splancs: addpoints – R documentation

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Documentation

splancs

addpoints

Add points interactively to a point data set

Description

Add points interactively to a point data set.

Usage

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.

Details

The points entered are displayed on the current graphics device.

Value

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

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.