The following group codes apply to light entities.
Light group codes
Group code
Description
100
Subclass marker (AcDbLight)
90
Version number
1
Light name
70
Light type:
1 = Distant
2 = Point
3 = Spot
290
Status
291
Plot glyph
40
Intensity
10
Light Position
DXF: X value; APP: 3D point
20, 30
DXF: X, Y, and Z values of the light position
11
Target location
21, 31
DXF: X, Y, and Z values of the target location
72
Attenuation type:
0 = None
1 = Inverse Linear
2 = Inverse Square
292
Use attenuation limits
41
Attenuation start limit
42
Attenuation end limit
50
Hotspot angle
51
Falloff angle
293
Cast shadows
73
Shadow Type
0 = Ray traced shadows
1 = Shadow maps
91
Shadow map size
280
Shadow map softness