sp (version 0.9-16)

degAxis: axis with degrees

Description

draw axes on a plot using degree symbols in numbers

Usage

degAxis(side, at, labels, ...)

Arguments

side
integer; see axis
at
numeric; if missing, axTicks is called for nice values; see axis
labels
character; if omitted labels are constructed with degree symbols, ending in N/S/E/W; in case of negative degrees, sign is reversed and S or W is added; see axis
...
passed to the actual axis call

Value

  • axis is plotted on current graph

Examples

Run this code
xy = cbind(x = 2 * runif(100) - 1, y = 2 * runif(100) - 1)
plot(SpatialPoints(xy, proj4string = CRS("+proj=longlat")),xlim=c(-1,1),ylim=c(-1,1))
degAxis(1)
degAxis(2, at = c(-1,-0.5,0,0.5,1))
#

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