<div dir="ltr"><div class="gmail_default" style="font-size:small">I&#39;m not sure what&#39;s going on. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">In the 6.3.0 version of &quot;ESMG_regridding.ncl&quot;, the &quot;Opt&quot; variable is clearly defined on line 1563. The line number that the error message is pointing to is somewhere in the middle of the function where &quot;Opt&quot; has already been referenced multiple times, so why didn&#39;t those lines produce errors as well?</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">If you have multiple versions of NCL on your system, you need to make sure that when you switch between the two versions, you are correctly resetting your NCARG_ROOT and PATH environment variables.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">You can double-check this by typing:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">which ncl</div><div class="gmail_default" style="font-size:small">ncl -V</div><div class="gmail_default" style="font-size:small">env | grep NCARG</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">--Mary</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 2, 2016 at 4:18 PM, Lynch, Cary D <span dir="ltr">&lt;<a href="mailto:cary.lynch@pnnl.gov" target="_blank">cary.lynch@pnnl.gov</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



<div style="word-wrap:break-word;color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif">
<div>
<div>Hello,</div>
<div>I am having issues with regridding a cmip5 ocean variable.  Using the function “ESMF_regrid” (with NCL version 6.3.0) my script is as follows:</div>
<div>
<div><br>
</div>
<div>;**************************************</div>
<div>load &quot;$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl&quot;</div>
<div>load &quot;$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl&quot;</div>
<div>load &quot;$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl&quot;</div>
<div>load &quot;$NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl&quot;</div>
<div>;**************************************</div>
<div>begin</div>
<div>;****************************************</div>
<div><br>
</div>
<div>  diri = &quot;/Volumes/theato/&quot;</div>
<div><br>
</div>
<div>  dp1 = addfile(diri+&quot;theato_Omon_CESM1-BGC_rcp85_r1i1p1_200601-210012.nc&quot;,&quot;r&quot;)</div>
<div>  tsi = dp1-&gt;theta</div>
<div>  tsia = month_to_annual(tsi,1)</div>
<div><br>
</div>
<div>  tsiax = tsia(0,:,:)</div>
<div>  tsiax@lat2d = dp1-&gt;lat</div>
<div>  tsiax@lon2d = dp1-&gt;lon</div>
<div><br>
</div>
<div>  Opt = True</div>
<div>  Opt@ForceOverwrite   = True</div>
<div>  Opt@SrcMask2D      = where(.not.ismissing(tsiax),1,0)</div>
<div>  Opt@DstGridType = &quot;1deg&quot;</div>
<div>  Opt@SrcGridCornerLat = dp1-&gt;lat_vertices</div>
<div>  Opt@SrcGridCornerLon = dp1-&gt;lon_vertices</div>
<div>  Opt@DstLLCorner      = (/-89.75d,   0.00d /)</div>
<div>  Opt@DstURCorner      = (/ 89.75d, 359.75d /)</div>
<div><br>
</div>
<div>  rgtsi = ESMF_regrid(tsiax,Opt)</div>
<div><br>
</div>
<div>  printVarSummary(rgtsi)</div>
</div>
<div><br>
</div>
<div>;**********************</div>
<div>End</div>
<div><br>
</div>
<div>The error message(s) I receive after running above script is as follows:</div>
<div><br>
</div>
<div>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
<span>fatal:Variable (Opt) is undefined</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
<span>fatal:[&quot;Execute.c&quot;:8575]:Execute: Error occurred at or near line 1588 in file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px">
<span></span><br>
</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
<span>fatal:[&quot;Execute.c&quot;:8575]:Execute: Error occurred at or near line 3853 in file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px">
<span></span><br>
</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">
<span>fatal:[&quot;Execute.c&quot;:8575]:Execute: Error occurred at or near line 3983 in file $NCARG_ROOT/lib/ncarg/nclscripts/esmf/ESMF_regridding.ncl</span></p>
</div>
<div><span><br>
</span></div>
<div><span><br>
</span></div>
<div><span>Is this a version issue because on a previous version (NCL 6.1.0) I did not run into this problem?</span></div>
<div><span>Any help will be appreciated.</span></div>
<div><span>Thank you.</span></div>
</div>
<div><span><br>
</span></div>
</div>

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<br></blockquote></div><br></div>