<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Interpolating offline to a regular grid would be better. I think the ESMF tool RegridWeightGen might be able to do that. There is more functionality in GrADS for gridded data than station data. --Jennifer<div><br><div><br><div><div>On Aug 8, 2012, at 4:24 AM, Becker, Bernd wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial">Jennifer,</font></span></div>
<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial"></font></span> </div>
<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial">what
is the speed-penalty for doing this compared to interpolating to a regular grid
off-line</font></span></div>
<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial">and
duplicating/upsizing the original triangular grid?</font></span></div>
<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial"></font></span> </div>
<div><span class="903292308-08082012"><font color="#0000ff" size="2" face="Arial">Bernd</font></span></div><!-- Converted from text/plain format --><p><font size="2">--<br>Bernd Becker Climate Impacts Product
Development<br>Met Office Hadley Centre FitzRoy Road
Exeter Devon EX1 3PB United Kingdom<br>Tel.: +44 (0) 1392
884511 Fax: +44 (0)870 900 5050<br>E-mail:bernd.becker@metoffice.gov.uk - <a href="http://www.metoffice.gov.uk/research/people/bernd-becker">http://www.metoffice.gov.uk/research/people/bernd-becker</a><br></font></p>
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<font size="2" face="Tahoma"><b>From:</b> <a href="mailto:gradsusr-bounces@gradsusr.org">gradsusr-bounces@gradsusr.org</a>
[mailto:gradsusr-bounces@gradsusr.org] <b>On Behalf Of </b>Jennifer
Adams<br><b>Sent:</b> 07 August 2012 23:27<br><b>To:</b> GrADS Users
Forum<br><b>Subject:</b> Re: [gradsusr] Creating a .ctl file for unstructured
triangulargrid in NetCDF format<br></font><br></div>
<div></div>GrADS does not handle unstructured triangular grids. The only way you
can look at this data with GrADS is to convert it into station data format and
treat each grid point as an individual observation. --Jennifer
<div><br>
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<div>On Aug 7, 2012, at 9:35 AM, Yuji Funakoshi wrote:</div><br class="Apple-interchange-newline">
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<div style="MARGIN: 0in 0in 0pt"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3">Hello,</font></span></div><p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3"></font></span> </p>
<div style="MARGIN: 0in 0in 0pt"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3">I am a user of ADCIRC
and quite new to GrADS. Since I want to display water level, stored on
unstructured triangular grid in NetCDF format, on GrADS, I create a .ctl file.
I can open it by using "xdfopen", however, a plot doesn't display correctly.
It's probably due to a wrong definition of XDEF and YDEF (I use LEVELS for
XDEF and YDEF) on the .ctl file. </font></span></div>
<div style="MARGIN: 0in 0in 0pt"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3">Although I'm not sure
whether GrADS can display unstructured triangular grid correctly, does anyone
know how to define XDEF and YDEF for unstructured triangular grid? Please let
me know.</font></span></div><p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3"></font></span> </p>
<div style="MARGIN: 0in 0in 0pt"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3">Thanks,</font></span></div>
<div style="MARGIN: 0in 0in 0pt"><span style="FONT-FAMILY: 'Calibri','sans-serif'"><font size="3">Yuji</font></span></div><br clear="all"><br>-- <br>Yuji Funakoshi,
Ph.D.<br>Coast Survey Development Laboratory<br>National Oceanic and
Atmospheric Administration<br>1315 East West Highway - N/CS13<br>Silver
Spring, MD 20910-3282<br>ph. (301) 713-2809 X113<br>fax (301) 713-4501<br><a href="mailto:yuji.funakoshi@noaa.gov" target="_blank">yuji.funakoshi@noaa.gov</a>
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<div>--</div>
<div>Jennifer M. Adams</div>
<div>IGES/COLA</div>
<div>4041 Powder Mill Road, Suite 302</div>
<div>Calverton, MD 20705</div>
<div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div>
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></span>
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