render_bw: Render Black and White
In rayimage: Image Processing for Simulated Cameras

render_bw

R Documentation

Render Black and White

Description

Transforms an image to black and white, preserving luminance.

Usage

render_bw(
  image,
  rgb_coef = c(0.2126, 0.7152, 0.0722),
  filename = NULL,
  preview = FALSE
)

Arguments

`image`	Image filename, 3-layer RGB array, or matrix.
`rgb_coef`	Default `c(0.2126, 0.7152, 0.0722)`. Length-3 numeric vector listing coefficients to convert RGB to luminance.
`filename`	Default `NULL`. The filename of the image to be saved. If this is not given, the image will be plotted instead.
`preview`	Default `FALSE`. Whether to plot the convolved image, or just to return the values.

Value

3-layer RGB resized array or matrix.

Examples

if(run_documentation()){
#Plot the image with a title
dragon |>
 add_title("Dragon", title_offset=c(10,10), title_bar_color="black",
           title_size=20, title_color = "white") |>
 render_bw(preview = TRUE)
}

rayimage documentation built on Sept. 11, 2024, 8:13 p.m.