[R] Fwd: only plot borders of a region in a scatter plot
bgunter.4567 at gmail.com
Thu Aug 4 17:09:52 CEST 2016
... note the typo. It's:
contour( basiinID == ID, level=0.5)
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Thu, Aug 4, 2016 at 8:03 AM, William Dunlap via R-help
<r-help at r-project.org> wrote:
> 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:
>> 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.
>> Zun Yin
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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