Get the Order of the Display

In loon, if points (in scatter plot) or lines (in parallel or radial coordinate) are highlighted, the displayed order will be changed. This function always reflects the current displayed order

get_model_display_order(widget)

Arguments

widget	An l_plot or l_serialaxes widget

Examples

if(interactive()) {
  p <- l_plot(rnorm(10))
  get_model_display_order(p)
  p['selected'][c(1,3,5,7)] <- TRUE
  # The 1st, 3rd, 5th, 7th points will be drawn afterwards
  # to make sure that they are displayed on top
  get_model_display_order(p)
}