Status (page 1165)/Photometry (page 1165)/weB (page
1166)/
shadoW (page 1166)/filterColor (page 1167)/eXit (page 1167)]
<eXit>:
NOTE The LIGHTINGUNITS system variable must be set to a value other than 0
to create and use weblights.
Name
Specifies the name of the light.
Intensity Factor
Sets the intensity or brightness of the light.
Status
Turns the light on and off. If lighting is not enabled in the drawing, this setting
has no effect.
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
power in per unit of solid angle. The total luminous flux for a lamp is the
perceived power emitted in all directions. Luminance is the total luminous
flux incident on a surface, per unit area.
Intensity Enter an intensity value in candelas, the perceived power in a
luminous flux value, or illuminance value for the total luminous flux incident
on a surface.
 Candela (symbol: cd) is the SI unit of luminous intensity (perceived power
emitted by a light source in a particular direction). Cd/Sr
 Lux (symbol: lx) is the SI unit of illuminance. Lm/m^2
W Commands | 1165