What is a SGI file?
Developed at Silicon Graphics, the SGI file format is a native graphics format used by its workstations. It is a binary format raster image file which can store anything between 8 to 32-bits per pixels. These files are similar to RGB format images and support RLE (Run-Length Encoding) for limiting the file size. It is a bitmap capable of storing black and white, grayscale, and color images.
How to Open SGI Files
How to Make SGI Files
Exact steps for creating SGI files will vary by program and operating system. Download one of the above listed programs and you should be able to follow typical procedure for opening files or creating files from the File menu. Typically you will select File > Open or File > New and continue through the prompts. Some programs may follow a different procedure for either creation or opening of files.