NAME

       plaxes - Draw a box with axes, etc. with arbitrary origin

SYNOPSIS

       plaxes(x0, y0, xopt, xtick, nxsub, yopt, ytick, nysub)

DESCRIPTION

       Draws  a  box around the currently defined viewport with arbitrary world-coordinate origin
       specified by x0 and y0 and labels it with  world  coordinate  values  appropriate  to  the
       window.   Thus  plaxes(3plplot)  should  only  be  called after defining both viewport and
       window.  The ascii character strings xopt and yopt specify how the box should be drawn  as
       described below.  If ticks and/or subticks are to be drawn for a particular axis, the tick
       intervals and number of subintervals may be specified explicitly, or they may be defaulted
       by setting the appropriate arguments to zero.

       Redacted  form:  General: plaxes(x0, y0, xopt, xtick, nxsub, yopt, ytick, nysub) Perl/PDL:
       plaxes(x0, y0, xtick, nxsub, ytick, nysub, xopt, yopt)

       This function is not used in any examples.

ARGUMENTS

       x0 (PLFLT(3plplot), input)
              World X coordinate of origin.

       y0 (PLFLT(3plplot), input)
              World Y coordinate of origin.

       xopt (PLCHAR_VECTOR(3plplot), input)
              An ascii character string specifying options  for  the  x  axis.   The  string  can
              include  any  combination  of  the  following  letters (upper or lower case) in any
              order: a: Draws axis, X-axis is horizontal line (y=0), and Y-axis is vertical  line
              (x=0).   b:  Draws bottom (X) or left (Y) edge of frame.  c: Draws top (X) or right
              (Y) edge of frame.  d: Plot labels as date / time. Values are assumed to be seconds
              since  the  epoch  (as used by gmtime).  f:  Always use fixed point numeric labels.
              g: Draws a grid at the major tick interval.  h: Draws a  grid  at  the  minor  tick
              interval.   i: Inverts tick marks, so they are drawn outwards, rather than inwards.
              l: Labels axis logarithmically.  This only affects the labels, not the data, and so
              it is necessary to compute the logarithms of data points before passing them to any
              of the drawing routines.  m: Writes numeric labels at major tick intervals  in  the
              unconventional  location  (above box for X, right of box for Y).  n: Writes numeric
              labels at major tick intervals in the conventional location (below box for X,  left
              of  box for Y).  o: Use custom labelling function to generate axis label text.  The
              custom labelling function can be defined with  the  plslabelfunc(3plplot)  command.
              s:  Enables  subticks  between  major ticks, only valid if t is also specified.  t:
              Draws major ticks.  u: Exactly like "b" except don't draw edge  line.   w:  Exactly
              like  "c"  except  don't  draw  edge line.  x: Exactly like "t" (including the side
              effect of the numerical labels for the major  ticks)  except  exclude  drawing  the
              major and minor tick marks.

       xtick (PLFLT(3plplot), input)
              World  coordinate interval between major ticks on the x axis. If it is set to zero,
              PLplot automatically generates a suitable tick interval.

       nxsub (PLINT(3plplot), input)
              Number of subintervals between major x axis ticks for minor ticks.  If it is set to
              zero, PLplot automatically generates a suitable minor tick interval.

       yopt (PLCHAR_VECTOR(3plplot), input)
              An  ascii  character  string  specifying  options  for  the y axis.  The string can
              include any combination of the letters defined above for xopt, and in addition  may
              contain:  v: Write numeric labels for the y axis parallel to the base of the graph,
              rather than parallel to the axis.

       ytick (PLFLT(3plplot), input)
              World coordinate interval between major ticks on the y axis. If it is set to  zero,
              PLplot automatically generates a suitable tick interval.

       nysub (PLINT(3plplot), input)
              Number of subintervals between major y axis ticks for minor ticks.  If it is set to
              zero, PLplot automatically generates a suitable minor tick interval.

AUTHORS

       Many developers  (who  are  credited  at  http://plplot.sourceforge.net/credits.php)  have
       contributed to PLplot over its long history.

SEE ALSO

       PLplot documentation at http://plplot.sourceforge.net/documentation.php.

                                          November, 2017                          PLAXES(3plplot)