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Home: AutoCAD 2010 User Documentation
Background Dialog Box
VIEW
Adjust Background Image Dialog Box
Adjust Sun & Sky Background
Dialog Box
Defines
the position, color, and effects of the sun and sky for a view.
Only available in photometric lighting workflow (LIGHTINGUNITS =
1 or 2).
Preview
Displays the results
of the current sun and sky settings for the current view.
General
Sets the general properties
of the sun.
- Status
-
Turns the sun on and
off. If lighting is not enabled in the drawing, this setting has
no effect.
- Intensity Factor
-
Sets the intensity or
brightness of the sun. The range is from 0 (no light) to maximum.
The higher the number, the brighter the light.
- Color
-
Controls the color of
the light. Enter a color name or number or click Select Color to
open the
Select
Color dialog box.
- Shadows
-
Turns display and calculation
of shadows for the sun on and off. Turning shadows off increases performance.
Sky Properties
The sky general properties
are as follows:
- Status
-
Determines if the sky
illumination is computed at render time. This has no impact on the viewport
illumination or the background. It simply makes the sky available
as a gathered light source for rendering. This does not control the
background. Values are Sky Off, Sky Background, Sky Background and
Illumination. [Sky Off] is default.
- Intensity Factor
-
Provides a way to magnify
the effect of the skylight. Values are 0.0-MAX. [1.0] is default.
- Haze
-
Determines the magnitude
of scattering effects in the atmosphere. Values are 0.0-15.0. [0.0]
is default.
Horizon
This category of properties
pertains to the appearance and location of the ground plane.
- Height
-
Determines the absolute
position of the ground plane relative to world zero. This parameter represents
a world-space length and should be formatted in the current length
unit. Values are +-MAX. [0.0] is default.
- Blur
-
Determines the amount
of blurring between ground plane and sky. Values are 0-10. [.1]
is default.
- Ground color
-
Determines the color
of the ground plane. Select a color from the drop-down list or select
the
Select
Color dialog box to make a color choice.
Advanced
This category of properties
pertains to various artistic effects.
- Night Color
-
Specifies the color of
the night sky. Select a color from the drop-down list or select
the
Select
Color dialog box to make a color choice.
- Aerial Perspective
-
Specifies if aerial perspective
is applied. Values are On/Off. [Off] is default.
- Visibility Distance
-
Specifies the distance
at which 10% haze occlusion results. Values are 0.0-MAX. [10000.0] is
default.
Sun Disk Appearance
This category of properties
pertains to the background only. They control the appearance of
the sun disk.
- Disk Scale
-
Specifies the scale of
the sun disk (1.0 = correct size).
- Glow Intensity
-
Specifies the intensity
of the sun glow. Values are 0.0-25.0. [1.0] is default.
- Disk Intensity
-
Specifies the intensity
of the sun disk. Values are 0.0-25.0. [1.0] is default.
Sun Angle Calculator
Sets the angle of the
sun.
- Date
-
Displays the current
date setting.
- Time
-
Displays the current
time setting.
- Daylight Saving
-
Displays the current
setting for daylight saving time.
- Azimuth
-
Displays the azimuth,
the angle of the sun along the horizon clockwise from due north.
This setting is read-only.
- Altitude
-
Displays the altitude,
the angle of the sun vertically from the horizon. The maximum is
90 degrees, or directly overhead. This setting is read-only.
- Source Vector
-
Displays the coordinates
of the source vector, the direction of the sun. This setting is
read-only.
Rendered Shadow Details
Specifies the properties
of the shadows.
- Type
-
Displays the setting
for shadow type. This setting is soft (area) only in photometric workflow.
This setting is read-only when display of shadows is turned off
- Samples
-
Specifies the number
of samples to take on the solar disk. Values are 0-1000. [8] is
default. This setting is read-only when display of shadows is turned
off.
- Softness
-
Displays the setting
for the appearance of the edges of shadows. This setting is read-only
when display of shadows is turned off.
Geographic Location
Displays the current
geographic location settings. This information is read-only. When
a city is not stored with latitude and longitude, the city does
not appear in the list.
Use the Edit Geographic
Location button to open the
Geographic
Location dialog box.
Ribbon: View tab
View
panel
Command entry: view
