When in polar mode (set polar), the xrange and the yrange may be left
in autoscale mode. If set rrange is used to limit the extent of the polar
axis, then xrange and yrange will adjust to match this automatically.
However, explicit xrange and yrange commands can later be used to make
further adjustments. See set rrange (p. ![[*]](crossref.png)
).
See also
http://www.gnuplot.info/demo/poldat.htmlpolar demos.
