<div dir="ltr"><div><div>Hi Justin,<br><br></div>If you are using GrADS 2.0.0 or later, you may try the lterp function (<a href="http://cola.gmu.edu/grads/gadoc/gradfunclterp.html" target="_blank">http://cola.gmu.edu/grads/gadoc/gradfunclterp.html</a>).<br><br></div>Endalk<br><div><div><div><br><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 21, 2016 at 11:22 AM, Justin Hicks <span dir="ltr"><<a href="mailto:jhicks2014@gmail.com" target="_blank">jhicks2014@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Users,<div><br></div><div>I am trying to convert 0.625x0.5 degree gridded MERRA2 precipitation data to 1 degree gridded data. There wasn't much help online as how to do this, but the 1 degree file I made does seem to spit out data that is different from the original. I'll post the commands I used to do this. The variable name is 'prectot':</div><div><br></div><div>open MERRA2_Monthly_1980-1991_Flx</div><div>set t 1 last</div><div>define prectot=prectot</div><div><span style="color:rgb(51,51,51);font-family:Verdana,Arial,Tahoma,Calibri,Geneva,sans-serif;font-size:13px;background-color:rgb(250,250,250)">newgrid=regrid2(prectot,1.0)</span><br clear="all"><div>set sdfwrite /data2/control/MERRA2_Monthly_1980-1991_Flx_1Deg_TotalPrecipitation.nc</div><div>sdfwrite prectot</div><div><br></div><div><br></div><div><br></div><div>I'm not sure if this was the correct way to do this or not. The contents of ncdump for the new file still suggest that it's not 1 degree, yet the values are different between the two files. I also tried to set the lat/lon for the new file to a small, fixed value to see the grid sizes, but there was an error with the grid limits, so all values showed undefined. </div><div><br></div><div>Any help would be appreciated; I just want to double check to see if I converted to 1 degree correctly. <span><font color="#888888"><br>-- </font></span></div><span><font color="#888888"><div data-smartmail="gmail_signature"><div dir="ltr"><div data-smartmail="gmail_signature"><div dir="ltr"><div><span style="font-size:12.8px"><span style="font-size:10pt;font-family:"Times New Roman",serif;background-image:initial;background-repeat:initial"><font color="#000000"><b>Justin</b></font></span></span><br></div><div><i style="font-size:12.8px"><span style="font-size:10pt;font-family:"Times New Roman",serif;background-image:initial;background-repeat:initial"><font color="#000000">Undergraduate<br>Atmospheric Sciences Major</font></span></i></div><div><i style="font-size:12.8px"><span style="font-size:10pt;font-family:"Times New Roman",serif;background-image:initial;background-repeat:initial"><font color="#000000">GIS Minor<br>University of Maryland-College Park</font></span></i><font color="#000000" face="arial, helvetica, sans-serif" size="2"><b><br></b></font></div></div></div></div></div>
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