Interactively Define a Rectangle
Allows the user to specify a rectangle by point-and-click in the display.
- Logical value indicating whether to create a new plot
add=FALSE) or draw over the existing plot (
This function allows the user to create a rectangular window by interactively clicking on the screen display.
The user is prompted to point the mouse at any desired locations for two corners of the rectangle, and click the left mouse button to add each point.
The return value is a window (object of class
representing the rectangle.
This function uses the Rcommand
input the mouse clicks. It only works on screen devices such as
- A window (object of class
"owin") representing the selected rectangle.