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" )
character vector of length 1, naming the column containing volume fraction data (horizon-level attribute)
integer, resolution of the grid used to symbolize volume fraction
minimum symbol size
maximum symbol size
integer, plotting character code
symbol color, either a single color or as many colors as there are horizons in
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.