
Description
Parameter
This value shows the percentage of lumens that reach the work plane
after light is lost due to the fixture’s efficiency at transmitting light,
the room proportions, and the ability of room surfaces to reflect light.
If you select Calculate Coefficient of Utilization (default), this parameter
is read-only. If you clear Calculate Coefficient of Utilization (default),
you can enter a value between 0 and 1, or enter a formula.
In a family, this parameter defines the default value for the lighting
fixture. In a project, you can change the default in instance properties.
Electrical - Loads
A value used by Revit MEP to define the real and reactive power used
by a fixture. To determine Apparent Load, multiply the apparent cur-
rent by the voltage. This parameter is measured in volt amps (VA).
Apparent Load
Dimensions
: These parameters do not affect rendered images.
The size of the symbol that represents the light source in 2D and 3D
views, extending from the boundary of the Emit from Shape outwards.
Light Source Symbol Size
For example, suppose you define a light source with an Emit from
Shape of circle and an Emit from Circle Diameter of 500 mm. If you
specify a Light Source Symbol Size of 200 mm, in a 2D view, Revit
Architecture shows a light source symbol that is 900 mm in diameter
(200+500+200). This parameter is available when the Emit from Shape
setting is Circle or Rectangle. (See
Defining the Geometry of a Light
on page 1180.) This parameter does not affect the light in a
rendered image.
The length of the symbol that represents a spotlight in 2D and 3D
views, extending from the spotlight outwards. This parameter is
Light Source Symbol Length
available when the light distribution setting is Spot. (See
on page 1180.) This parameter does not
affect the light in a rendered image.
Spotlights with different
light source symbol
lengths (plan view)
Identity Data
Keynote for the lighting fixture. Enter text or click
to select a
on page 1117.
Keynote
Creating and Modifying Lighting Fixtures | 1183
Summary of Contents for 256B1-05A761-1301 - AutoCAD Revit Structure Suite 2010
Page 1: ...Revit Architecture 2010 User s Guide March 2009 ...
Page 4: ......
Page 42: ...xlii ...
Page 84: ...42 ...
Page 126: ...84 ...
Page 166: ...124 ...
Page 229: ...Schedule Field Formatting Calculating Totals Specifying Schedule Properties 187 ...
Page 230: ...Schedule with Grid Lines Schedule with Grid Lines and an Outline 188 Chapter 5 Project Views ...
Page 304: ...262 ...
Page 427: ...Defining the first scale vector Defining the second scale vector Resizing Graphically 385 ...
Page 454: ...Before painting applying material to stairs 412 Chapter 8 Editing Elements ...
Page 456: ...414 ...
Page 486: ...444 ...
Page 674: ...632 ...
Page 809: ...Curtain wall Curtain Grid Curtain Walls Curtain Grids and Mullions 767 ...
Page 994: ...952 ...
Page 1016: ...974 ...
Page 1204: ...1162 ...
Page 1290: ...1248 ...
Page 1318: ...1276 ...
Page 1372: ...1330 ...
Page 1382: ...1340 ...
Page 1462: ...1420 ...
Page 1492: ...1450 ...