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2022-04 Constructive Solid Geometry and Function Representation in R

December 19, 2022pmur002

The HyperFun Project provides a language and interpreter for describing 3D scenes using Function Representation and Constructive Solid Geometry. This document describes the R package …

2022-03 Offsetting Lines and Polygons in ‘grid’

December 14, 2022pmur002

This document describes new functions in the ‘gridGeometry’ package for R that generate offset regions and Minkowski Sums for lines and polygons. Jack Wong and …

2022-02 Constructive Geometry for Complex Grobs

June 1, 2022pmur002

This document describes developments in the grobCoords() function in the R package ‘grid’, plus improvements to the ‘gridGeometry’ package that makes use of the grobCoords() …

2022-01 Vectorised Pattern Fills in R Graphics

June 1, 2022pmur002

This document describes an extension of the support for pattern fills in R graphics (linear gradients, radial gradients, and tiling patterns) to allow multiple pattern …

2021-04 Luminance Masks in R Graphics

December 1, 2021pmur002

This document describes an extension of the support for masks in R graphics to allow luminance masks as well as alpha masks. Paul Murrell Download

2021-03 Stroking and Filling Paths in R Graphics

November 16, 2021pmur002

This document describes an expansion of the R graphics engine to support stroking and filling paths. Paul Murrell Download

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

November 15, 2021pmur002

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. …

2021-01 Accessing ‘grid’ from ‘ggplot2’

May 31, 2021pmur002

This report describes the ‘gggrid’ package, which provides a convenient interface for making use of raw ‘grid’ functions in combination with ‘ggplot2’. The ‘gggrid’ package …

2020-06 Letting Go of Type 1 Fonts

December 23, 2020pmur002

The ‘dvir’ package for R is limited in that it is only known to work on an (Ubuntu) Linux distribution with (at least) a full …

2020-05 Adding TikZ support to ‘dvir’

November 25, 2020pmur002

This report describes an update to the R package ‘dvir’ to add support for the TikZ graphics package. This allows R users to make use …

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Recent Posts

  • 2022-04 Constructive Solid Geometry and Function Representation in R
  • 2022-03 Offsetting Lines and Polygons in ‘grid’
  • 2022-02 Constructive Geometry for Complex Grobs
  • 2022-01 Vectorised Pattern Fills in R Graphics
  • 2021-04 Luminance Masks in R Graphics

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