<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000">Dear Alan,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000">Thank you for your reply! I've also previously used this function before and had no problem. I ran the code on our university cluster, so there is enough RAM to store the variable.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000">Below attached is the outputted .<span class="" id=":1s8.1" tabindex="-1" style="">nc</span> file that goes into the function. I've gave it a quick "<span class="" id=":1s8.2" tabindex="-1" style="">ncview</span>" check and didn't see any problem with the data. Please let me know if you found anything wrong. Thank you very much for your help!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000">Best regards,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><span class="" id=":1s8.3" tabindex="-1" style="">Meina</span></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;color:#000000"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 6, 2017 at 11:54 AM, Alan Brammer <span dir="ltr"><<a href="mailto:abrammer@albany.edu" target="_blank">abrammer@albany.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Would probably help to see the data. I’ve used this function a lot, with bigger domains than yours and not had issue. However the function will duplicate domains, so if you’re on a laptop with very limited RAM it may struggle. <div><br><div>You could save your plotting data to a small netcdf and send it to the list, based on the summary, the netcdf should be small than 1 MB. </div><div><br></div><div><div>ncout= addfile(“ncl_talk_streamline_<wbr>data.ncl”,”c”)</div><div><font face="InputMono-Regular">ncout->Uwavghist = Uwavghist</font></div><div><font face="InputMono-Regular">ncout-></font>V<span style="font-family:InputMono-Regular">wavghist = Vwavghist</span></div><div><font face="InputMono-Regular">ncout->windwavghist = </font><span style="font-family:Menlo">windwavghist</span></div></div><div><br></div><div><br></div><div>the ftp server is also an option if the output ends up too big. </div><div><br></div><div><br></div><div><br></div><div>Alan</div><div><br></div><div><font face="InputMono-Regular"><br></font></div><div><div><br></div><div><br><div>
<div style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;word-wrap:break-word"><div style="color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;word-wrap:break-word"><span class="m_541382143273076623Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px"><div style="word-wrap:break-word">##############################<br>Alan Brammer,<div>Post-Doc Researcher</div><div><br></div><div>Department of Atmospheric and Environmental Sciences,<br>University at Albany, State University of New York, Albany, NY, 12222<div><a href="mailto:abrammer@albany.edu" target="_blank">abrammer@albany.edu</a><br>##############################</div></div></div></span></div></div>
</div><div><div class="h5">
<br><div><blockquote type="cite"><div>On 6 Jul 2017, at 14:05, Meina Wang <<a href="mailto:mnawang@ucdavis.edu" target="_blank">mnawang@ucdavis.edu</a>> wrote:</div><br class="m_541382143273076623Apple-interchange-newline"><div><div dir="ltr" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Dear Mary,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">Thank you very much for your reply, and for running the test case! The variable is</font><font face="arial, helvetica, sans-serif" style="font-family:arial,helvetica,sans-serif;font-size:12px"> not a very large one, and I also tried to do the vector </font><font face="arial, helvetica, sans-serif" style="font-family:arial,helvetica,sans-serif"><span style="font-size:12px">plot using "</span></font><span style="color:rgb(34,34,34);font-family:Menlo;font-size:12px">vcres@vcGlyphStyle </span><span style="color:rgb(34,34,34);font-family:Menlo;font-size:12px">= "CurlyVector"</span><font face="arial, helvetica, sans-serif" style="font-family:arial,helvetica,sans-serif"><span style="font-size:12px">" but also got the "</span></font><span style="color:rgb(34,34,34);font-family:Menlo;font-size:12px">Segmentation fault</span><span style="font-family:arial,helvetica,sans-serif;font-size:12px">". The </span><font face="arial, helvetica, sans-serif" style="font-family:arial,helvetica,sans-serif"><span style="font-size:12px">only option that works is the </span></font><span style="color:rgb(34,34,34);font-family:Menlo;font-size:12px">vcres@vcGlyphStyle </span><span style="color:rgb(34,34,34);font-family:Menlo;font-size:12px">= "WindBarb".<span class="m_541382143273076623Apple-converted-space"> </span></span><span style="color:rgb(34,34,34);font-size:12px"><font face="arial, helvetica, sans-serif">Please see below for the printVarSummary info and the resources setting. Thank you very much again for your help, and please let me know if you spot anything </font></span><font face="arial, helvetica, sans-serif"><span style="font-size:12px">suspicious.</span></font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Output from printVarSummary(Uwavghist):</div><div class="gmail_default"><div style="margin:0px;font-size:12px;font-family:Menlo">Variable: Uwavghist</div><div style="margin:0px;font-size:12px;font-family:Menlo">Type: float</div><div style="margin:0px;font-size:12px;font-family:Menlo">Total Size: 76800 bytes</div><div style="margin:0px;font-size:12px;font-family:Menlo"> 19200 values</div><div style="margin:0px;font-size:12px;font-family:Menlo">Number of Dimensions: 2</div><div style="margin:0px;font-size:12px;font-family:Menlo">Dimensions and sizes:<span class="m_541382143273076623gmail-Apple-tab-span" style="white-space:pre-wrap"> </span>[lat | 120] x [lon | 160]</div><div style="margin:0px;font-size:12px;font-family:Menlo">Coordinates: </div><div style="margin:0px;font-size:12px;font-family:Menlo"> lat: [30.0625..44.9375]</div><div style="margin:0px;font-size:12px;font-family:Menlo"> lon: [-132.9375..-113.0625]</div><div style="margin:0px;font-size:12px;font-family:Menlo">Number Of Attributes: 1</div><p style="font-family:Menlo;margin:0px;font-size:12px"></p><div style="margin:0px;font-size:12px;font-family:Menlo"> _FillValue :<span class="m_541382143273076623gmail-Apple-tab-span" style="white-space:pre-wrap"> </span>9.96921e+36</div><div style="margin:0px;font-size:12px;font-family:Menlo"><br></div><div style="margin:0px;font-size:12px"><font face="arial, helvetica, sans-serif">My resources setting:</font></div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres = True</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@gsnMaximize = True</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpOutlineOn = True</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpDataBaseVersion = "MediumRes" ; slightly better outlines</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpLandFillColor = "gray91"</div><div style="margin:0px;font-size:12px;font-family:Menlo">;---Data is regional</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@gsnAddCyclic = False</div><div style="margin:0px;font-size:12px;font-family:Menlo">;---Change the streamline levels</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stLevelSpacingF = 30.</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stLevelPalette = "ncl_default" ; "MPL_Spectral"</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stLineThicknessF = 5.0 ; default is 1.0</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stLevelSelectionMode = "ManualLevels"</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stMinLevelValF = 1</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stMaxLevelValF = 15.</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@stLevelSpacingF = 1.</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpMinLonF = min(lon) ; select a subregion</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpMaxLonF = max(lon)</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpMinLatF = min(lat)</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@mpMaxLatF = max(lat)</div><div style="margin:0px;font-size:12px;font-family:Menlo"> mpres@pmTickMarkDisplayMode = "Always" ; more detailed tickmarks</div><div style="margin:0px;font-size:12px;font-family:Menlo">printVarSummary(Uwavghist)</div><p style="margin:0px;font-size:12px"></p><div style="margin:0px;font-size:12px;font-family:Menlo"> plot4 = gsn_csm_vector_scalar_map_ce(<wbr>wks, Uwavghist,Vwavghist,<wbr>windwavghist,mpres)</div><div style="font-family:Menlo;margin:0px;font-size:12px"><br></div><div style="margin:0px;font-size:12px"><font face="arial, helvetica, sans-serif">Best regards,</font></div><div style="margin:0px;font-size:12px"><font face="arial, helvetica, sans-serif">Meina</font></div><p style="margin:0px"><span style="font-family:Menlo;font-size:12px"> </span></p></div></div><div class="gmail_extra" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br><div class="gmail_quote">On Thu, Jul 6, 2017 at 8:58 AM, Mary Haley<span class="m_541382143273076623Apple-converted-space"> </span><span dir="ltr"><<a href="mailto:haley@ucar.edu" target="_blank">haley@ucar.edu</a>></span><span class="m_541382143273076623Apple-converted-space"> </span>wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small">Hi Meina,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">One thing that might cause gsn_csm_streamline_scalar_map to seg fault is if you are trying to plot really large data arrays.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">It's always important to look at your data when NCL isn't plotting it correctly, and we recommend using "printVarSummary" for this.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">How big are U and V? Please insert a "printVarSummary" command and let us know what it reports:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">printVarSummary(U)</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Also, it would help to see how you are calling gsn_csm_streamline_scalar_map, and what resources you're setting.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I verified that a small test code works just fine, which I've attached here, along with the data file.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">--Mary</div><div class="gmail_default" style="font-size:small"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_541382143273076623h5">On Wed, Jul 5, 2017 at 6:14 PM, Meina Wang<span class="m_541382143273076623Apple-converted-space"> </span><span dir="ltr"><<a href="mailto:mnawang@ucdavis.edu" target="_blank">mnawang@ucdavis.edu</a>></span><span class="m_541382143273076623Apple-converted-space"> </span>wro<wbr>te:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div><div class="m_541382143273076623h5"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><div class="gmail_default" style="font-size:13px">Dear All,</div><div class="gmail_default" style="font-size:13px"><br></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)"><font face="arial, helvetica, sans-serif">I wanted to use the function "<span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.1"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.1">gsn</span></span>_<span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.2"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.2">csm</span></span>_streamline_scalar_map<wbr>" to plot wind streamline using U and V, with color-coded <span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.3"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.3">scaler</span></span> field <span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.4"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.4">sqrt</span></span>(<wbr>U^2+V^2), but got "segmentation fault". I then switched to function "</font><span style="font-family:Menlo;font-size:12px"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.5"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.5">gsn</span></span>_<span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.6"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.6">csm</span></span>_vector_scalar_map_<span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.7"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.7">ce</span></span>"<wbr> </span><font face="arial, helvetica, sans-serif"><span style="font-size:12px">to do wind barb plot instead using the same data and it worked well. I have previously used the streamline function and had no problem at all, so I'm wondering if any of you recently ran into the same "</span></font>segmentation fault" issue as I did. Is it the internal code of the function crashed? Thank you.</div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)"><br></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)">P.S. <font face="arial, helvetica, sans-serif" style="font-family:arial,helvetica,sans-serif">I'm using the <span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.8"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.8">NCL</span></span> version </font><span style="font-family:Menlo;font-size:12px">6.4.0. </span><font face="arial, helvetica, sans-serif"><span style="font-size:12px">and ran on Linux machine with </span><span style="font-size:12px"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.9"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.9">gcc</span></span> (<span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.10"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.10">Ubuntu</span></span> 4.8.4-2ubuntu<wbr>1~14.04.3) 4.8.4</span></font></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)"><br></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)">Best,</div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:13px;color:rgb(34,34,34)"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail-m_-5901914290479514070:29e.11"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.11">Meina</span></span></div></div><span class="m_541382143273076623m_4288852623629533841HOEnZb"><font color="#888888"><div><br></div>--<span class="m_541382143273076623Apple-converted-space"> </span><br><div class="m_541382143273076623m_4288852623629533841m_-2976305417731282082gmail_signature"><div dir="ltr"><div><div dir="ltr"><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)"><span id="m_541382143273076623m_4288852623629533841m_-2976305417731282082:2ay.12">Meina</span><span class="m_541382143273076623Apple-converted-space"> </span>Wang</font><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">PhD candidate in Atmospheric Science</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">Department of Land, Air and Water Resources</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">University of California, Davis</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">Davis, CA 95616</font></div></div></div></div></div></font></span></div><br></div></div>______________________________<wbr>_________________<br>ncl-talk mailing list<br><a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>List instructions, subscriber options, unsubscribe:<br><a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank">http://mailman.ucar.edu/mailma<wbr>n/listinfo/ncl-talk</a><br><br></blockquote></div><br></div></blockquote></div><br><br clear="all"><div><br></div>--<span class="m_541382143273076623Apple-converted-space"> </span><br><div class="m_541382143273076623gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">Meina Wang</font><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">PhD candidate in Atmospheric Science</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">Department of Land, Air and Water Resources</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">University of California, Davis</font></div><div><font size="2" face="arial, helvetica, sans-serif" style="background-color:rgb(255,255,255)">Davis, CA 95616</font></div></div></div></div></div></div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">______________________________<wbr>_________________</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span 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style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">http://mailman.ucar.edu/<wbr>mailman/listinfo/ncl-talk</a></div></blockquote></div><br></div></div></div></div></div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><font size="2" color="#000000" style="background-color:rgb(255,255,255)" face="arial, helvetica, sans-serif">Meina Wang</font><div><font size="2" color="#000000" style="background-color:rgb(255,255,255)" face="arial, helvetica, sans-serif">PhD candidate in Atmospheric Science</font></div><div><font size="2" color="#000000" style="background-color:rgb(255,255,255)" face="arial, helvetica, sans-serif">Department of Land, Air and Water Resources</font></div><div><font size="2" color="#000000" style="background-color:rgb(255,255,255)" face="arial, helvetica, sans-serif">University of California, Davis</font></div><div><font size="2" color="#000000" style="background-color:rgb(255,255,255)" face="arial, helvetica, sans-serif">Davis, CA 95616</font></div></div></div></div></div>
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