GRAPHZOOMRichardR.BurtonLastrevised:November8,1983Copyright(c)1983XeroxCorporationstoredon:LIBRARY>GRAPHZOOMalsoloads:LIBRARY>SMALLFONTSGRAPHZOOMallowsthegraphs(alaGRAPHER)tobeworkedwithatdifferencescales.TheinterfacetoitisthroughthefunctionSHOWZOOMGRAPHwhichisusedinsteadofSHOWGRAPH.Theresultinggrapherwindowhasthecapabilityofbeing"zoomed"byusingamenuthatisattachedtothetop.Touse,callSHOWZOOMGRAPH:SHOWZOOMGRAPH(GRAPHWINDOWLEFTBUTTONFNMIDDLEBUTTONFNTOPJUSTIFYFLGALLOWEDITFLGINITSCALE)TheargumentsarethatsameasSHOWGRAPH.INITSCALEistheinitialscaleatwhichthegraphisshown.1.0(thedefault)isthesameasSHOWGRAPH.Largerscalesmakethegraphappearsmaller.Thewindowwillhaveamenuaboveitwhichcontainstheitems'LARGER'and'smaller'.Selectinginthemenuwiththeleftbuttonwillcauseasmallchangeinscale;withthemiddlebuttonwillcausealargerchangeinscale.Thegraphwillzoomtowardthecenterofthewindow.ThezoomingoftextisdrivenoffalistoffontdescriptorsstoredasthevalueofthevariableDECREASING.FONT.LIST.ThevaluesonthislistareTimesRoman72,36,30,Helvetica24,18,14,12,10,8,5,4,and3.GraphswhichhavefontsotherthanHelveticawillgetprintedintheclosestHelveticasize.ThisisoftensmallerthanthecorrespondingGACHAfont.p c/b6 qb6` '`_ ; $"_^. P ),^.\ ''~\[~ ),[~Z& Z&X XWv P1"n$'x/149>%@ IIWvV y; #E%,/7m C/H9JJVT Z !"n%.04:>%A JJTSn  oy!#E'x+.058D;?@C/GbGbSnR  RP POf "n -Y 9 EEOfN  ANL F;"n$ .0/7m9=NDIILK^  oyd#E&*2c48D H9IIK^J ;#E)&/JH HGV F'Z;"n'x)/69>FIIGVE 'd#E'x+/3:9=NBXDIIED P1d &,057m=NC/EEDCN CNA A@ FP!$*-Y06@?F ?F= F;$'x)&-Y/4 >%DFII=< yd/049 Z'x*.0148D:=N?C/EFF;>9 $(O048D>ADD98 $&+2c69 EJJ876 76 q?[~GACHA ~GACHA  j/G%{PHYLUM}LIBRARY>GRAPHZOOM.TED;2BURTON 8-NOV-83 17:36:13