A ggproto for drawing directional search points

This is a wrapper function used by explore_space_pca() and should be be called directly by the user

Usage

add_dir_search(dt, dir_size = 0.5, dir_alpha = 0.5, dir_color = NULL, ...)

Arguments

dt

A data object from the running the optimisation algorithm in guided tour

dir_size

numeric; the size of the directional search points in pseudo derivative search

dir_alpha

numeric; the alpha of the directional search points in pseudo derivative search

dir_color

the variable to be coloured by

...

other aesthetics inherent from explore_space_pca()

Value

a wrapper for drawing directional search points (used in pseudo derivative search) with buffer in explore_space_pca()

See also

Other draw functions: add_anchor(), add_anno(), add_end(), add_interp(), add_interp_last(), add_interrupt(), add_search(), add_space(), add_start(), add_theo()