<br><br><div class="gmail_quote">On Wed, Feb 23, 2011 at 10:44 AM, Jeffrey Duda <span dir="ltr"><<a href="mailto:jdduda@iastate.edu">jdduda@iastate.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Adrian,<br>If your data has sigma or eta vertical coordinates, just use those. If not, you'll have to use some sort of interpolation (linear, logarithmic, etc.).<br><br></blockquote><div><br></div><div>The zinterp function in the opengrads extensions may do what you want:</div>
<div><br></div><div> <a href="http://opengrads.org/doc/udxt/libbjt/libbjt.html#zinterp_field_zgrid_zlev__l_s_p__">zinterp(FIELD,ZGRID,ZLEV,[-l|-s|-p])</a></div><div><br></div><div> Arlindo</div><div><br></div><div><br>
</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Jeff Duda<div><div></div><div class="h5"><br><br><div class="gmail_quote">On Wed, Feb 23, 2011 at 3:28 AM, Adrian Scherzinger <span dir="ltr"><<a href="mailto:adrian.scherzinger@meteotest.ch" target="_blank">adrian.scherzinger@meteotest.ch</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex">hi<br>
<br>
usually i work with levels in grads. but now i have to make maps of a<br>
specific altitude above model topography.<br>
Example: Relative Humidity 3000 feet above ground<br>
<br>
is there a easy way to do this?<br>
<br>
thanks for your hints<br>
<br>
cheers<br>
<br>
adrian<br>
<br>
--<br>
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</blockquote></div><br><br clear="all"><br></div></div><font color="#888888">-- <br>Jeff Duda<br>Iowa State University<br>Meteorology Graduate Student<br>3134 Agronomy Hall<br><a href="http://www.meteor.iastate.edu/~jdduda" target="_blank">www.meteor.iastate.edu/~jdduda</a><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Arlindo da Silva<br><a href="mailto:dasilva@alum.mit.edu">dasilva@alum.mit.edu</a><br>