[ncl-talk] dividing color map to intervals

[Dennis Shea]

Please read NCL documentation.

NCL automatically spans all color maps.

  res at cnLevelSelectionMode = "ManualLevels"     ; set manual contour levels
  res at cnMinLevelValF       =                    ; set min contour level
  res at cnMaxLevelValF       =                    ; set max contour level
  res at cnLevelSpacingF      =                    ; set contour spacing



On Thu, Nov 21, 2019 at 8:11 PM M P via ncl-talk <ncl-talk at ucar.edu> wrote:

> Hello,
> I define a colormap as
>
> gsn_define_colormap(wks,"WhiteBlueGreenYellowRed")
>
> I want to divide it into e.g. 20 equal intervals so I can plot data in
> different ranges
> with different colors.
>
> Can you help how to e.g. create an array colors[i] that would span the
> whole range? Or there is another way to do it?
>
> Thanks,
> Mark
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