ggtern (version 1.0.6.1)

clipPolygons: Clip Polygons

Description

Using the using the PolyClip Package, This clips input polygons for use in the density and contour geometries.

Usage

clipPolygons(df, coord, plyon = c("level", "piece", "group"),
  op = "intersection")

Arguments

df

a data frame

coord

a ternary coordinate system

plyon

items in the data frame to pass to ddply argument

op

operation method to clip, intersection, union, minus or xor