Ternary v2.1.0

• Colour sub-region of ternary plot with ColourTernary():
  • Add Polygon-Geometry functions for polygon manipulation.
  • Support NA values in ColourTernary().
• Tidy code formatting and catch typos.

Ternary v2.0.0

• Create Holdridge plots using HoldridgePlot() and related functions (#48).
• Add panel.first and panel.last parameters to TernaryPlot() (fixing #54).
• Support graphical parameters (e.g. xpd) in TernaryPlot().
• Add introductory vignette for new R users.
• Help diagnose non-installation of app.

Ternary v1.2.4

• Default to upward direction if TernaryPlot() not yet called.
• Improved input checking in TernaryPointValues() and TernaryContour(), (#53), and avoid unnecessary calculations.

Ternary v1.2.3

• Fix bug in TernaryApp() when ‘colourpicker’ not previously installed.
• Update to ‘testthat’ edition 3.

Ternary v1.2.2

• New vignette with interpolation example (#46).
• Document point styling in vignette.
• TernaryCoords(), alias TernaryToXY(), accepts matrices.

Ternary v1.2.1

• Use package ‘vdiffr’ conditionally in tests.
• Trivial documentation improvements.

Ternary v1.2.0

• Add Shiny user interface; launch with TernaryApp().
• Optional parameter axis.rotate to allow axis labels to be plotted ‘unrotated’ (https://github.com/ms609/Ternary/issues/38).
• Fix error in xtip.rotate (thanks @LSanselme).
• Add examples to documentation.

Ternary v1.1.4

• Support user-specified colours in ColourTernary().
• More options for controlling axis colours in TernaryPlot().
• Add examples to documentation.
• axis.labels example in vignette.

Ternary v1.1.3

• Use inherits, not class [https://developer.r-project.org/Blog/public/2019/11/09/when-you-think-class.-think-again].
• Obey user-specified direction in TernaryContour() and TernaryPointValues() (thanks @pkR-pjR).

Ternary v1.1.2

• clockwise parameter allows plots to be configured in ‘flipped’ orientation (https://github.com/ms609/Ternary/issues/22)

Ternary v1.1.1

• TernaryArrows adds arrows to a ternary plot.

Ternary v1.1.0

New features

• Add support for contour plots and density shading.

Bug fixes

• Maintain isometry when one of xlim or ylim is specified.
• Fix issues with TernaryPlot() documentation.
• Remove names in TernaryCoords().

Ternary v1.0.2

• Improve configuration options by allowing:
  • Custom colouration of axis text;
  • Modification of axis tick length.

Ternary v1.0.1

• Plot minor lines between grid lines, with options to customise appearance.
• Document magnification options.

Ternary v1.0.0

• Add function JoinTheDots() to plot lines and points simultaneously.
• Support xlim & ylim for TernaryPlot().
• Choose direction of plot using new point parameter.
• Allow labelling of tips and of sides (alab becomes atip).
• Improved control over labelling of plot (clab.rotate parameter).
• Improve documentation.

Ternary v0.1.1

• Added colour-blind compatible colour palettes cbPalette8 and cbPalette15.
• Support lab.font in TernaryPlot().

Ternary v0.1.0

• Generates ternary plots with vertical left axis.