Re: Reduce density of streamlines

From: David Brown <dbrown_at_nyahnyahspammersnyahnyah>
Date: Mon, 5 Nov 2007 10:10:46 -0700

Hi Eric,

Look at the resources stLineStartStride or stMinDistanceF.

There is an explanation of their behavior at
http://www.ncl.ucar.edu/Document/HLUs/Classes/StreamlinePlot.shtml
under the heading "Streamline generation resources"

  -dave

On Nov 5, 2007, at 9:19 AM, Erik Noble wrote:

> Dear NCL,
>
> Could some help explain how to reduce the density when plotting
> streamlines?
> I am referring to the examples at
> http://www.ncl.ucar.edu/Applications/stream.shtml.
>
> Attached are two images I created using the NCL streamline functions
> (my code is attached as well).
>
> The first image created from WRF shows streamlines that are "way too
> dense" whereas the second image is easier to comprehend.
>
> I have already tried adjusting the various functions below, but i am
> not getting the desired result.
> stLineThicknessF = 1.5, Changes the line thickness
>
> stLineColor = "orange",changes the streamline color
>
>
> stArrowLengthF = 0.004, Changes the size of the arrows
>
> stMinArrowSpacingF = 0.004, Changes the arrow spacing
>
> Would anyone have any other suggestions here?
> Sincerely,
> Erik
> <Test-File-WRF-Streamlines.ncl>
> <WRFvsFNL_00UTC-700mb-Stream.>
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Received on Mon Nov 05 2007 - 10:10:46 MST

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