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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Adam,<div class=""><br class=""></div><div class="">thanks for your help.</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div dir="ltr" class=""><div class="">You are setting the 2-dimensional latitude and longitude arrays to the sfXArray/sfYArray resources (for the geopotential height scalar arrasy), but you are not setting vfXArray/vfYArray resources (for the wind component arrays).</div><div class="">This may or may not be the issue.</div></div></blockquote></div><div class=""><div dir="ltr" class=""><div class=""><br class=""></div></div></div><div class="">I solved setting the vfXArray/vfYArray resources.</div><div class=""><br class=""></div><div class="">thanks again<br class=""><div class="">
<br class="">Regards</div><div class=""><br class="">---------<br class=""><br class="">Ph.D. Mauro Morichetti<br class="">Department of Industrial Engineering and Mathematical Science<br class="">Marche Polytechnic University, Ancona, Italy<br class=""><a href="mailto:m.morichetti@pm.univpm.it" class="">m.morichetti@pm.univpm.it</a>
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<div><br class=""><blockquote type="cite" class=""><div class="">On 08Apr, 2021, at 05:26, Adam Phillips <<a href="mailto:asphilli@ucar.edu" class="">asphilli@ucar.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi Mauro,<div class="">Please remember to always include ncl-talk on any response; that way others can assist. You stated that you did not have any error messages, but in the log file you sent me it ends like this:</div><div class=""><br class=""></div><div class="">(0) check_for_y_lat_coord: Warning: Data either does not contain<br class="">(0) a valid latitude coordinate array or doesn't contain one at all.<br class="">(0) A valid latitude coordinate array should have a 'units'<br class="">(0) attribute equal to one of the following values: <br class="">(0) 'degrees_north' 'degrees-north' 'degree_north' 'degrees north' 'degrees_N' 'Degrees_north' 'degree_N' 'degreeN' 'degreesN' 'deg north'<br class="">(0) check_for_lon_coord: Warning: Data either does not contain<br class="">(0) a valid longitude coordinate array or doesn't contain one at all.<br class="">(0) A valid longitude coordinate array should have a 'units'<br class="">(0) attribute equal to one of the following values: <br class="">(0) 'degrees_east' 'degrees-east' 'degree_east' 'degrees east' 'degrees_E' 'Degrees_east' 'degree_E' 'degreeE' 'degreesE' 'deg east'<br class=""></div><div class=""><br class=""></div><div class="">The first 10 lines from the log file above all refer to latitude/longitude arrays not being correctly set, and are coming from one of these two lines:</div><div class=""> plot_wr1 = gsn_csm_vector_scalar_map_polar(wks,u_avg(0,:,:),v_avg(0,:,:),geop_avg(0,:,:),res)<br class=""> plot_er1 = gsn_csm_vector_scalar_map_polar(wks,u_regrid(0,:,:),v_regrid(0,:,:),z_regrid(0,:,:),res)<br class=""></div><div class="">I would suggest that you use printVarSummary calls to examine the arrays that are being passed to the plotting functions in those two lines. As the vectors are being plotted correctly<br class=""></div><div class="">in the 2nd plot, I would guess there's something amiss with your u_avg or v_avg arrays, and you should compare the output in printVarSummary between u_avg/v_avg and u_regrid/v_regrid to see if you see anything.</div><div class="">You are setting the 2-dimensional latitude and longitude arrays to the sfXArray/sfYArray resources (for the geopotential height scalar arrasy), but you are not setting vfXArray/vfYArray resources (for the wind component arrays).</div><div class="">This may or may not be the issue.</div><div class=""><br class=""></div><div class="">One can also set the 2-dimensional lat/lon arrays as attributes lat2d/lon2d attached to the arrays to be plotted. I do not know if you are doing that or not.</div><div class=""><br class=""></div><div class="">Note that setting gsnAddCyclic to True or False will not fix this particular issue.</div><div class="">Hope the above helps!</div><div class="">Adam</div><div class=""><br class=""></div><div class=""><br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Apr 7, 2021 at 7:43 AM Mauro Morichetti via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu" class="">ncl-talk@mailman.ucar.edu</a>> wrote:<br class=""></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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<div style="overflow-wrap: break-word;" class=""><span style="font-size:14.6667px" class="">Hi all,</span><br style="font-size:14.6667px" class="">
<br style="font-size:14.6667px" class="">
<span style="font-size:14.6667px" class="">as the subject, I have a specific question about the function: gsn_csm_vector_scalar_map_polar.</span><br style="font-size:14.6667px" class="">
<br style="font-size:14.6667px" class="">
<span style="font-size:14.6667px" class="">I am trying to plot a comparison between a WRF-Chem output and ERA5 data, for the geopotential height and the horizontal wind at 500 hPa, in arctic area.</span><br style="font-size:14.6667px" class="">
<br style="font-size:14.6667px" class="">
<span style="font-size:14.6667px" class="">I have an issue plotting the wind vectors: in WRF-chem output (panel a - map attached) the wind doesn’t respect the domain as the values in the background. I had problem in the past with the gsnAddCyclic
function, but here I could not understand why the function doesn’t interfere with the vectors.</span><br style="font-size:14.6667px" class="">
<br style="font-size:14.6667px" class="">
<span style="font-size:14.6667px" class="">Attached the script.</span><br style="font-size:14.6667px" class="">
<br style="font-size:14.6667px" class="">
<span style="font-size:14.6667px" class="">Anyone can Help? Thanks</span><br class="">
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<div class="">Regards</div>
<div class=""><br class="">
---------<br class="">
<br class="">
Ph.D. Mauro Morichetti<br class="">
Department of Industrial Engineering and Mathematical Science<br class="">
Marche Polytechnic University, Ancona, Italy<br class="">
<a href="mailto:m.morichetti@pm.univpm.it" target="_blank" class="">m.morichetti@pm.univpm.it</a>
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<div class=""><span id="cid:178af71643a6ea43201"><ERA5_500_T1.png></span>
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<a href="https://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank" class="">https://mailman.ucar.edu/mailman/listinfo/ncl-talk</a></blockquote></div><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div dir="ltr" class="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div class=""><div class=""><span class=""><font color="#888888" class="">Adam Phillips <br class=""></font></span></div><span class=""><font color="#888888" class="">Associate Scientist, </font></span><span class=""><font color="#888888" class="">Climate and Global Dynamics Laboratory, NCAR<br class=""></font></span></div></div><div class=""><span class=""><font color="#888888" class=""><a href="http://www.cgd.ucar.edu/staff/asphilli/" target="_blank" class="">www.cgd.ucar.edu/staff/asphilli/</a> </font></span><span class=""><font color="#888888" class="">303-497-1726 </font></span></div><span class=""><font color="#888888" class=""></font></span><div class=""><div class=""><span class=""><font color="#888888" class=""><br class=""></font></span><div class=""><span class=""><font color="#888888" class=""><a href="http://www.cgd.ucar.edu/staff/asphilli" target="_blank" class=""></a></font></span></div></div></div></div></div></div></div></div></div></div></div>
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