plot.point {sgeostat}

Plot Point Objects

Description

Plot the spatial locations in a point object, optionally coloring by quantile.

Usage

## S3 method for class 'point'
plot(x, v, legend.pos=0,axes=TRUE,xlab='',ylab='', add=FALSE, ...) 

Arguments

x

a point object generated by point()

v

an optional variable name, if entered will divide the points into quantiles and color using 4 colors

legend.pos

position of legend (0 - none, 1 - bottom-left, 2 -bottom-right, 3 - top-right, 4 - top-left), requires Lang(v)

axes

logical, whether to plot axes

xlab, ylab

axes labels, default none

add

usefull for overlaying images with a point plot

...

additional arguments for plot

Value

NULL

References

http://www.gis.iastate.edu/SGeoStat/homepage.html

See Also

point

Examples

plot(maas.point) 
plot(maas.point,v='zinc') 
plot(maas.point,v='zinc',xlab='easting',ylab='northing',axes=TRUE,legend.pos=4)
# plot additionally the maas bank:
data(maas.bank)
lines(maas.bank)