Replace values with values from another object
Replace NA
or other values in SpatRaster x
with the values of SpatRaster y
For polygons: areas of x
that overlap with y
are replaced by y
or, if identity=TRUE
intersected with y
.
## S4 method for signature 'SpatRaster,SpatRaster' cover(x, y, values=NA, filename="", ...) ## S4 method for signature 'SpatVector,SpatVector' cover(x, y, identity=FALSE)
x |
SpatRaster or SpatVector |
y |
Same as |
values |
numeric. The cell values in |
filename |
character. Output filename |
... |
additional arguments for writing files as in |
identity |
logical. If |
SpatRaster
r1 <- r2 <- rast(ncols=36, nrows=18) values(r1) <- 1:ncell(r1) values(r2) <- runif(ncell(r2)) r2 <- classify(r2, cbind(-Inf, 0.5, NA)) r3 <- cover(r2, r1) p <- vect(system.file("ex/lux.shp", package="terra")) e <- as.polygons(ext(6, 6.4, 49.75, 50)) values(e) <- data.frame(y=10) #cv <- cover(p, e) #plot(cv, col=rainbow(12)) #ci <- cover(p, e, identity=TRUE) #lines(e, lwd=3) #plot(ci, col=rainbow(12)) #lines(e, lwd=3)
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