Pic \(em A Graphics Language for Typesetting g Reference Manual s Basics s Controlling Sizes s Controlling Positions s Labels and Corners s Variables Expressions and Built-in Functions s More on Text s Lines and Splines s Blocks s Macros s File Copy s Loops and Conditionals s Elements s Primitives s Attributes s Text s Positions and places s Variables s Expressions s Definitions s PS S PE S PF S bounding box default size s default values s geometric center s macro definition s quoted string s troff c eqn C -ms c typeset g spline g arc S arrow S arrowhead S atan2 S box S boxht S boxwid S ideal C chop S circle S circlerad S copy S copy thru S cos S dashed S define S diameter S dotted S ellipse S else clause p exp S fill S fillval S for loop p ht S CW if S invis S last S line S log S max S maxpsht S maxpswid S min S rad attribute p rand S reset S scale S sh command f sin S spline S sprintf S sqrt S textht S textwid S undef S grap C comments s direction s ~gray scale graphics g ~that define ~predefined ~defines ~their comments fill mode s linewid S lineht S movewid S moveht S arcrad S ellipseht S ellipsewid S arrowht S arrowwid S dashwid S corners s string comparison s move S