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RGB (SGI Image) Files 683
Description—
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RGB (SGI Image) Files
The SGI™ Image File format is a bitmap file type
created by Silicon Graphics®. SGI Image File
support in 3ds Max lets you load and save files
in both 8- and 16-bit color depth, w ith alpha
channels, and RLE Compression.
Inter face
Clicking Render or Setup in the Render Output
File dialog (page 3–8)
displaystheRGBImageFile
Format dialog.
Channel Bit Depth group
8Bit—Saves the RGB file as 8-bit color.
16 B it—Saves the RGB file as 16-bit color.
Use Alpha toggle
Use Alpha —Saves Alpha channels with the RGB
file.
TGA (Ta r ga) Fi les
The Targa (TGA) format was developed by
Truevision for their video boards. The format
supports 32-bit true color; that is, 24-bit color plus
an alpha channel, and is ty pically used as a true
color f ormat.
Targa files are widely used to render still images
and to render sequences of still images to video
tape.
Some Targa files created by other applicat ions have
different file-name extensions. 3ds Max can render
the
.vda , .icb ,and .vst variants as well as .tga .
Interfa ce
Clicking Render or Setup in the Render Output
File dialog (page 3–8)
displays the Targa Image
Cont rol dialog.
When you render to a Targa file, you have the
following options:
Image Attributes group
Bi ts-Per -Pixel—Choose the color depth: 16-bit,
24-bit, or 32-bit.
Co mpress—Applieslosslesscompressiontothefile.
Alpha Split—Creates a separate file for the
alpha channel. T he file name created for the
alpha-channel file starts with a_ and then appends
thefullfilename. Forexample,ifyoucheckthis
box and render the file
greek004.tga ,3dsMax
creates the file
a_greek004.tga for the alpha
channel.(Sometimesthenamewillbelongerthan
8characters.)