[R] Visualising Vectors

Sean O'Riordain seanpor at acm.org
Mon Nov 3 15:59:40 CET 2003

Hi Laura,

you should find some useful information in the latest R news Volume 3/2, 
October 2003

refer page 8 where Paul's figure 2 shows some novel symbols showing 
"China Sea Wind Speed, Direction and Temperature"... plotted by lat.&long.


Laura Quinn wrote:
> I sent a mail last week asking for some advise in relation to displaying
> wind vectors on a contour map of a region. Whilst I have had some useful
> feedback relating to the second part of this question (namely how to
> animate a time series of still frames), I haven't recieved any advise on
> how I might create the still images of the spatially distributed wind
> vector data at any given time point.
> Firstly, is there a way in which I can input orographical information
> (x,y,z co ords) into R to create a map, secondly, is there a way in which
> i can superimpose a visual wind vector (i.e. arrow of certain length and
> certain orientation) onto such a map?
> thanks in advance,
> Laura

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