This format is used to display bitmap images in the SunOS operating system. It uses the RLE compression algorithm and supports between 1 and 32 bits per pixel. It can be created in the Unix environment, and it is used for certain types of research projects. It is primarily used on Sun Microsystems computers.
A vector images format for the HP plotter, created with the help of the Hewlett-Packard Graphics language. It consists of a set of two-character encoding which determines the allocation of starting points in the plotter. It’s used in various programs for plotting and it’s scalable, maintaining image quality. It has an ASCII structure and is an equivalent to HPG files.