<div dir="ltr"><div><div>I have no idea why your script is encountering is not working.<br><b><br></b><span class="gmail-im"><b>Warning:</b>_<wbr>NhlCreateSplineCoordApprox: Attempt to create spline approximation for X axis failed:</span><br><br></div><div>You have: <b>res@gsnAddCyclic = False <br></b></div><div>which is appropriate for the regional grid.<br><br></div><div>As a wild guess, try commenting out or deleting the following line:<br><br> <b>;; </b>res@mpCenterLonF = -5<br><br></div>[SNIP]<br> printVarSummary(rr) ; [ncl0 | 6] x [LAT | 42] x [LON | 122]<br><b> ; Coordinates:<br> ; LAT: [-19.9373..-9.655172]<br> ; LON: [-19.76373..10.25712</b>]<br> printMinMax(rr,0)<br>;============================================================<br> wks = gsn_open_wks("png","SATL") ; send graphics to PNG file<br> cmap = read_colormap_file("gui_default") ; read color data<br><br> res = True ; plot mods desired<br> res@gsnMaximize = True ; Maximize plot size <br> res@cnLinesOn = False ; No contour lines<br> res@cnFillOn = True ; color plot desired<br> res@cnFillPalette = cmap(:15,:) ; set color map<br> res@cnLineLabelsOn = False<br> <br> <b>res@gsnAddCyclic = False </b> <b> ; regional data ... not global</b><br> res@mpMinLatF = -20 ; zoom in on map<br> res@mpMaxLatF = -10<br> res@mpMinLonF = -20<br> res@mpMaxLonF = 10<br><b>;;</b> res@mpCenterLonF = -5<br> plot = gsn_csm_contour_map(wks,rr(0,:,:),res)<br></div>[SNIP]<br><br><br><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 14, 2018 at 10:02 PM, Ipsita Putatunda <span dir="ltr"><<a href="mailto:ipsita.putatunda@gmail.com" target="_blank">ipsita.putatunda@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Hi Dennis,<br></div>The output of my script (attached herewith) is coming as below:<br>******************************<wbr>*********<br>Variable: rl<br>Type: float<br>Total Size: 221184000 bytes<br> 55296000 values<br>Number of Dimensions: 4<br>Dimensions and sizes: [ncl_join | 20] x [ncl0 | 6] x [LAT | 320] x [LON | 1440]<br>Coordinates: <br> LAT: [-40..40]<br> LON: [ 0..360]<br>Number Of Attributes: 1<br> _FillValue : 9.96921e+36<br><br>Variable: rflip<br>Type: float<br>Total Size: 221184000 bytes<br> 55296000 values<br>Number of Dimensions: 4<br>Dimensions and sizes: [ncl_join | 20] x [ncl0 | 6] x [LAT | 320] x [LON | 1440]<br>Coordinates: <br> LAT: [-40..40]<br> LON: [-179.8749..179.8749]<br>Number Of Attributes: 2<br> _FillValue : 9.96921e+36<br> lonFlip : longitude coordinate variable has been reordered via lonFlip<br><br>Variable: rh<br>Type: float<br>Total Size: 2459520 bytes<br> 614880 values<br>Number of Dimensions: 4<br>Dimensions and sizes: [ncl_join | 20] x [ncl0 | 6] x [LAT | 42] x [LON | 122]<br>Coordinates: <br> LAT: [-19.9373..-9.655172]<br> LON: [-19.76373..10.25712]<br>Number Of Attributes: 2<br> lonFlip : longitude coordinate variable has been reordered via lonFlip<br> _FillValue : 9.96921e+36<br><br>Variable: rr<br>Type: float<br>Total Size: 122976 bytes<br> 30744 values<br>Number of Dimensions: 3<br>Dimensions and sizes: [ncl0 | 6] x [LAT | 42] x [LON | 122]<br>Coordinates: <br> LAT: [-19.9373..-9.655172]<br> LON: [-19.76373..10.25712]<br>Number Of Attributes: 3<br> _FillValue : 9.96921e+36<br> lonFlip : longitude coordinate variable has been reordered via lonFlip<br> average_op_ncl : dim_avg_n over dimension(s): ncl_join<span class=""><br>warning:_<wbr>NhlCreateSplineCoordApprox: Attempt to create spline approximation for X axis failed: consider adjusting trXTensionF value<br>warning:IrTransInitialize: error creating spline approximation for trXCoordPoints; defaulting to linear<br></span>******************************<wbr>*****************</div><div><br></div>Thanks,<br></div>Ipsita<br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 14, 2018 at 11:22 PM, Dennis Shea <span dir="ltr"><<a href="mailto:shea@ucar.edu" target="_blank">shea@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Without knowing the 'structure' of the original variable, it is hard to offer any help.<br><br></div><div>As ncl-talk suggests, the user should <b>*always include* t</b>he output from <b>printVarSummary </b>of the original variable.<br><br> rl=f[:]->rh <wbr> ; do <b>not</b> use (:,:,:,:) when importing entire variable; it is inefficient<br></div><div> <b>printVarSummary(rl)</b><br></div><div> rflip=lonFlip(rl)<br> <b>printVarSummary(rflip)<br><br></b> rh=rflip(:,:,80:121,640:761); [-20S to -10S, 20W to 10E]<br> <br> lat=rh&LAT<br> lon=rh&LON<br><br> rh&LAT@units = "degrees north"<br> rh&LON@units = "degrees east" <br> <b>printVarSummary(rh)</b><br> rr=dim_avg_n_Wrap(rh,0)<br> <b>printVarSummary(rr)</b><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_6909137216342529841h5">On Thu, Jun 14, 2018 at 4:57 AM, Ipsita Putatunda <span dir="ltr"><<a href="mailto:ipsita.putatunda@gmail.com" target="_blank">ipsita.putatunda@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_6909137216342529841h5"><div dir="ltr"><div><div>Dear all,<br></div>I want to plot a region [10S to 20S;20W to 10E] over South Atlantic, my script is attached herewith, which is giving warning message like below-<br><br>******************************<wbr>***********<br>warning:_NhlCreateSplineCoordA<wbr>pprox: Attempt to create spline approximation for X axis failed: consider adjusting trXTensionF value<br>warning:IrTransInitialize: error creating spline approximation for trXCoordPoints; defaulting to linear<br>******************************<wbr>**************<br>Please help me in this issue. Any suggestions will be appreciated.<br><br></div><div>Thanks in advance,<br></div><div>Ipsita<br></div><div><br></div></div>
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