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DDM (version 1.0-0)
inUSR: does a given pairlist of x and y coordinates fall within the plot region?
Description
Check to see if a point clicked falls in the plot or outside it. This function is used by
ggbChooseAges()
.
Usage
inUSR(USR, click)
Arguments
USR,
as given by
par("usr")
click
a pairlist with elements
$x
and
$y
, as returned by
locator(1)
Value
logical.
TRUE
if in the plot region.