Flip
Flip the values of a Raster* object by inverting the order of the rows (direction=y) or the columns direction='x'.
## S4 method for signature 'RasterLayer' flip(x, direction='y', filename='', ...) ## S4 method for signature 'RasterStackBrick' flip(x, direction='y', filename='', ...)
x |
Raster* object |
direction |
Character. 'y' or 'x'; or 1 (=x) or 2 (=y) |
filename |
character. Output filename (optional) |
... |
if |
RasterLayer or RasterBrick
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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