Add points interactively to a point data set

Add points interactively to a point data set.

addpoints(pts,plot=FALSE,quiet=FALSE)

Arguments

pts

A points data set.

plot

if true, plot the pts data, using pointmap. If false, or if pts is missing, don't plot the data.

quiet

if true, don't print a prompt to enter points.

Value

A points data set consisting of pts and the points entered on the current graphics device.

Details

The points entered are displayed on the current graphics device.

See also

delpoints

References

Rowlingson, B. and Diggle, P. 1993 Splancs: spatial point pattern analysis code in S-Plus. Computers and Geosciences, 19, 627-655; the original sources can be accessed at: https://www.maths.lancs.ac.uk/~rowlings/Splancs/. See also Bivand, R. and Gebhardt, A. 2000 Implementing functions for spatial statistical analysis using the R language. Journal of Geographical Systems, 2, 307-317.