Controlling the Brightness of a Light Source
In a project, you can change the brightness of a light source using the following methods:
■
Change the Initial Intensity
. For example, if you want to change the bulb in a table lamp from a 60 watt
bulb to a 100 watt bulb, change its Initial Intensity value in the type properties.
■
Change the Light Loss Factor
. To enhance or reduce light output to reflect environmental factors in the
project, change this value in the type properties for the lighting fixture.
■
Dim the light
. Use this method, for example, if you want to represent a ceiling light that is dimmed to
create mood lighting in a rendered image.
Changing the Initial Intensity of a Light Source
When you change the initial intensity of a light source, the change affects all relevant project views.
1
In a project view, select a lighting fixture, and click
(Element Properties).
2
In the Element Properties dialog, click Edit/New.
3
Click Duplicate to create a new type.
4
Enter a name for the type, and click OK.
5
In the Type Properties dialog, for Initial Intensity, click in the Value column.
6
In the Initial Intensity dialog, specify the desired value.
See
Initial Intensity Parameters
on page 1125.
7
Click OK 3 times.
Changing the Light Loss Factor for a Light Source
When you change the Light Loss Factor for a light source, the change affects all relevant project views.
Using Lighting Fixtures in a Building Model | 1133
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