gauge_opacity: Gauge opacity

In JohnCoene/g2r: Grammar of Graphics for Interactive Visualisations

Description

Gauge opacity.

Usage

gauge_opacity(g2, callback = NULL)

Arguments

g2	An object of class g2r as returned by g2r.
callback	A JavaScript callback function (see cb) which returns a color.

Examples

func <- cb("function(dist){
  if(dist > 60)
    return 1
  return .3
}")

g2(cars, asp(speed, dist, opacity = dist)) %>% 
  fig_point() %>% 
  gauge_opacity(callback = func)

JohnCoene/g2r documentation built on March 6, 2021, 8:11 p.m.