Graphics Programs Reference
In-Depth Information
•
Attenuation
: With generic lighting, this option allows us to define atten-
uation with distance for the light. The
attenuation Type
option controls
if there is no attenuation (
None
), if it's linear (
Inverse linear
), or if it's
quadratic (
Inverse Squared
). With
Use limits
, we define two distances
for starting and for ending. With photometric lighting, attenuation is set to
Inverse Squared
and cannot be modified.
•
filterColor
: This controls light color, allowing us to choose between a true
color (red, green, blue values separated by commas), an AutoCAD color,
or a color topic.
Note
To move point lights, we can move its glyph. If we want to control its position or
any other parameter, the best way is to apply the
PROPERTIES
command.
The
PROPERTIES
command also allows us to change the type of light.
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