Howard,<br>I suggest you check the GradsUser archives for November 2010, specifically the threads titled "plotting shaded contour precip/ptype products over a basemap/background" and "Command produces a PNG image with transparent color 0 and a background image NE.png". There was a lot of really good discussion about this issue in those threads.<br>
<br>Jeff Duda<br><br><div class="gmail_quote">On Mon, Jan 17, 2011 at 6:31 PM, Metris Limited Forecaster <span dir="ltr"><<a href="mailto:metris@clear.net.nz">metris@clear.net.nz</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;">
<div link="blue" vlink="purple" lang="EN-NZ"><div><p class="MsoNormal"><span style="font-size: 10pt;">Good morning (GMT) users</span></p><p class="MsoNormal"><span style="font-size: 10pt;"> </span></p><p class="MsoNormal">
<span style="font-size: 10pt;">I was wanting pointers on creating a shape file with topography ... for use as a background image.</span></p><p class="MsoNormal"><span style="font-size: 10pt;">I'm guessing someone has scripts for such a purpose.</span></p>
<p class="MsoNormal"><span style="font-size: 10pt;"> </span></p><p class="MsoNormal"><span style="font-size: 10pt;">Grads 2.07a installed </span></p><p class="MsoNormal"><span style="font-size: 10pt;"> </span></p><p class="MsoNormal">
<span style="font-size: 10pt;">regards fellow users</span></p><p class="MsoNormal"><span style="font-size: 10pt;">Howard Staines</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";"></span></p>
<p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";"> </span></p><p class="MsoNormal"><span style="font-size: 10pt;">Forecaster Metris Limited</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";"></span></p>
<p class="MsoNormal"><span style="font-size: 7.5pt;">websited - </span><span style="font-size: 10pt; font-family: "Times New Roman","serif";"><a href="http://www.metris.co.nz" target="_blank"><span style="font-size: 7.5pt; color: blue;">www.metris.co.nz</span></a></span><span style="font-size: 7.5pt;"> - phone 06 8441042</span><span style="font-size: 10pt;"> </span><span style="font-size: 7.5pt;">- fax 06 8441046</span><span style="font-size: 12pt; font-family: "Times New Roman","serif";"></span></p>
<p class="MsoNormal"><span style="font-size: 12pt; font-family: "Times New Roman","serif";"> </span></p></div></div><br>_______________________________________________<br>
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<br></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>