piper.text {plotrix}R Documentation

Display a string on a Piper diagram.

Description

Displays a character string on the Piper diagram.

Usage

 piper.text(ca,mg,so4,cl,ions=data.frame(ca=ca,mg=mg,so4=so4,cl=cl),ptext,
  ppm=TRUE,cex=1,col=1,plot.sep=0.15,pos=4)

Arguments

ca,mg,so4,cl Concentrations of the ions.
ions data frame containing the above values.
ptext The character string.
ppm Whether the concentrations are in milligrams/liter (parts per million) or milliequivalents.
cex Expansion for the text.
col Colors for the text.
plot.sep The offsets.
pos The position of the string relative to the data point.

Value

nil

Author(s)

Mike Cheetham

See Also

piper.diagram


[Package plotrix version 2.7-2 Index]