AddToHoldridge          Add elements to ternary or Holdridge plot
ColourTernary           Colour a ternary plot according to the output
                        of a function
HoldridgeHypsometricCol
                        Convert a point in
                        evapotranspiration-precipitation space to an
                        appropriate cross-blended hypsometric colour
HoldridgePlot           Plot life zones on a Holdridge plot
OutsidePlot             Is a point in the plotting area?
ReflectedEquivalents    Reflected equivalents of points outside the
                        ternary plot
TernaryApp              Graphical user interface for creating ternary
                        plots
TernaryContour          Add contours to a ternary plot
TernaryCoords           Convert ternary coordinates to Cartesian space
TernaryDensityContour   Add contours of estimated point density to a
                        ternary plot
TernaryPlot             Create a ternary plot
TernaryPointValues      Value of a function at regularly spaced points
TernaryTiles            Paint tiles on ternary plot
TernaryXRange           X and Y coordinates of ternary plotting area
TriangleCentres         Coordinates of triangle mid-points
XYToTernary             Cartesian coordinates to ternary point
cbPalettes              Palettes compatible with colour blindness
holdridge               Random sample of points for Holdridge plotting
holdridgeClasses        Names of the 38 classes defined with the
                        Holdridge system
