[ncl-talk] top x-axis label

[Adam Phillips]

Hi Ed,
Thank you for including an easy-to-follow script that shows your complete
resource list. To set the top tick marks differently than the bottom tick
marks, you need to set res at tmXUseBottom
<http://www.ncl.ucar.edu/Document/Graphics/Resources/tm.shtml#tmXUseBottom>
= False.
Note that the arrays passed to tmXBValues/tmXTValues need to be within the
range of your specified trXMinF/trXMaxF settings. (Your settings are indeed
within this range.)
Adam


On Wed, Apr 14, 2021 at 7:24 PM yang yang via ncl-talk <
ncl-talk at mailman.ucar.edu> wrote:

> Dear Sir/Madam:
>
> I would like to label the bottom and top x-axis, which are different.
> For the top-axis, I set:
>      res at tmXTMode          = "Explicit"
>      res at tmXTValues        =
> (/log10(2*3.14/1000000.),log10(2*3.14/500000.),log10(2*3.14/250000.),log10(2*3.14/100000.),log10(2*3.14/50000.)/)
>      res at tmXTLabels = (/"1000","500","250","100","50"/)
>
> For the bottom-axis, I set:
>      res at tmXBMode          = "Explicit"         ; explicit labels
>      res at tmXBValues        = (/-6,-5,-4,-3/)
>      res at tmXBLabels =
> (/"10~S~-6~N~","10~S~-5~N~","10~S~-4~N~","10~S~-3~N~"/)
>
> The label of the bottom axis can show as I want successfully. However, the
> top-axis does not show anything. I have checked codes and could not find
> any problems. Can you please sort this out for me? The plotting parameters
> are shown below.
> Thanks very much!
> Regards
> Ed
>
> ;************************************************
> ; plotting parameters
> ;************************************************
> wks_type = "png"
> wks_type at wkWidth = 1200
> wks_type at wkHeight = 1200
>
>  wks   = gsn_open_wks (wks_type,"ke-spectra")                 ; open
> workstation
>
>   res          = True                   ; plot mods desired
>   res at gsnFrame = False                  ; don't advance frame yet
>
>    res at xyLineThicknesses = (/2,2,2,2,2/)               ; make lines
> thicker
>    res at xyDashPatterns    = (/0,0,0,0,0/)      ; make all lines solid
>
>    res at xyLineColors      = (/"black","blue","green","red","yellow"/)
>      ; change line color
>
> res at xyMarkLineMode = "MarkLines"
>  res at xyMarkers      = (/0,0,0,0,0/)
>  res at xyMarkerColors = (/"black","blue","green","red","yellow"/) ;
>  different colors`
>   res at vpHeightF= 0.4                    ; change aspect ratio of plot
>   res at vpWidthF = 0.6
>   res at trYMinF  = 3.8                   ; min value on y-axis
>   res at trYMaxF  = 6.5                  ; max value on y-axis
>  res at trXMinF  = -6.                   ; min value on x-axis
>   res at trXMaxF  = -3.
>
>      res at tmXTMode          = "Explicit"
>      res at tmXTValues        =
> (/log10(2*3.14/1000000.),log10(2*3.14/500000.),log10(2*3.14/250000.),log10(2*3.14/100000.),log10(2*3.14/50000.)/)
>      res at tmXTLabels = (/"1000","500","250","100","50"/)
>
>      res at tmXBMode          = "Explicit"         ; explicit labels
>      res at tmXBValues        = (/-6,-5,-4,-3/)
>      res at tmXBLabels =
> (/"10~S~-6~N~","10~S~-5~N~","10~S~-4~N~","10~S~-3~N~"/)
>
>      res at tmYLMode          = "Explicit"
>      res at tmYLValues        = (/4.,5.,6./)
>      res at tmYLLabels = (/"10~S~4~N~","10~S~5~N~","10~S~6~N~"/)
>      res at tmXBLabelFontHeightF = 0.0205
>      res at tmXTLabelFontHeightF = 0.0205
>      res at tmYLLabelFontHeightF = 0.0225
>      res at tmYLLabelFont = "helvetica"
>      res at tmXBLabelFont = "helvetica"
>      res at tmXTLabelFont = "helvetica"
>   res at vpXF     = 0.2                  ; start plot at x ndc coord
>
>   res at tiYAxisString = "KE(kg m~S~-3~N~ m~S~2~N~ s~S~-2~N~)"  ; axis string
>
>   res at tiXAxisString = "k (radians m~S~-1~N~)"  ; axis string
>
>   res at tiMainString     = "11-16 km layer" ; title
>
> plot = gsn_csm_xy(wks,kf,log10(tke),res)
>
> end
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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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