2021-02 Groups, Compositing Operators, and Affine Transformations in R Graphics

This document describes an expansion of the R graphics engine to support a number of new graphical features: isolated groups, compositing operators, and affine transformations.

For example, the image below shows a shear transformation being applied to a ‘ggplot2’ plot.

These features are available in the development version of R (to become version 4.2.0).

Paul Murrell

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