hay2needle: Cut off a part of image from a whole image.
In screenshot: Take Screenshots (Screen Capture) from R Command

hay2needle

R Documentation

Cut off a part of image from a whole image.

Description

Cut off a part of image from a whole image.

Usage

hay2needle(haystack_image, pos_x, pos_y, w = 50, h = 20)

Arguments

`haystack_image`	An image of cimg.
`pos_x`, `pos_y`	A numeric to indicate the top left corner of cutting image. When NULL, position will be randomly sampled.
`w`, `h`	A numeric for width or height of the cutting image.

Value

          An image of cimg object.

Examples

haystack_image <- imager::load.example("parrots")
needle_image <- hay2needle(haystack_image, 200, 250, 100, 50)
layout(c(1:2))
plot(haystack_image)
plot(needle_image)

screenshot documentation built on June 22, 2024, 10:30 a.m.