[ncl-talk] Skew T wind barbs

[Kacie Shourd]

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<mailto: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<mailto: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<mailto: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<mailto:Kacie.Shourd at dri.edu>
Work: (775) 674-7049<tel:%28775%29%20674-7049>


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