saltonsea | R Documentation |
Coordinates of a recent Salton Sea shoreline
'data.frame'
: latitudes and longitudes outlining the shoreline
The first and last coordinates are equal, which means this can be treated as a polygon.
Digitized from Google-maps in Feb-2015 with http://www.birdtheme.org/useful/v3largemap.html
For more information on the Salton Sea:
http://en.wikipedia.org/wiki/Salton_Trough
yhs.catalog
plot(saltonsea, type='l', asp=1.19) points(Lat.deg ~ Lon.deg, yhs, pch=".") # first and last points are equal -- this is a polygon try(identical(c(saltonsea[1,]), c(saltonsea[nrow(saltonsea),])))
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