Hi,<br><br>That worked like a gem, thanks a lot!<br><br><div><span class="gmail_quote">On 1/18/08, <b class="gmail_sendername">Mary Jo Nath</b> <<a href="mailto:Mary-Jo.Nath@noaa.gov">Mary-Jo.Nath@noaa.gov</a>> wrote:
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Fil,<br><br>Contour your variable as you normally would, then do just contour the 0<br>
line by doing something like:<br><br>set gxout contour<br>set cthick 6<br>set clevs 0<br>d var<br><br>MJ<br><br></blockquote></div><br>-- <br>Fil,<br>
Cheers