<div dir="ltr"><div class="gmail_default" style="font-size:small">Hi Guido,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Could you email me the exact error message? I'm curious if there's something we can improve on our end. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Karin's suggested method should work, as long as the tmXBValues that you give it correspond with the actual values on your X axis. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">There are some cases where the plotting function tries to label the axes for you in a certain way (like if call gsn_csm_contour and you have longitude values on the X axis), but most of them should allow you to overwrite this with tmXBValues/tmXBLabels without complaining.</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 class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, May 17, 2017 at 5:33 AM, Guido Cioni <span dir="ltr"><<a href="mailto:guidocioni@gmail.com" target="_blank">guidocioni@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 style="word-wrap:break-word">That method didn't work for me sometimes as it was complaining because the variable that I was plotting had lat/lon attributes attached. But it should work most of the times.<div>Cheers</div><div><div class="h5"><div><br><div><blockquote type="cite"><div>On 17 May 2017, at 12:55, Karin Meier-Fleischer <<a href="mailto:meier-fleischer@dkrz.de" target="_blank">meier-fleischer@dkrz.de</a>> wrote:</div><br class="m_9101266645884621539Apple-interchange-newline"><div>
<div bgcolor="#FFFFFF" text="#000000">
Hi Cunbo and Guido,<br>
<br>
the simple way to do that is:<br>
<br>
<font color="#3333ff"><tt> xvalues = (/ -10, -5, 0,
5, 10/)</tt><tt><br>
</tt><tt> xlabels = (/"-10km", "-5km", "0km", "5km", "10km"/)</tt><tt><br>
</tt><tt> </tt><tt><br>
</tt><tt> res@tmXBMode = "Explicit" ;-- set x-axis
labeling to explicit</tt><tt><br>
</tt><tt> res@tmXBValues = xvalues ;-- values for
x-axis tickmarks</tt><tt><br>
</tt><tt> res@tmXBLabels = xlabels ;-- set labels equal
to values (type string)</tt></font><br>
<br>
Bye,<br>
Karin<br>
<br>
<div class="m_9101266645884621539moz-cite-prefix">Am 17.05.17 um 09:45 schrieb Guido
Cioni:<br>
</div>
<blockquote type="cite">
Hey Cunbo,
<div>that's a problem that I faced many times and I
haven't found a clean solution, yet. All the methods that I've
used to manually define the labels have failed somehow. The
"easy" solution that I'm using now is to define a new variable
for your axis and then use that for plotting.</div>
<div><br>
</div>
<div>I believe you also have, like me, some coordinate
informations in the x and y axis although the domain is
idealized, that is defined only in terms of grid resolution,
right? So what I've done was:</div>
<div><br>
</div>
<div><font face="Menlo" size="1">; 1 - defining
the half-lenght of the two axis (in your case 10 km)</font></div>
<div>
<div><font face="Menlo" size="1">half_lenght_x=10.</font></div>
</div>
<div>
<div><font face="Menlo" size="1">half_lenght_y=10.</font></div>
</div>
<div><font face="Menlo" size="1"><br>
</font></div>
<div><font face="Menlo" size="1">; 2 - manually
compute the two axis as km</font></div>
<div><font face="Menlo" size="1">; using the
longitude and latitude arrays from</font></div>
<div><font face="Menlo" size="1">; your input
File</font></div>
<div><font face="Menlo" size="1"><br>
</font></div>
<div>
<div><font face="Menlo" size="1"> dist_x:=(half_lenght_x/180.)*<wbr>(File->lon)</font></div>
<div><font face="Menlo" size="1"> dist_x@units=
"km"</font></div>
<div><font face="Menlo" size="1"> dist_x@long_name
= "Distance"</font></div>
<div><font face="Menlo" size="1"> dist_x@standard_name
= "distance"</font></div>
<div><font face="Menlo" size="1"><br>
</font></div>
<div>
<div><font face="Menlo" size="1"> dist_y:=(half_lenght_y/90.)*(<wbr>File->lat)</font></div>
<div><font face="Menlo" size="1"> dist_y@units=
"km"</font></div>
<div><font face="Menlo" size="1"> dist_y@long_name
= "Distance"</font></div>
<div><font face="Menlo" size="1"> dist_y@standard_name
= "distance"</font></div>
</div>
<div><font face="Menlo" size="1"><br>
</font></div>
<div><font face="Menlo" size="1">; 3 - use
these two variables, which will have the same dimension as
the coordinate variables, to plot</font></div>
<div><font face="Menlo" size="1"> ResC@sfXArray
:= dist_x</font></div>
<div><font face="Menlo" size="1"> ResC@sfYArray
:= dist_y </font></div>
</div>
<div><br>
</div>
<div>Note that you will need to remove any reference to
the old coordinate variables from the variable that you're
plotting (so any attribute...).</div>
<div><br>
</div>
<div>Hope that helps</div>
<div><br>
<div>
<blockquote type="cite">
<div>On 17 May 2017, at 09:28, Cunbo HAN <<a href="mailto:hancbo@gmail.com" target="_blank">hancbo@gmail.com</a>> wrote:</div>
<br class="m_9101266645884621539Apple-interchange-newline">
<div>
<div style="word-wrap:break-word">Dear
ncl-talk,<br>
<br>
I am doing a contour plot with “gsn_csm_contour_map” and
I want to setup XY labels manually. Like in the attached
plot, how can I change the XBLabels “10w, 5w, 0, 5E,
10E” to “-10km, -5km, 0km, 5km, 10km “? Does anyone know
how to modify this? Thanks very much!
<div><br>
</div>
<div>Best,</div>
<div>Cunbo
<div><br>
</div>
<div><br>
</div>
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