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<H2><B>set csmooth</B></H2><P>
<code>set csmooth <i>on|off</i></code><p>
If on, the grid is interpolated to a finer grid using cubic interpolation
before contouring. "Sticks". <p>
<H3>Usage Notes</H3><P>
<ol>
<li>This option will result in contour values below and above the min
and max of the un-interpolated grid. This may result in physically invalid
values such as in the case of negative rainfall. <p>
</ol>
<H3>Examples</H3><P>