[ncl-talk] Opacity for above and below 0 line filled index

[Ioana Colfescu]

On 29 October 2017 at 17:06, Rick Brownrigg <brownrig at ucar.edu> wrote:

> HI,
>
Hi,
It works ! Thanks very much,
Cheers,
Ioana

>
> I don't know offhand, but have you tried setting the
> Above/BelowYRefLineColor resources to an RGBa tuple? Ex:
>
> res at gsnAboveYRefLineColor = (/1., 0., 0., 0.3/)     ; "red" with opacity
> 0.3
> res at gsnBelowYRefLineColor = (/0., 0., 1., 0.3/)     ; "blue"  "
> "        "
>
> Hope that helps. If not, and if you can share your script, I'll look
> further into it (you can send it directly to me).
>
> Rick
>
> On Sun, Oct 29, 2017 at 10:41 AM, Ioana Colfescu <
> ioana.colfescu at ncas.ac.uk> wrote:
>
>> Hi,
>> I created the attached plot and I'd like to change the opacity of the
>> blue and the red colors in it.
>> I tried the suggestions I found online at https://www.ncl.ucar.edu/Appli
>> cations/rgbacolor.shtml ( ttied changing cnFillOpacityF
>> vcGlyphOpacityF, stLineOpacityF, gsFillOpacityF , gsLineOpacityF,
>> gsMarkerOpacityF, txFontOpacityF) but I did not get any change yet.
>> Does anyone know what the correct option I should use is ?
>> The relevant part of my code is below and the plot is attached.
>> Thanks,
>> Ioana
>>
>> res at gsnYRefLine      = 0.0
>> res at xyLineThicknessF = 3.0
>> res at gsnAboveYRefLineColor = "red"
>> res at gsnBelowYRefLineColor = "blue"
>> ;res at gsnXYFillOpacities = (/0.3,0.3,1.0/)
>> plot(0)  = gsn_csm_xy (wks,year, amoAnnSmth ,res)
>>
>>
>> *Ioana Colfescu  *
>> Research Scientist
>> National Centre for Atmospheric Science
>> School of Earth and Environment
>> University of Leeds
>>
>>
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>
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