[ncl-talk] Questions on overlay Vector Plot (Legend, XAxis and CurlyVector Density)

Dave Allured - NOAA Affiliate dave.allured at noaa.gov
Mon Sep 28 11:52:00 MDT 2020


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> 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> 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
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.ucar.edu/pipermail/ncl-talk/attachments/20200928/4680edf9/attachment.html>


More information about the ncl-talk mailing list