flip {sp} | R Documentation |
rearrange data in SpatialPointsDataFrame or SpatialGridDataFrame for plotting with spplot (levelplot/xyplot wrapper)
Description
rearrange SpatialPointsDataFrame for plotting with spplot or levelplot
Usage
flipHorizontal(x)
flipVertical(x)
Arguments
x |
object of class SpatialGridDataFrame |
Value
object of class SpatialGridDataFrame, with pixels flipped horizontally or vertically. Note that the spatial structure is destroyed (or at least: drastically changed).
Author(s)
Michael Sumner
Examples
data(meuse.grid) # data frame
gridded(meuse.grid) = c("x", "y") # promotes to
fullgrid(meuse.grid) = TRUE
d = meuse.grid["dist"]
image(d, axes=TRUE)
image(flipHorizontal(d), axes=TRUE)
image(flipVertical(d), axes=TRUE)
[Package sp version 2.1-4 Index]