overlapptest (version 1.4)

Astragalus: Astragalus and Sesleria Plants

Description

Oulines of the individuals of Astragalus sempervirens and Sesleria albicans present in a 2 x 2 m plot in the Pyrenean montains.

Usage

data("Astragalus")
data("Sesleria")

Format

Each object is a multiple-polygon window with the format owin of spatstat.

Examples

data(Astragalus)
Astragalus
plot(Astragalus)
# total area covered by Astragalus
area.owin(Astragalus)
# number of individual polygons
length(Astragalus$bdry)
# area of each individual 
sapply(Astragalus$bdry, function(x) area.owin(owin(poly=x)))