Package index • Ternary

Creating ternary plots

Functions for plotting straightforward data onto a ternary plot.

TernaryApp(): Graphical user interface for creating ternary plots
TernaryPlot() HorizontalGrid(): Create a ternary plot
AddToTernary() TernaryArrows() TernaryLines() TernaryPoints() TernaryPolygon() TernarySegments() TernaryText() JoinTheDots() AddToHoldridge() HoldridgeArrows() HoldridgeLines() HoldridgePoints() HoldridgePolygon() HoldridgeText(): Add elements to ternary or Holdridge plot
Annotate(): Annotate points on a ternary plot

Functions for drawing and adding data to a Holdridge plot.

AddToTernary() TernaryArrows() TernaryLines() TernaryPoints() TernaryPolygon() TernarySegments() TernaryText() JoinTheDots() AddToHoldridge() HoldridgeArrows() HoldridgeLines() HoldridgePoints() HoldridgePolygon() HoldridgeText(): Add elements to ternary or Holdridge plot
HoldridgeHypsometricCol(): Convert a point in evapotranspiration-precipitation space to an appropriate cross-blended hypsometric colour
HoldridgePlot() HoldridgeBelts() HoldridgeHexagons(): Plot life zones on a Holdridge plot
holdridge: Random sample of points for Holdridge plotting
holdridgeClasses holdridgeLifeZones holdridgeLifeZonesUp holdridgeClassesUp: Names of the 38 classes defined with the Holdridge system

Functions for manipulating co-ordinates.

OutsidePlot(): Is a point in the plotting area?
TernaryXRange() TernaryYRange(): X and Y coordinates of ternary plotting area
ReflectedEquivalents(): Reflected equivalents of points outside the ternary plot
TernaryCoords() TernaryToXY(): Convert ternary coordinates to Cartesian space
TriangleCentres(): Coordinates of triangle mid-points
XYToTernary() XYToHoldridge() XYToPetPrec(): Cartesian coordinates to ternary point

Functions for adding contours and shading to ternary plots.

ColourTernary() ColorTernary(): Colour ternary plot
TernaryContour(): Add contours to a ternary plot
TernaryDensityContour(): Add contours of estimated point density to a ternary plot
TernaryPointValues() TernaryDensity(): Evaluate function over a grid
TernaryTiles(): Paint tiles on ternary plot
TriangleCentres(): Coordinates of triangle mid-points
TriangleInHull(): Does triangle overlap convex hull of points?

Colourblind-compatible palettes.

cbPalette8 cbPalette13 cbPalette15: Palettes compatible with colour blindness