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Flip the values of a Raster* object by inverting the order of the rows (direction=y) or the columns direction='x'.
flip(x, direction, ...)
Raster* object
Character. 'y' or 'x'; or 1 (=x) or 2 (=y)
Additional arguments as for writeRaster
writeRaster
RasterLayer or RasterBrick
transpose: t, rotate
t
rotate
# NOT RUN { r <- raster(nrow=18, ncol=36) m <- matrix(1:ncell(r), nrow=18) values(r) <- as.vector(t(m)) rx <- flip(r, direction='x') values(r) <- as.vector(m) ry <- flip(r, direction='y') # }
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