[ncl-talk] TickMark resources

[Adam Phillips]

Hi Laura,
Take a look at the tickmark examples here:
http://www.ncl.ucar.edu/Applications/tickmarks.shtml
Specifically, see example #2.

For example, try adding this to your script:

 res at tmXBMode = "Explicit"
 res at tmXBValues = (/-150,-100,-50,0,50/)
 res at tmXBLabels = (/"150W","100W',"50W","0E","50E"/)
 res at tmXBMinorValues = ispan(-150,90,10)

Let ncl-talk know if you have any further questions.
Adam

On Sun, Apr 14, 2019 at 5:23 PM Laura Fowler <laura at ucar.edu> wrote:

> Hello:
>
> I would really like to modify the major tickmarks of the bottom axis of my
> longitude versus pressure cross sections (see plot1.png). On that plot, the
> bottom tickmarks are between 150E and 90W spanning every 15 degrees. I
> would like them to span between 150E and 90E but spanning every 10 degrees
> instead.
>
> I have two questions:
>
> 1) The latitudes of the bottom axis start at:
>
> Variable: lon (subsection)
>
> Type: double
>
> Total Size: 4816 bytes
>
>             602 values
>
> Number of Dimensions: 1
>
> Dimensions and sizes: [lon | 602]
>
> Coordinates:
>
>             lon: [149.9000091552734..270.1000061035156]
>
> Number Of Attributes: 2
>
>   long_name : longitude
>
>   units : degrees_east
>
> (0) 149.9000091552734
>
> (1) 150.1000061035156
>
> (2) 150.3000030517578
>
> (3) 150.5000152587891
>
> .
>
> .
>
> (597) 269.3000183105469
>
> (598) 269.5
>
> (599) 269.7000122070312
>
> (600) 269.9000244140625
>
> (601) 270.1000061035156
>
>
>
> so I am not sure which index is used to plot the major tickmarks (...,
> 180, 135W, and 90W). How do I get the index of the major tickmarks that are
> drawn?
>
>
>
> 2. I tried to use print(plot) to see how I could use "get values" but I
> did not see any reference to tickmarks that could help me out.
>
>
> Variable: plot
>
> Type: obj
>
> Total Size: 4 bytes
>
>             1 values
>
> Number of Dimensions: 1
>
> Dimensions and sizes: [1]
>
> Coordinates:
>
> Number Of Attributes: 2
>
>   contour : rh.lon_press.new_contour contourPlotClass 11
>
>   data : rh.lon_press.new_data scalarFieldClass 9
>
> (0) rh.lon_press.new_loglin logLinPlotClass 45
>
>
>
>
> Is there an other way to do this? Help very much appreciated.
>
>
> Thanks,
>
> Laura
>
>
>
>
>
>
>
>
> --
>
> !-------------------------------------------------------------------------------------------------------------
> Laura D. Fowler
>
> Mesoscale and Microscale Meteorology Division (MMM)
> National Center for Atmospheric Research
> P.O. Box 3000, Boulder CO 80307-3000
>
> e-mail: laura at ucar.edu
> phone: 303-497-1628
>
>
> !-------------------------------------------------------------------------------------------------------------
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-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
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