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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 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, input)
              World X coordinate of origin.

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

       xopt (const char *, input)
              Pointer to character string specifying options for horizontal 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 labeling function to generate
              axis  label  text.   The  custom  labeling  function  can  be  defined   with   the
              plslabelfuncplslabelfunc;  command.   s: Enables subticks between major ticks, only
              valid if t is also specified.  t: Draws major ticks.

       xtick (PLFLT, 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, 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 (const char *, input)
              Pointer to character string specifying options for vertical axis.  The  string  can
              include  any combination of the letters defined above for xopt, and in addition may
              contain: v: Write numeric labels for vertical axis parallel  to  the  base  of  the
              graph, rather than parallel to the axis.

       ytick (PLFLT, 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, 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

       Geoffrey  Furnish  and  Maurice  LeBrun  wrote  and  maintain  PLplot.   This man page was
       automatically generated from the DocBook source of the PLplot documentation, maintained by
       Alan W. Irwin and Rafael Laboissiere.

SEE ALSO

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

                                          February, 2012                          PLAXES(3plplot)