S3 method plot for image_shp objects — plot.image_shp • pliman

Draws the bounding boxes for each object computed with image_shp().

Usage

# S3 method for class 'image_shp'
plot(
  x,
  img = NULL,
  col_line = "black",
  size_line = 2,
  col_text = "black",
  size_text = 0.75,
  ...
)

Arguments

x: An object computed with image_shp().
img: The image that was used to compute the shapefile (optional)
col_line, col_text: The color of the line/text in the grid. Defaults to "red".
size_line, size_text: The size of the line/text in the grid. Defaults to 2.5.
...: Currently not used.

Value

A NULL object

Examples

if (interactive() && requireNamespace("EBImage")) {
library(pliman)
flax <- image_pliman("flax_leaves.jpg")
shape <- image_shp(flax, nrow = 3, ncol = 5)

# grid on the existing image
plot(flax)
plot(shape)
}