[R] legend for vectorplot in rasterVis

[Adrienne Wootten]

Jim,

Thanks!  Interestingly when working with lengthKey it gives me an error
that plot.new hasn't been called after the plot has been created with
vectorplot.  Really bizarre to me.

A

On Tue, Mar 1, 2016 at 5:22 AM, Jim Lemon <drjimlemon at gmail.com> wrote:

> Hi Adrienne,
> I'm not sure if this will help, but lengthKey in the plotrix package
> will display a scale showing the relationship of vector length to
> whatever numeric value is being displayed. However, you do have to
> sort of the scaling manually.
>
> Jim
>
>
> On Tue, Mar 1, 2016 at 7:30 AM, Adrienne Wootten <amwootte at ncsu.edu>
> wrote:
> > All,
> >
> > Your help with this is greatly appreciated!
> >
> > I'm working with the vectorplot function in rasterVis to produce wind
> > vector maps (pretty much like the code in here -
> > https://rpubs.com/alobo/vectorplot), but I was wondering about a legend.
> >
> > The vectors that vectorplot produces are wonderful.  What I'm trying to
> do
> > is get a scale legend to go with it.  In other words, have a vector
> outside
> > the main plot which provides a point of reference for the vectors in the
> > plot.  Something alike to what GrADS does (for those familiar), is what
> I'm
> > hoping to get to (for an example, the first chart on this page
> > http://www.wishingwork.com/grads/graphics-controls/vector-graphics.html)
> >
> > I haven't seen this done yet with R, at least not from what I could find
> > with all the forums.  If anyone has an idea on how to do this, I
> > tremendously appreciate it!
> >
> > Thanks all!
> >
> > Adrienne
> >
> > --
> > Adrienne Wootten
> > Ph.D Candidate / Graduate Research Assistant
> > State Climate Office of North Carolina
> > Department of Marine, Earth and Atmospheric Sciences
> > North Carolina State University
> >
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> >
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>



-- 
Adrienne Wootten
Ph.D Candidate / Graduate Research Assistant
State Climate Office of North Carolina
Department of Marine, Earth and Atmospheric Sciences
North Carolina State University

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