xaxis Controls numeric labeling and tics on the x-axis.
yaxis Controls numeric labeling and tics on the y-axis.
axatic Sets number of large tics automatically for x and y.
axlabp Locates axis labels at top/bottom or left/right of plot.
axlen Sets axis lengths.
axlint Sets label interval for axes.
axlsze Sets axis label heights.
axnmtc Sets number of small tics between large tics on axes.
axnsig Sets no. significant digits in numeric axis labels (auto only).
axset Allows omission of plotting of any axis.
axtype Sets axis type for x- and y-axis.
xfor Sets format of x-axis numeric labels.
yfor Sets format of y-axis numeric labels.
xlab Sets label of x-axis.
ylab Sets label of y-axis.
The numeric axis labels are drawn such that zero will be labelled if it occurs between the low and high axis limits. If zero does not occur, then the first large tic (from the bottom or left) will be labelled. The large tics are forced to occur at integer multiples of the tic interval.All labels in PPLUS can be plotted using any one of 21 character fonts and 12 symbol fonts. The default font is SR (Simplex Roman) and other fonts are called by preceding their two letter abbreviation by an @, i.e., @CI for complex italic. Symbol fonts are called by using the symbol number, i.e., @MA01 plots the first symbol in MATH and @MA12 will plot the twelfth symbol. Font changes (of the form @XX) can be embedded in any label string (e.g., xlab, ylab, plot commands).
@font selects "font" as the character or symbol font to be used, where the font abbreviations are listed below.
TABLE 6. Character Fonts Code Description SR Simplex Roman (default) DR Duplex Roman TR Triplex Roman CR Complex Roman AS ASCII Simplex roman AC ASCII Complex roman CS Complex Script TI Triplex Italic GE Gothic English IR Indexical complex Roman SS Simplex Script CI Complex Italic II Indexical complex Italic SG Simplex Greek CG Complex Greek IG Indexical complex Greek GG Gothic German GI Gothic Italian CC Complex Cyrillic AR Cartographic Roman AG Cartographic Greek
TABLE 7. Symbol Fonts Code Description ZO Zodiac MU Music EL Electrical WE Weather MA Math SM Simplex Math MP Map LM Large Math IZ Indexical Zodiac IM Indexical Math CA Cartographic PM Plot Marks
A clear font command @CL is available to change the default font. The next font called after a @CL becomes the new default font. The font is reset to the default at the start of each label. The command dfltfnt can also be used to change the default font to one of your choice.
Control characters (such as "_" for subscripting in PPLUS labels) for the two ASCII fonts AS and AC must be preceded by an <ESC> (this is ascii code=27). For example, to subscript while using the ASCII fonts you must have <ESC>_ in the label precede the character to subscript. Specifically, the PPLUS command "plot,@ASZ<ESC>_5" will result in a plot title of capital Z followed by a subscripted 5 in the ASCII Simplex Roman font. (See the section in this chapter on subscripting.)The pen may also be selected by giving the change pen command @Pn, where n is the character 1-9 and A-G. This allows the selection of up to 16 pens/colors. The color and font is reset to the default font and previous color after the character string is drawn. The PEN command can be used to change the default color by typing pen,0,default_color. If you need to select a color index beyond the range of P1 to PG, you can use the change color command @Cnnn where "nnn" is a 3-digit color index. (It must be 3 digits.)
The slant used in drawing the fonts may be changed by using the command @Zn, where n is the character 0-9 and A-G. This allows the selection of slant angles from 0 to 45 in 16 increments. The slant is reset to zero after the character string is drawn.
An ^ (up arrow) embedded in any label string will cause the next character to be drawn superscripted an _ (underscore) will draw it subscripted and a \ (backslash) backspaces over the last character drawn. The control characters ^, _ and \ are available in the two ASCII fonts AS and AC by preceding the control character by an <ESC> (ASCII code=27). For example, to subscript while using the ASCII fonts you must have <ESC>_ in the label precede the character to subscript.
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