<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Jeff,<div>Your data variable has three dimensions: z,y,x. You have listed only two of those in your variable declaration. </div><div>Change</div><div><blockquote type="cite">temp2m 1 y,x 2-m temperature (F)<br></blockquote>to </div><div><blockquote type="cite">temp2m 1 z,y,x 2-m temperature (F)<br></blockquote><div><br></div>--Jennifer</div><div><br><div><div>On Jun 18, 2012, at 3:22 PM, Jeff Duda wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">I'm trying to use Grads to display data from a netCDF file. The result of ncdump for that file is<br><br>ncdump -h ARW_cn_20110427.nettemp2m079200<br>netcdf ARW_cn_20110427 {<br>dimensions:<br> x = 1163 ;<br> y = 723 ;<br>
z = 1 ;<br>variables:<br> float temp2m(z, y, x) ;<br> temp2m:standard_name = "temp2m" ;<br> temp2m:long_name = "temp2m" ;<br> temp2m:units = "F" ;<br>
}<br><br>The file size is 3363608 bytes. Given the data are floating point and single precision, the size of the data alone are 1163*723*4 = 3363396, for a difference of 212 bytes<br><br>I made a control file designed to open several hundred individual files to display the variable temp2m:<br>
dset s4%e_arw/ARW_%e_20110427.nettemp2m%ch<br>chsub 1 1 003600<br>chsub 2 2 007200<br>chsub 3 3 010800<br>chsub 4 4 014400<br>chsub 5 5 018000<br>chsub 6 6 021600<br>chsub 7 7 025200<br>chsub 8 8 028800<br>
chsub 9 9 032400<br>chsub 10 10 036000<br>chsub 11 11 039600<br>chsub 12 12 043200<br>chsub 13 13 046800<br>chsub 14 14 050400<br>chsub 15 15 054000<br>chsub 16 16 057600<br>chsub 17 17 061200<br>chsub 18 18 064800<br>chsub 19 19 068400<br>
chsub 20 20 072000<br>chsub 21 21 075600<br>chsub 22 22 079200<br>chsub 23 23 082800<br>chsub 24 24 086400<br>chsub 25 25 090000<br>chsub 26 26 093600<br>chsub 27 27 097200<br>chsub 28 28 100800<br>chsub 29 29 104400<br>chsub 30 30 108000<br>
chsub 31 31 111600<br>chsub 32 32 115200<br>chsub 33 33 118800<br>chsub 34 34 122400<br>chsub 35 35 126000<br>chsub 36 36 129600<br>options template byteswapped<br>undef -9999.0<br>dtype netcdf<br>pdef 1163 723 lcc 23.2231 -119.145 1.0 1.0 38.5 38.5 -97.0000 4000.000 4000.000<br>
xdef 1163 linear -128.1065 0.053758<br>ydef 723 linear 23.2231 0.040388<br>zdef 1 linear 1.0 1.0<br>tdef 36 linear 01Z27APR2011 1HR<br>edef 10 NAMES cn m21 m23 m24 m25 m26 m27 m28 m29 m30<br>VARS 1<br>
temp2m 1 y,x 2-m temperature (F)<br>ENDVARS<br>headerbytes 212<br clear="all"><br>When attempting to display the variable in Grads, I get this output:<br>ga-> open SSEF_ens_temp2m_20110427_net.ctl<br>Scanning description file: SSEF_ens_temp2m_20110427_net.ctl<br>
Data file s4%e_arw/ARW_%e_20110427.nettemp2m%ch is open as file 1<br>LON set to -128.107 -65.6397<br>LAT set to 23.2231 52.3832<br>LEV set to 1 1<br>Time values set: 2011:4:27:1 2011:4:27:1<br>E set to 1 1<br>Notice: Implied interpolation for file SSEF_ens_temp2m_20110427_net.ctl<br>
Interpolation will be performed on any data displayed from this file<br>ga-> d temp2m<br>Notice: Automatic Grid Interpolation Taking Place<br><b><i>NetCDF Error (gancrow, nc_get_vara_double): NetCDF: Index exceeds dimension bound</i></b><br>
Data Request Error: Error for variable 'temp2m'<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression<br> Expression = temp2m<br><br>I have also tried altering the line<br>temp2m 1 y,x 2-m temperature (F)<br>
by the line<br>temp2m 1 z,y,x 2-m temperature (F)<br>in accordance with the output from ncdump. No avail.<br><br>Please help me determine the reason for this error and how to fix it. Thanks.<br><br>Jeff Duda<br>-- <br>
Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br><br>
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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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