getpoly | R Documentation |
Draw a polygon on the current graphics device
getpoly(quiet=FALSE)
quiet |
if TRUE, don't prompt for input of a polygon. |
The system prompts the user to enter points on the current graphics device using the mouse or other pointing device. The points are joined on the screen with the current line symbol. A polygon of the points entered is drawn on the current graphics device.
A polygon data set consisting of the points entered. The current coordinate system is used.
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.
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