[ncl-talk] contour plot: explicit tickmark labels and repositioning XBString

[Tabish Ansari]

I have now solved the issue by attaching coordinate arrays (0-120) and by
defining res at pmTitleZone.

Cheers,

Tabish

Tabish U Ansari
PhD student, Lancaster Environment Center
Lancaster Univeristy
Bailrigg, Lancaster,
LA1 4YW, United Kingdom


On Thu, 25 Apr 2019 at 16:47, Tabish Ansari <tabishumaransari at gmail.com>
wrote:

> It would also be great if I could superpose a grid of dotted lines
> (following the dimensions of the data, in this case 12x12) on top of the
> contour plot.
>
> Cheers,
>
> Tabish
>
> Tabish U Ansari
> PhD student, Lancaster Environment Center
> Lancaster Univeristy
> Bailrigg, Lancaster,
> LA1 4YW, United Kingdom
>
>
> On Thu, 25 Apr 2019 at 16:44, Tabish Ansari <tabishumaransari at gmail.com>
> wrote:
>
>> Hi
>>
>> I'm trying to make a contour plot from a 12x12 matrix which I'm reading
>> from a table. The x and y axes are automatically labelled from 0 to 12
>> based on the default index numbers of the data (0,11). However, I want to
>> explicitly define tickmark labels starting from 0 to 120 with each grid
>> representing a change of 10 units. I tried using *res at tmXBMode  =
>> "Explicit" and res at tmXBValues = ispan(0,120,10) *but that then shows
>> only two tickmarks (0 and 10) adapted to the index numbers. I have pasted
>> my script below and attached the plot.
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>> *load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"load
>> "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"beginncol = 2 ; THE TWO
>> COLUMNS REPRESENT 2 DAYS: 24TH AND 30TH OCTOBERdata =
>> readAsciiTable("/home/tabish/Emulation/EmulPreds_responsesurface_Run2.csv",
>> ncol, "float", 1); THIS WILL IGNORE THE 1ST ROW WHICH IS
>> HEADERdata at _FillValue = -999print("table read-in
>> successfully")printVarSummary(data);TRANSFORMING 144X1 STRUCTURE TO 12X12
>> STRUCTURE FOR CONTOUR PLOTc=0a = new((/12,12/),float)do i=0,11 do j=0,11
>> a(i,j) = data(c,0)  c = c+1 end doend do  wks = gsn_open_wks("x11","RS") ;
>> Send graphics to PNG file; Set up resources.  res                     =
>> True  res at gsnMaximize         = True  res at cnFillOn            = True
>> ; Turn on contour fill  res at cnFillPalette       = "amwg"      ; Set color
>> map  res at tiYAxisString       = "Parameter 2"  res at tiXAxisString       =
>> "Parameter 1"  res at cnFillMode          = "RasterFill"
>> res at cnLinesOn           = False  ;res at tmXBMode            = "Explicit"
>> ;res at tmXBValues = ispan(0,120,10)  plot = gsn_csm_contour(wks,a,res)  ;
>> Create filled contoursend*
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>> Also, I want to shift the X-axis label above the legendbar.
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>> Any help would be appreciated.
>>
>> Thanks,
>>
>> Tabish
>> Tabish U Ansari
>> PhD student, Lancaster Environment Center
>> Lancaster Univeristy
>> Bailrigg, Lancaster,
>> LA1 4YW, United Kingdom
>>
>
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