Detect Mouse Click on Image Display — click • Rvision

click display an image in a new or existing display window and waits for a mouse click on the display window to be detected.

Usage

click(image, scale = 1, window_name = "Display")

Arguments

image: An Image object.
scale: The scaling of the display relative to the image size (default: 1).
window_name: A character string representing the name of the display window (default: "Display").

Value

A data frame with the following 3 columns:

x:: the x coordinate of the mouse click.
y:: the y coordinate of the mouse click.
button:: the mouse button that was pressed (0: left button; 1: right button.)

See also

Image, newDisplay, display

Author

Simon Garnier, garnier@njit.edu

Examples

if (FALSE) { # \dontrun{
balloon <- image(system.file("sample_img/balloon1.png", package = "Rvision"))
click(balloon)
} # }