This method prints objects of class plotSmooth.
# S3 method for plotSmooth
print(x, addLay = TRUE, ...)Returns NULL, invisibly.
an object of class plotSmooth.
if TRUE, and if the $empty slot of the plotSmooth object is TRUE
or NULL, we add some default layers to the plots, before printing. Does not have
any affect if the plotSmooth object already contains some layers (e.g. l_rug()).
currently unused.