Get the alpha level — calculate

A wrapper for calculate_alpha_wo_fill() with 0 alpha values for non filled parts.

Usage

calculate_alpha(level, fill)

Arguments

level: An integer level of the sunburst plot.
fill: A character vector (or a factor) with the fill levels.

Value

A number between 0.5 and 1. The maximum value is 1 (lowest/innermost level) and the minimum value is 0.5 (highest/outermost level). 0 if the fill is NA.

Details

The value of the fill is not important. The only importance of the argument is to check if the fill is missing or not.