<div dir="ltr">The tm*Mode resources only work to alter the latitude/longitude labels on cylindrical equdistant projections.<div>Please see example #9 here:<div><div><a href="https://www.ncl.ucar.edu/Applications/mptick.shtml#ex9" target="_blank">https://www.ncl.ucar.edu/Applications/mptick.shtml#ex9</a><br></div><div>You will likely need to use the add_map_tickmarks function embedded in that example to get the labels you want. </div></div></div><div>Hope that helps!</div><div>Adam</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Oct 18, 2023 at 8:44 AM lzl lai via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu" target="_blank">ncl-talk@mailman.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"><div dir="ltr">Dear all, <div>I would like to ask how to change the longitude font from</div><div>119<font size="1">o</font>30E, 120o30E,...121o30E...(please see the attached figure) .</div><div> to 119.5E, 120.5E...,  121.5E..</div><div><br></div><div>when I try to use <span style="color:rgb(0,0,0)">res@tmXBMode   = "Explicit", and set </span>tmXBValues ,tmXBLabels</div><div><span style="color:rgb(0,0,0)">it shows "</span>MapPlotSetValues: tm[XB|XT|YL|YR]Mode resources are not currently enabled for MapPlot tick marks"</div><div><br></div><div>Thank you very much!</div><div><br></div><div>Sincerely</div><div><span style="color:rgb(0,0,0)"> </span></div></div>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div><span><font color="#888888">Adam Phillips <br></font></span></div><span><font color="#888888">Associate Scientist IV, Climate Analysis Section</font></span></div><div><span><font color="#888888">Climate and Global Dynamics Laboratory<br></font></span></div></div><div><span style="color:rgb(136,136,136)">National Center for Atmospheric Research</span><span><font color="#888888"><br></font></span></div><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli/" target="_blank">www.cgd.ucar.edu/staff/asphilli/</a> </font></span></div><span><font color="#888888"></font></span><div><div><span><font color="#888888"><br></font></span><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli" target="_blank"></a></font></span></div></div></div></div></div></div></div></div></div></div></div>