Name
Specifies the name of the image file to use. You can also use Find File to
select a file.
Name
Specifies the image file name to create the raytraced environment.
Select Color
Displays the Select Color Dialog Box. To define the color of the background,
you can select from the 255 AutoCAD Color Index (ACI) colors, true colors,
and color book colors.
Top/Middle/ Bottom
Sets colors. For a solid background, set the Top color; the others are not
available. For a two-color gradient, set the Top and Bottom colors and set
Height to 0. For a three-color gradient, set the Top, Middle, and Bottom
colors. All three colors are available (by clicking the corresponding color
tiles) when you select Gradient. None of the colors is available when you
select Image. Only Top is available when you select Solid.
Use Background
Specifies that the selected objects in the current drawing reflect the
background you specify. If you use an image file, the objects reflect that
image rather than the background image. You can use the following file
types for environment images: BMP, JPG, PCX, TGA, and TIFF.
The program maps the environment onto a sphere surrounding the scene,
and the Photo Raytrace renderer uses it in addition to the geometry to
determine reflections and refraction.
Preview
Displays a preview of the current Background settings.
Image
Specifies the image file name.
Environment
Defines an environment in which you can create additional reflection and
refraction effects on objects with reflective, raytraced materials. With the
Photo Real renderer, the result is a mirrored effect; with the Photo Raytrace
renderer, the result is a raytraced environment.
Background Dialog Box | 111
Summary of Contents for AUTOCAD 2006
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