[ncl-talk] Skew T wind barbs

Dennis Shea shea at ucar.edu
Thu Jun 16 16:01:45 MDT 2016


http://www.cgd.ucar.edu/~shea/skewt_func.ncl_640

Hope it works !!!   :-)

D

On Thu, Jun 16, 2016 at 3:26 PM, Kacie Shourd <Kacie.Shourd at dri.edu> wrote:

> Thanks, Dennis & Mary!
>
>
>
> The call:
>
>
>
>   wmsetp("BLW",3.0)
>
>
>
> did work for me.
>
>
>
> Dennis – is there somewhere to access the beta 6.4.0  skewt_func.ncl?
>
> I know how to get the beta contributed.ncl, but can’t find the
> skewt_func.ncl one.
>
>
>
>
>
> best,
>
> Kacie
>
> ---
>
>
>
> Kacie N. Shourd
>
> 드림
>
>
>
> Graduate Research Assistant
>
> Desert Research Institute
>
> Kacie.Shourd at dri.edu
>
> Work: (775) 674-7049
>
>
>
>
>
>
>
>
>
>
>
> *From:* Dennis Shea [mailto:shea at ucar.edu]
> *Sent:* Thursday, June 16, 2016 10:34 AM
> *To:* Mary Haley <haley at ucar.edu>
> *Cc:* Kacie Shourd <Kacie.Shourd at dri.edu>; ncl-talk at ucar.edu
> *Subject:* Re: [ncl-talk] Skew T wind barbs
>
>
>
> Hi Kacie
>
> I've added an attribute for the 'dataOpts' argument.
> This will be in the 6.4.0
>
> *skewt_func.ncl *dataOpts at DrawWindBarbThk = 2.0    ; default value is 1.0
>
> See Example 2 at:
>
>     http://www.ncl.ucar.edu/Applications/skewt.shtml
>
> The rightmost figure shows a (slightly) thicker wind barbs.
>
> Set as you see fit.
>
> Regards, D
>
>
>
> On Wed, Jun 15, 2016 at 3:41 PM, Mary Haley <haley at ucar.edu> wrote:
>
> Hi Kacie,
>
>
>
> I don't know much about the skewT code, but the wind barbs are being drawn
> with a call to "wmbarb". The wmbarb documentation:
>
>
>
> http://www.ncl.ucar.edu/Document/Functions/Built-in/wmbarb.shtml
>
>
>
> fails to mention the parameter "BLW", which increases line thickness (I'll
> fix the documentation shortly).
>
>
>
> Try adding this call:
>
>
>
> wmsetp("BLW",3.0)    ;  Default is 1.0
>
>
>
> I tried a value of 3.0 on a test code, and this was definitely thicker You
> might need to go higher.
>
>
>
> --Mary
>
>
>
>
>
> On Wed, Jun 15, 2016 at 10:56 AM, Kacie Shourd <Kacie.Shourd at dri.edu>
> wrote:
>
> Hi, NCL-talk!
>
>
>
> Is there a way to make the wind barbs in a given plot (specifically in the
> Skew T plot) thicker for easier visibility in a publication-sized image?
>
>
>
> I have tried the following, based on what I’ve found online, but nothing
> seems to work:
>
>
>
>       dataOpts at vcWindBarbLineThicknessF= 4.0
>
>       dataOpts at WindBarbLineThicknessF = 4.0
>
>
>
> I have also attempted to muck with this bit of code in the skew t
> background:
>
>       gsOpts = True
>
>       gsOpts at gsLineColor       = "Foreground"
>
>       gsOpts at gsLineThicknessF  = 1.5
>
>       gsOpts at gsLineDashPattern = 0
>
>       gsOpts at gsMarkerIndex     = 4   ; "hollow_circle"=> std pres
>
>       gsOpts at gsMarkerColor     = "Foreground"
>
>
>
> and
>
>       gsOpts at gsMarkerIndex     = 16     ; "circle_filled" -> Pibal
>
>       gsOpts at gsMarkerSizeF     = 0.007 ; 0.007 is default
>
>       gsOpts at gsMarkerThicknessF= 1.0    ; 1.0 is default
>
>
>
> but the markers referred to are the circles along at P & h levels along
> the y-axis. The line referred to is the axis itself.
>
>
>
> I can edit the thickness of every other line and marker I need, with the
> exception of the wind barb.
>
>
>
> In some of the supplemental Fortran documentation (
> http://www.ncarg.ucar.edu//supplements/wmap/index.html#HEADING1-139
> <http://www.ncarg.ucar.edu/supplements/wmap/index.html#HEADING1-139> )
> there is this from WMAP:
>
>
>
> *“WBS specifies the size of the wind barb shaft; WBT specifies the length
> of a wind barb full tick mark; BLW specifies the line width scale factor to
> use in drawing wind barb lines.”*
>
>
>
> Is there any way to access this functionality in NCL?
>
> Attached are my script, an updated skewT background script, and the
> current image output.
>
>
>
> Thanks in advance,
>
> Kacie
>
> ---
>
> Kacie N. Shourd
>
> 드림
>
>
>
> Graduate Research Assistant
>
> Desert Research Institute
>
> Kacie.Shourd at dri.edu
>
> Work: (775) 674-7049
>
>
>
>
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