axis

obsolete

See plot

plotx

obsolete

ploty

obsolete

regraph

obsolete

See graph

plot

obsolete

NAME

plot, axis - plot relative to scale given by axes

SYNTAX

axis(args)
plot(mode)
inrange = plot(x,y)

DESCRIPTION

Plot() plots relative to the origin and scale defined by calls to axis. The default x and y axes have relative units of 0 to 1 with the plot located in a 5x3.5 inch area.

OPTIONS

plot(): print parameter usage help lines.
plot(0): subsequent calls will plot points.
plot(1): next call will be a move, subsequent call will draw lines.
plot(x, y): plots a point (or vector) relative to the axis scale. Return value is 0 if the point is clipped (out of range).
plot(mode, x, y): Like plt() but with scale and origin given by axis().
axis(): draw axes with label values. Closes plot device.
axis(clip): points are not plotted if they are a factor clip off the axis scale. Default is no clipping. Set clip to 1 to not plot out of axis region. A value of 1.1 allows plotting slightly outside the axis boundaries.
axis(xorg, xsize, yorg, ysize): Size and location of the plot region. (Use the plt() absolute coordinates.)
axis(xstart, xstop, nticx, ystart, ystop, nticy): Determines relative scale and origin.

Specification of the precision of axis tic labels is available by recompiling hoc/SRC/plot.c with #define Jaslove 1+. With this definition, the number of tics specified in the 3rd and 6th arguments of axis() should be of the form m.n. m is the number of tic marks, and n is the number of digits after the decimal point which are printed. This contribution was made by Stewart Jaslove.

EXAMPLES

proc plotsin() { /* plot the sin function from 0 to 10 radians */
   axis(0, 10, 5, -1, 1, 2) /* setup scale */
   plot(1)
   for (x=0; x<=10; x=x+.1) {
      plot(x, sin(x)) /* plot the function */
   }
   axis() /* draw the axes */
}