sp (version 2.1-3)

flip: 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)

Value

object of class SpatialGridDataFrame, with pixels flipped horizontally or vertically. Note that the spatial structure is destroyed (or at least: drastically changed).

Arguments

x

object of class SpatialGridDataFrame

Author

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)