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<div dir="ltr" data-setdir="false">Thanks Rick, that is close. The error am getting now is:</div><div dir="ltr" data-setdir="false"> <span>fatal:Number of subscripts on rhs do not match number of dimensions of aggregated cat type variable, (4) Subscripts used, (3) Subscripts expected</span><br></div><div><br></div>
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On Sunday, April 19, 2020, 10:17:12 PM GMT+2, Rick Brownrigg <brownrig@ucar.edu> wrote:
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<div><div id="yiv6772309934"><div><div dir="ltr"><div>HI Zilore,</div><div><br clear="none"></div><div>I think the issue is that addfiles() return a *list* of filevars, where addfile returns a single filevar. Lists are indexed with [ ] notation; perhaps something like this will work:</div><div><br clear="none"></div><div> x = a[:]->T2(0,{850},{-15},{30})</div><div><br clear="none"></div><div>Rick<br clear="none"></div></div><br clear="none"><div class="yiv6772309934gmail_quote"><div class="yiv6772309934yqt8231179072" id="yiv6772309934yqt67703"><div class="yiv6772309934gmail_attr" dir="ltr">On Sun, Apr 19, 2020 at 1:54 PM zilore mumba via ncl-talk <<a rel="nofollow" shape="rect" ymailto="mailto:ncl-talk@ucar.edu" target="_blank" href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>> wrote:<br clear="none"></div><blockquote class="yiv6772309934gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr">I am trying to get time series at given locations from several WRF output files, e.g. 48H forecast temperature at 850hPa. Each file contains a day's model run.</div><div dir="ltr"> I have used ncl for years by adapting existing scripts, without really understanding. One issue I have difficulty with is getting variables from a file, especially WRF output.</div><div dir="ltr">I thought the script to get a time series at 15S, 30E would be as simple as the one below. I am able to print the varsummary, but printing x tells me that "a is not a valid file reference.</div><div dir="ltr">I would appreciate ant assistance.</div><div dir="ltr"><div>begin<br clear="none">files = systemfunc("ls -1 data/wrfout_d01_2020*") + ".nc"<br clear="none"> a = addfiles(files,"r")<br clear="none"><br clear="none"> ListSetType (a, "cat") ; concatenate (=default)<br clear="none"> tc = wrf_user_getvar(a,"tc",0)<br clear="none"> printVarSummary (tc)<br clear="none"><br clear="none"> x = a->T2(0,{850},{-15},{30})<br clear="none"> asciiwrite("outfile.txt",x)<br clear="none">end<br clear="none"><br clear="none"></div><div dir="ltr">Zilore Mumba<br clear="none"></div></div></div></div>_______________________________________________<br clear="none">
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