flip: rearrange data in SpatialPointsDataFrame or...

In sp: Classes and Methods for Spatial Data

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)

sp documentation built on May 29, 2024, 5:33 a.m.