The first parameter, sym, determines the plotting symbol to draw at
each data point. The symbol that will be plotted at the point
(x[i],y[i]) will be the ASCII decimal equivalent of sym[i]. The
maximum absolute value of a plotting symbol number is 95, so the
lower case alphabetic characters are not available.
sym[i+1] = 0 -- no symbol at (x[i+1],y[i+1]), but connect that point
to sym[i] drawn at (x[i],y[i])
sym[i+1] > 0 -- sym[i+1] connected to point (x[i],y[i])
sym[i+1] < 0 -- sym[i+1] not connected to point (x[i],y[i])
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The first optional parameter, size, controls the relative size of each individual plotting symbol. The size of the symbol at point (x[i],y[i]) will be size[i]*CHARSZ. The GPLOT keyword CHARSZ can be changed with the SET command.
The second optional vector, colour, is interpreted as the colour codes for the plotting symbols. The colour code of the plotting symbol at point (x[i],y[i]) will be colour[i]. 1 - white 5 - yellow 2 - red 6 - cyan 3 - green 7 - magenta 4 - blue 8 - white
The third optional parameter, angle, is interpreted as the angle, in degrees, of the plotting symbol. The angle of the plotting symbol drawn at point (x[i],y[i]), will be angle[i]. Normally, the angle of all the plotting symbols is CHARA, with a default value of 0 degrees.
Parameters: fill { w { c }}
The GRAPH command used with the \HISTOGRAM qualifier plots histograms
with tails. You can also set the GPLOT characteristic HISTYP using the
SET command.
HISTYP = 0 non-histogram
HISTYP = 2 or 4 tails will be drawn, can control individual bar
filling, width, and colour
HISTYP = 1 or 3 no tails are drawn, can control individual bar
width, and colour
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