Definition of Stills Language USAGE typical troff preprocessor: converts its input language (bracketed by .begin stills and .end) into pic, and passes all else through STATEMENTS (A file and print are mandatory; all else optional.) # comment -- must be first nonblank character on line view <name> <optional title, with blanks> named views appear in order if no view statements, all views are displayed if title is enclosed in quotes, leading space is kept if no title is given on a line, view name is used as a title print statements (any number of the following forms) print all Every click print final End of file print <clickname> all All clicks of clickname print <clickname> <int>+ Designated click numbers of clickname Parameter settings General form: <attribute> <value> numeric values may be of form -n, n, +n, or missing (zero default) all parameters reset to default at every begin statement Attributes: Mandatory: file give file name as <basename>.s stills develops .s to get .i, if needed Text sizes: small medium big bigbig ``small -2'' does a .ps -2 for small text Line widths: solid fat fatfat ``fat +4'' does a .ps +4 for fat lines Directions: across down ``across 5'' gives 5 time snapshots across the page; views go top to bottom; across 0 is default ``down'' or ``down 0'' gives as many snapshots as will fit down an 8-inch page; views go left to right Frame: frameht framewid margin height and width in inches, default 1.5 margin is white space around data, default 0.05 = 5% Optional parts: frames times values are ``vis'' and ``invis''; default ``vis'' frames surround pictures; times are from print statements WISH LIST New Parameter Settings Spread between frames Frame control like GRAP ``graph with'', both for layout within time snapshots and positioning of new snapshot w.r.t. previous