[R] Fwd: only plot borders of a region in a scatter plot

William Dunlap wdunlap at tibco.com
Thu Aug 4 17:03:28 CEST 2016

If 'basinID' is the matrix of basin identifiers you could draw an outline
of the basin with identifier 'ID' with
   coutour( basiinID == ID, level=0.5)
Add 'add=TRUE' if you are overlaying this on an existing plot.

Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Thu, Aug 4, 2016 at 1:51 AM, Zun Yin <yinzun2000 at gmail.com> wrote:

> ​D​
> ear all,
> I have a matrix with ID of river basins (integer numbers). Now I want to
> highlight one river basin in a map by plotting only the border. Like the
> attached figure. Two river basins are highlighted by polygons. It is
> created by ferret, but I prefer to implement it by R. Anybody know how to
> do it? Thanks a lot.
> Cheers,
> Zun Yin
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

	[[alternative HTML version deleted]]

More information about the R-help mailing list