if(require(pixmap, quiet=TRUE)){
data(ggtortoises)
a1 <- ggtortoises$area
area.plot(a1)
rect(min(a1$x), min(a1$y), max(a1$x), max(a1$y), col = "lightblue")
invisible(lapply(split(a1, a1$id), function(x) polygon(x[, -1],col = "white")))
s.label(ggtortoises$misc, grid=FALSE,include.ori=FALSE,addaxes=FALSE,add.p=TRUE)
listico <- ggtortoises$ico[as.character(ggtortoises$pop$carap)]
s.logo(ggtortoises$pop,listico,add.p=TRUE)
}
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