[ncl-talk] Questions on overlay Vector Plot (Legend, XAxis and CurlyVector Density)
LSL
lslrsgis at whu.edu.cn
Mon Sep 28 19:00:41 MDT 2020
Thanks for the useful advise and link:) It is helpful to learn
additional control on vectors.
LSL
On 2020/9/29 上午1:52, Dave Allured - NOAA Affiliate wrote:
> You can also thin vectors by subsampling or "striding" the data grid.
> I have used this method with good results. This is somewhat different
> than the effect with vcMinDistanceF. The subsampling method gives
> explicit control over which rows and columns are plotted. See and
> compare both methods in example 4 on the Vector Effects page:
> https://www.ncl.ucar.edu/Applications/veceff.shtml
>
>
> On Mon, Sep 28, 2020 at 11:28 AM Adam Phillips via ncl-talk
> <ncl-talk at mailman.ucar.edu <mailto:ncl-talk at mailman.ucar.edu>> wrote:
>
> Hello,
> 1) Set vcRefAnnoString2 = "Vector" or ""
> http://www.ncl.ucar.edu/Document/Graphics/Resources/vc.shtml#vcRefAnnoString2
>
> 2) tiXAxisOffsetYF = 0.05 ; you will likely have to try
> different settings to get the exact positioning you want
> http://www.ncl.ucar.edu/Document/Graphics/Resources/ti.shtml#tiXAxisOffsetYF
>
> 3) The best option is usually to set vcMinDistanceF. See example
> #3 here:
> http://www.ncl.ucar.edu/Applications/vector.shtml#ex3
> http://www.ncl.ucar.edu/Document/Graphics/Resources/vc.shtml#vcMinDistanceF
>
> Hope that helps!
> Adam
>
>
> On Mon, Sep 28, 2020 at 6:24 AM LSL via ncl-talk
> <ncl-talk at mailman.ucar.edu <mailto:ncl-talk at mailman.ucar.edu>> wrote:
>
> Dear NCL community,
>
> Three questions for a overlay(contour, vector) plot:
>
> (1) How to make "Reference Vector" in legend's upperright side as
> "Vector" or nothing?
>
> (2) How to make Longitude (X axis title) higher than colorbar
> of contour
> T2?
>
> (3) How to make the CurlyVector less dense?
>
> Thanks in advance,
>
> LSL
>
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