# Re: Taylor diagram

From: Lei Meng <dream916_at_nyahnyahspammersnyahnyah>
Date: Tue Mar 08 2011 - 10:58:57 MST

Hi,
I just wonder why red 1 is not shaded in these following figures. It is a
not big issue, but it does not look consistent. Thanks,
Lei

On Sun, Mar 6, 2011 at 4:22 PM, Dennis Shea <shea@ucar.edu> wrote:

> The following illustrates how we handle negative values.
> http://www.cgd.ucar.edu/~shea/taylor_biasNegCC-1.png
> http://www.cgd.ucar.edu/~shea/taylor_biasNegCC-1.png
> The script is
> http://www.cgd.ucar.edu/~shea/taylor_diagram_cam.ncl
>
> ===
> (a) To have ratios as large as 100 is very unusual.
> Even more than 2 is unusual.
> (b) log scale: I am not sure how you would do this if
> there are negative values
>
> Can you change the code? Well, yes, I am sure you can.
> However, it will require you to become with some detailed aspects
> of the graphics
>
> Some numbers to chage
>
> xyMin = 0.
> xyOne = 1.00
> xyMax = 1.65
>
> ; default
> "OBS" or "REF"
> ;rxy@tmXBLabels = (/"0.00","0.25","0.50","0.75","REF"
> ,"1.25","1.50"/)
> rxy@tmXBLabels = (/" ","0.25","0.50","0.75","REF"
> ,"1.25","1.50"/)
> if (rOpts .and. isatt(rOpts,"OneX") ) then ; eg:
> rOpts@OneX="1.00"
> ;rxy@tmXBLabels = (/"0.00","0.25","0.50","0.75",rOpts@OneX
> ,"1.25","1.50"/)
> rxy@tmXBLabels = (/" ","0.25","0.50","0.75",rOpts@OneX
> ,"1.25","1.50"/)
> end if
>
> rxy@tmXBMajorLengthF = 0.015 ; default=0.02 for a vpHeightF=0.6
> rxy@tmXBLabelFontHeightF = FontHeightF
> rxy@tmXBMinorOn = False
> rxy@trXMaxF = xyMax_Panel
>
> rxy@tmYLMode = "Manual"
> rxy@tmYLMinorOn = False
> rxy@tmYLMajorLengthF = rxy@tmXBMajorLengthF
> rxy@tmYLLabelFontHeightF = FontHeightF
> rxy@tmYLMode = "Explicit"
> rxy@tmYLValues = (/0.0, .25,0.50, 0.75, 1.00, 1.25, 1.5/) ; major
> tm
> rxy@tmYLLabels =
> (/"0.00","0.25","0.50","0.75","1.00","1.25","1.50"/)
> ;rxy@tmYLLabels = (/"
> ","0.25","0.50","0.75","1.00","1.25","1.50"/)
>
>
>
>
> On 3/6/11 12:50 PM, Lei Meng wrote:
>
>> Hi,
>> I wonder if I can change the range of standardized deviation on a
>> Taylor diagram. All examples on the ncl-ncar website show a range of
>> 0-1.6. I am trying to plot a very large range of values on x-y axis
>> (from 0 to more than 100). log scale on x-y axis would be better. How
>> can I make x-y axis on the diagram starting from negative values. I made
>> some changes to taylor_diagram.ncl, but did not work. Thanks,
>> Lei
>>
>>
>>
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>

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Received on Tue Mar 8 10:59:07 2011

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