trackr (version 0.10.7)

nLayers<-: Accessors for the number of layers of GGplotFeatureSet objects

Description

Get or set the number of layers associated with a GGplotFeatureSet object. This should not be called directly.

Usage

nLayers(object) <- value
nLayers(object)
# S4 method for PlotFeatureSet
nLayers(object)
# S4 method for ggplot
nLayers(object)
# S4 method for trellis
nLayers(object)
# S4 method for gTree
nLayers(object)
# S4 method for GGplotFeatureSet
nLayers(object) <- value
# S4 method for GGplotFeatureSet
nLayers(object)

Arguments

object

An object of class GGplotFeatureSet. For accession, also plot objects of class ggplot.

value

An integer representing the number of layers in the plot.

Value

A modified object of class GGplotFeatureSet.

Examples

# NOT RUN {
library(ggplot2)
mt = datasets::mtcars
plt = qplot(mt$mpg, mt$cyl)
fs = makeFeatureSet(plt)
nLayers(fs)
# }