Identify points in a triangulation plot

Identify points in a plot of "x" with its coordinates. The plot of "x" must be generated with plot.tri.

Usage

# S3 method for class 'triSht'
identify(x,...)

Arguments

x

object of class triSht

...

additional paramters for identify

Value

an integer vector containing the indexes of the identified points.

Author

Albrecht Gebhardt <[email protected]>, Roger Bivand <[email protected]>

See also

triSht, print.triSht, plot.triSht, summary.triSht

Examples

if (FALSE) { # \dontrun{
data(franke)
tr <- tri.mesh(franke$ds3$x, franke$ds3$y)
plot(tr)
identify(tr)
} # }