mcp.rast {adehabitat} | R Documentation |
mcp.rast
converts a polygon map to a raster map of class
asc
.
mcp.rast(poly, w)
poly |
a data frame with 2 columns giving the coordinates of a polygon object |
w |
an object of class kasc , or of class asc |
The raster map is needed to pass the format for the output raster object to the function.
Returns an object of class asc
.
Clement Calenge calenge@biomserv.univ-lyon1.fr
data(puechabon) toto <- puechabon$kasc loc <- puechabon$locs ## gets the coordinates of the relocations for the wild boar #1 wb1 <- loc[loc$Name == "Chou",] wb1 <- cbind(wb1$X, wb1$Y) nbpol <- chull(wb1) xycoord <- wb1[nbpol,] ## rasterization of wb1 tutu <- mcp.rast(xycoord, toto) image(tutu) polygon(xycoord, lwd = 2)