Postscript language

Postscript is a language that allow you to create some pictures.

Here is a simple example:
%!PS-Adobe-2.0 %%Pages: 1 %%BoundingBox: 0 0 612 792 %%EndComments gsave 0 1 0 setrgbcolor /minx 330 def /miny 265 def /maxx 430 def /maxy 365 def newpath minx miny moveto maxx miny lineto maxx maxy lineto minx maxy lineto closepath clip 1 0 0 setrgbcolor 330 265 50 0 360 arc stroke grestore gsave 380 370 translate 72 72 scale 0 0 1 setrgbcolor 0 0 moveto 0 0.5 lineto stroke grestore gsave 350 190 translate 72 72 scale 0 0 1 setrgbcolor 8 8 1 [8 0 0 8 0 0] {} image grestore showpage View the file
The Boundingbox will be important later.Many packages use this information to grab the graph.
convert binary file to postscript via xv or convert

In practice, the PS file are created by some applications such as:
showcase, idraw, xfig, Adobe Illustrator, Mathematica, Maple, Geomview, Pisces, Dstool and so on.

[Page 3]