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map.sel.poly: Interactively select a polygon (grid graphics)...
Description
Interactively select a polygon (grid graphics)
Usage
sel.poly(pch=19, size=0.3, ...)
Arguments
pch
symbol to display the points of the polygon
size
size for polygon point symbol
...
further arguments for
grid.points
and
grid.lines
Value
n x 2 matrix with the points of the open polygon
Details
Click the points that should be connected as polygon. Input ends with right click (see
grid.locator
).
See Also
grid.locator