ggshadow - Shadow and Glow Geoms for 'ggplot2'

A collection of Geoms for R's 'ggplot2' library. GeomShadowLine, GeomShadowPath, GeomShadowPoint, and GeomShadowStep support drawing a shadow below lines or around points to make busy plots more aesthetically pleasing. GeomGlowLine, GeomGlowPath, GeomGlowPoint, and GeomGlowStep support adding neon glow around lines or points to get a steampunk style.