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<br />~ <br /> <br />numeric denonrinator and then applies it to all HEC-2 output results. <br />Several methods exist for specifying curve symbols, lines and <br />data variables. Among the methods are entering the following commands: <br />(a) "PLOT", followed by a set of cards ( or lines or records) each <br />one containing data for one curve, followed by an "ALL" cOl1llland. Each <br />card contains the following string of data: HEC-2 input variable to <br />plot, the profile number to plot, the symbol option, the line option, <br />the symbol size, and the alphanumeric description of the curve. The <br />HEC-2 variable specification can either be the numeric integer value <br />snown in the HEC-2 user's manual or a four alpha character code name. <br />See Appendix B for a listing of the variable code names cross-reference. <br />All of the options have default values. A typical sequence may look <br />like this: <br /> <br />PLOT <br />42"NUlL,LINE"STREAM BED, <br />CWSEL,l,NUlL,D76,,300 CFS, <br />CWSEL,2,NULL,D7212,,800 CFS, <br />1.3,NULL,D721212,,2000 CFS <br />l,4,NULL,D7232,,40oo CFS <br />ALL <br /> <br />The results would be five curves, four of which are computed <br />water surface elevations and one of which is the stream bed. No <br />character (or symbol) sizes were specified since all symbol options <br /> <br />were "NULL". <br /> <br />(b) "ICIN" followed by any combination of the commands "VAR" , <br />PRO", "SYMB", "FUNE", "VARDES", "CHSIZE". The variable "CURVE" sped fies <br /> <br />to which input curve the data applies. To enter the equivalent data <br />shown in "a", one would do the following: <br /> <br />31 <br />