2023-02 Porter-Duff Compositing Operators in R Graphics
This document describes an upate to the behaviour of Porter-Duff compositing operators in R graphics. Paul Murrell, Thomas Lin Pedersen, and Panagiotis Skintzos. Download
Tagcompositing operators
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. …