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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Jennifer,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The linear interpolation function with areal average capability is in Grads version 2.0.2. Am using OpenGrads version 2.0.1 on Windows OS. Can you please assist me to convert below for Grads version 2.0.1 ??? As you have already pointed out that nobody knows when the Open Grads version 2.0.2 release will be ready. I need to make it work on current version 2.0.1 then.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I desperately need it. Please help me to sort it out. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#215868'>Thanks & Regards<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#215868'>Anil Kumar <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#00A1DA'>OceanManager</span></b><b><i><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#215868'> </span></i></b><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#00A1DA'>Inc.</span></b><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#009BD2'> </span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>| </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.oceanmanager.com/">www.oceanmanager.com</a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#31849B'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;color:#ED7D31'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> gradsusr-bounces@gradsusr.org [mailto:gradsusr-bounces@gradsusr.org] <b>On Behalf Of </b>Jennifer Adams<br><b>Sent:</b> Thursday, May 01, 2014 9:09 PM<br><b>To:</b> GrADS Users Forum<br><b>Subject:</b> Re: [gradsusr] Help on Areal average using Grads<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi, Anil -- <o:p></o:p></p><div><p class=MsoNormal>You need to create a new descriptor file that describes a grid you would like to be your 'destination grid'; presumably it would have grid points that correspond to every 8th grid point in your original grid. It can be a dummy descriptor -- use 'dset ^foo.dat' and 'options template' so GrADS won't care if foo.dat doesn't exist. Open both descriptors, then use lterp to regrid using the aave method:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> 'd lterp(u.1,lat.2,aave); lterp(v.1,lat.2,aave)'<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>--Jennifer<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On May 1, 2014, at 9:58 AM, Anil Kumar wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><div><p class=MsoNormal>Hi Grad Users,<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal>I have NetCDF file having Ocean Current Data (attached for reference). Am using below command to display u_velocity and v_velocity and generating vector plot using SKIP() function from Grads.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><b>reinit</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>sdfopen D:/<a href="http://rtofs_glo_2ds_f024_daily_prog.nc/">rtofs_glo_2ds_f024_daily_prog.nc</a></b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set vpage 0 11 0 8.5</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set parea 0 11 0 8.5</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set lon 74 434</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set lat -70 70</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set mproj latlon</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set display color white</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set datawarn off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set grads off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set timelab off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set xlab off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set ylab off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set frame off</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set t 1</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set cint 40</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set display color white</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set background 0 </b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set gxout vector</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set cthick 6</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>set ccolor 1</b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b><span style='color:red'>d skip(u_velocity*1.95,8,8);skip(v_velocity*1.95,8,8)</span></b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b>printim D:\output.png x1061 y587 -t 0</b><o:p></o:p></p></div></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>output is attached and unfortunately this is not what i need exactly. It is just plotting every 8th point. I want to plot<span class=apple-converted-space> </span><b>areal average</b><span class=apple-converted-space> </span>of every 8 points and want exactly the same plot.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal><image001.png><br><o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>NetCDF file has 4320 LON points and 2160 LAT points. The “display” command is powerful enough to iterate along the longitude and latitude. But<span class=apple-converted-space> </span><span style='color:#1F497D'><a href="http://www.iges.org/grads/gadoc/gradfuncaave.html">aave()</a></span><span class=apple-converted-space> </span>function needs fixed X and Y dimensions, no STRIDE option for X and Y.<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal>How can I achieve this using Grads??? Ultimately I need global vector output.<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal>Please help me on this. Thanks in advance.<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>-Anil Kumar<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><rtofs_glo_2ds_f024_daily_prog.nc><output.png>_______________________________________________<br>gradsusr mailing list<br><a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br><a href="http://gradsusr.org/mailman/listinfo/gradsusr">http://gradsusr.org/mailman/listinfo/gradsusr</a><o:p></o:p></span></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>--<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'>Jennifer M. Adams<br>Center for Ocean-Land-Atmosphere Studies (COLA)<br>111 Research Hall, Mail Stop 2B3<br>George Mason University<br>4400 University Drive<br>Fairfax, VA 22030 <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black'><br><br><o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>