Description Usage Arguments Details Value See Also Examples
Crop a shape object (from class sf
, stars
, sp
, or raster
). A shape file x
is cropped, either by the bounding box of another shape y
, or by y
itself if it is a SpatialPolygons object and polygon = TRUE
.
1 | crop_shape(x, y, polygon = FALSE, ...)
|
x |
shape object, i.e. an object from class |
y |
bounding box, an |
polygon |
should |
... |
not used anymore |
This function is similar to crop
from the raster
package. The main difference is that crop_shape
also allows to crop using a polygon instead of a rectangle.
cropped shape, in the same class as x
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | if (require(tmap) && packageVersion("tmap") >= "2.0") {
data(World, NLD_muni, land, metro)
#land_NLD <- crop_shape(land, NLD_muni)
#qtm(land_NLD, raster="trees", style="natural")
metro_Europe <- crop_shape(metro, World[World$continent == "Europe", ], polygon = TRUE)
qtm(World) +
tm_shape(metro_Europe) +
tm_bubbles("pop2010", col="red", title.size="European cities") +
tm_legend(frame=TRUE)
}
|
sh: 1: cannot create /dev/null: Permission denied
sh: 1: cannot create /dev/null: Permission denied
Loading required package: tmap
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