interactive_threshold {magickGUI} | R Documentation |
interactive thresholding
Description
Using image_threshold of 'magick' interactively. threshold is a parameter of image_threshold. See reference manual of 'magick' for detail.
Usage
interactive_threshold(
image,
type = c("black", "white"),
channel = NULL,
resolution = 0.1,
return_param = FALSE,
scale
)
Arguments
image |
a magick image object |
type |
type of thresholding, either one of lat, black or white |
channel |
a value specifying which channel(s) to set |
resolution |
resolution of slider |
return_param |
If return_param is TRUE, returns threshold value. If return_param is FALSE, returns a magick image object. |
scale |
geometry to be passed to image_scale function of magick package. image is scaled just for preview and result image is not scaled if scale is given. |
Value
a magick image object or threshold value
Author(s)
Shota Ochi
Examples
if (interactive())
{
interactive_threshold(wizard)
}
[Package magickGUI version 1.3.1 Index]