topright: A helper function to specify the stop region.

Description Usage Value

Description

topright invites the user to click the top-right corner of the plotting area, and stores the x and y values (in plot units) as xstop and ystop. These values are used by data().

Usage

1

Value

a list with x and y page coordinates


dankelley/imagedata documentation built on May 14, 2019, 4:09 p.m.