<div>Thank you,this command worked well.<br></div><div><div class="gmail_quote"><div dir="ltr"><div>Could you please help me with the cdo command to create an .nc file with an average of lat and lon values based on the given input files.</div><div><br></div><div>i.e..,Below are the list of .nc files that i have.</div><div>-rw-rw-r-- 1 tripura tripura 244836 Jul 6 17:30 rtma_2019050200_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244836 Jul 6 17:32 rtma_2019050201_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050202_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050203_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050204_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050205_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050206_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050207_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050208_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050209_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050210_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050211_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050212_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050213_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050214_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050215_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050216_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050217_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050218_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050219_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050220_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050221_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050222_T_MS.nc<br>-rw-rw-r-- 1 tripura tripura 244456 Jun 10 23:57 rtma_2019050223_T_MS.nc<br></div><div>I want to ceate a file based on the average of lat and lon values for the above files. <br></div><div><br></div><div>Thank you in advance.</div><div><br></div><div>Best regards</div></div><div dir="ltr"><div>Tripura</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 3 Jul 2019 at 01:57, Karl-Hermann Wieners via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Tripura,<br>
<br>
both Dennis' and my proposal will split the file at each time step, but<br>
will not look into the actual time stamp data.<br>
<br>
Best,<br>
Karl<br>
<br>
On 7/3/19 4:25 AM, Tripura Yerrapothu wrote:<br>
> Hi Karl-Hermann<br>
><br>
> Will his command split the files based on times stamps. Thank you in<br>
> advance.<br>
><br>
> Best Regards<br>
> Bala Tripura Sundari<br>
><br>
> On Tue, 2 Jul 2019 at 4:02 PM, Karl-Hermann Wieners<br>
> <<a href="mailto:karl-hermann.wieners@mpimet.mpg.de" target="_blank">karl-hermann.wieners@mpimet.mpg.de</a><br>
> <mailto:<a href="mailto:karl-hermann.wieners@mpimet.mpg.de" target="_blank">karl-hermann.wieners@mpimet.mpg.de</a>>> wrote:<br>
><br>
><br>
> cdo splitsel,1 rtma_20190501_T_interp_test.nc<br>
> rtma_20190501_T_interp_test<br>
> <br>
><br>
<br>
On 7/2/19 11:29 PM, Dennis Shea via ncl-talk wrote:<br>
> One approach: direct use of netCDF operators [ NCO ]:*<br>
> *<br>
> *<br>
> *<br>
> *%>* ncks -d time,0 <a href="http://z.nc" rel="noreferrer" target="_blank">z.nc</a> <<a href="http://z.nc" rel="noreferrer" target="_blank">http://z.nc</a>> <a href="http://z_0.nc" rel="noreferrer" target="_blank">z_0.nc</a> <<a href="http://z_0.nc" rel="noreferrer" target="_blank">http://z_0.nc</a>><br>
> *%>* ncks -d time,1 <a href="http://z.nc" rel="noreferrer" target="_blank">z.nc</a> <<a href="http://z.nc" rel="noreferrer" target="_blank">http://z.nc</a>> <a href="http://z_1.nc" rel="noreferrer" target="_blank">z_1.nc</a> <<a href="http://z_1.nc" rel="noreferrer" target="_blank">http://z_1.nc</a>><br>
> etc<br>
> ===<br>
> I speculate the Climate Data Operators [CDO] could be used also<br>
> ====<br>
><br>
> Use (say) an NCL script to invoke the 'ncks' operator<br>
> ====<br>
> diri = "./" ; source input directory<br>
> fili = "<a href="http://z.nc" rel="noreferrer" target="_blank">z.nc</a> <<a href="http://z.nc" rel="noreferrer" target="_blank">http://z.nc</a>>" ; source input file<br>
> pthi = diri+fili<br>
><br>
> diro = "./" ; output directory<br>
><br>
> do nt=0,4<br>
> nts = sprinti("%0.1i", nt) ; or ... sprinti("%0.2i", nt)<br>
> filo = "z_"+nts+".nc"<br>
> ptho = diro+filo<br>
> nco = "ncks -O -d time,"+nt+" "+pthi+" "+ptho<br>
> print("nt="+nt+": "+nco) ;<br>
> echo NCO command<br>
> system(nco)<br>
> end do<br>
><br>
<br>
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</blockquote></div>
</div></div>