4
For Emit from Shape, select the shape of the light to emit from the light source: Point, Line,
Rectangle, or Circle.
5
For Light distribution, select the pattern of light distribution for the light source: Spherical,
HemiSpherical, Spot, or Photometric Web.
TIP
If you plan to specify an IES file to define the photometric shape of the light source, click
Photometric Web. See
Specifying an IES File for a Light Source
on page 1114.
The middle image changes to illustrate the combined settings. These settings determine the
parameters that are available for the light source. See
Defining Parameters for Lighting Fixtures
and Light Sources
on page 1118.
6
Click OK.
The outline shape for the light source may change in the drawing area, depending on the selected
light source definition settings.
7
Save changes to the lighting fixture family.
Defining Parameters for Lighting Fixtures and Light Sources
The parameters that you can define for a lighting fixture and its light source vary, depending on the light
source definition settings that you specify. (See
Defining the Geometry of a Light Source
on page 1117.)
NOTE
In addition to defining these parameters for a lighting fixture family in the Family Editor, you can also
change many of them for an instance or type of lighting fixture in a project. See
Changing a Lighting Fixture in
a Building Model
on page 1129.
To define parameters for a lighting fixture and its light source
1
Create a lighting fixture family, or open a lighting fixture family for editing.
See
Creating a Lighting Fixture with One Light Source
on page 1105 or
Modifying a Lighting
Fixture Family
on page 1115.
2
On the Design Bar, click Family Types.
3
For Name, select the family type to modify.
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