Symbolize volume fraction on an existing soil profile collection plot.

addVolumeFraction(
x,
colname,
res = 10,
cex.min = 0.1,
cex.max = 0.5,
pch = 1,
col = "black"
)

## Arguments

x

a SoilProfileCollection object

colname

character vector of length 1, naming the column containing volume fraction data (horizon-level attribute)

res

integer, resolution of the grid used to symbolize volume fraction

cex.min

minimum symbol size

cex.max

maximum symbol size

pch

integer, plotting character code

col

symbol color, either a single color or as many colors as there are horizons in x

## Details

This function can only be called after plotting a SoilProfileCollection object. Details associated with a call to plotSPC are automatically accounted for within this function: e.g. plot.order, width, etc..

plotSPC