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>Jeff Duda<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">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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Adrian Scherzinger<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Jeff Duda<br>Iowa State University<br>Meteorology Graduate Student<br>3134 Agronomy Hall<br><a href="http://www.meteor.iastate.edu/~jdduda">www.meteor.iastate.edu/~jdduda</a><br>