Message-ID: <CA+cZ=Yo_RVG18+==rcN8gfTnf1OG_dV1p=Za5_q3kTSyvd-dNQ@mail.gmail.com>
Date: 2016-08-04T08:51:22Z
From: Zun Yin
Subject: only plot borders of a region in a scatter plot
In-Reply-To: <CA+cZ=YqeKtuNvmYLVPnt_xSmaH5PHwQNy3WW2MpftscB+U49oA@mail.gmail.com>
?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
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