BB_hor_distribution: Horizontal distribution of Brilliant Blue in Snow image

In Jorub/bluesnow:

Description

A simple function that processes the result of BB_filter and returns a vector with fractions over the length of an image of a sprinkling experiment with Brilliant Blue.

Usage

BB_hor_distribution(filtered_image, blue_selection = "all")

Arguments

filtered_image	the returned matrix of the function BB_filter with values 0, 1, 2 and 3
blue_selection	the blue to consider. By default, the value for blue_selection is 'all' 'all' (all blues) 'dark blue' (only dark blue), 'medium blue' (only medium blues) or 'light blue' (only light blues).

Value

Returns the vertical distribution of blue color as a vector.

Author(s)

Johanna Bloecher, [e-mail]

Examples

library(jpeg)
raw_image <- <- readJPEG(system.file("example.jpg", package = "bluesnow"))
## Apply filter to raw image data
BB_filtered_image <- BB_filter(rgb_image = raw_image)
BB_h_dist <- BB_hor_distribution(filtered_image = BB_filtered_image, blue_selection = 'all')
plot(BB_h_dist, xlab = "Width [Pixels]", ylab = "Fraction of Blue [-]")

Jorub/bluesnow documentation built on Oct. 30, 2019, 8:02 p.m.