<div dir="ltr"><div>For a</div><div> res@cnFillMode = "RasterFill" <br></div><div>there must be 4 grid points that are adjacent to one another for a grid box to be drawn.<br></div><div>Likely, that is not the case for the <b>VERY SPARSELY POPULATED</b> arrays you have available.</div><div>In fact, NCL's <a href="http://www.ncl.ucar.edu/Document/Functions/Contributed/stat_dispersion.shtml" target="_blank"><b>stat_dispersion </b></a> function indicates that more than <b> 99.999+%</b> of the array values are missing [_FillValue]. Specifically, of the 946956000 values only 14 are not missing.</div><div><br></div><div>[time | 365] x [lat | 1410] x [lon | 1840] ===> 946956000</div><div><br></div><div>=========================================</div><div>The script ou attached:</div><div>:<br></div><div>The following is <b>not</b> 'time'.<br></div><div> time = r(:,0,0) ; selecting just time</div><div>This assignment yields all the 'r' values over 365 times at the grid point with index values (0,0)</div><div>Try the following to see the values in 'time'<br></div><div> print(time) ; values of array 'r' over all times at grid point (0,0)<br></div><div> exit<br></div><div><br></div><div>'time' would be</div><div> time = r<b>&</b>time ; extract all 'time' coordinates associated with variable 'r'</div><div><br></div><div>or, explicitly extract the variable 'time' from the file(s).</div><div> time = dat[:]->time</div><div><br></div><div>The above are equivalent.</div><div>==============================</div><div>I have no idea why the following is being assigned:</div><div> r@_FillValue = -999 <br></div><div>The _FillValue is already -999.0</div><div>===============================</div><div><br></div><div>Attached are two scripts :</div><div>[1] <b>tst_vanucia.ncl_v0 </b>uses stat_dispersion to illustrate its usage.</div><div>[2] <b>tst_vanucia.ncl_v1</b>: creates the attached plot</div><div> <br></div><div> It uses<a href="http://www.ncl.ucar.edu/Applications/polyg.shtml"><b> polymarkers </b></a>to illustrate the 'nfr' values and prints the desired values.<br></div><div>=====================<br></div><div> YYYYMMDD LAT LON VALUE<br></div><div>(0) 2017012112 -24.4 -57.01 1<br>(1) 2017012912 -19.58 -50.4 1<br>(2) 2017013012 -22.35 -57.97 1<br>(3) 2017020412 -17.45 -46.58 1<br>(4) 2017031112 -24.71 -57.28 1<br>(5) 2017100212 -20.21 -43.62 1<br>(6) 2017100612 -24.86 -57.87 1<br>(7) 2017101312 -22.87 -53.63 1<br>(8) 2017102712 -19.19 -57.16 1<br>(9) 2017111712 -22.51 -44.11 1<br>(10) 2017112412 -19.63 -54.81 3<br>(11) 2017121512 -18.2 -54.46 2<br>(12) 2017121612 -21.58 -42.03 1<br>(13) 2017122612 -17.79 -45.92 2</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Feb 17, 2020 at 7:27 AM Vanúcia Schumacher 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">
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<span style="font-size:12pt;color:rgb(51,51,51)">Hi NCL's user</span></div>
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<span style="font-size:12pt;color:rgb(51,51,51)">I would like to know how I can extract the date information (YYYYMMDD) and coords (LAT LON) for each non-missing value from the variable obtained?</span><span><br>
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<div><span style="font-size:12pt;color:rgb(51,51,51)">And how could I plot these points, because they are 14 valid pixels (cells-size) and when I plot only 1 pixel appears</span><br>
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<span style="font-size:12pt;color:rgb(51,51,51)">Attached are my script and data which I am trying to do this.</span><br>
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<span style="font-size:12pt;color:rgb(51,51,51)">I appreciate any help</span><span><br>
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