Author: pmur002

This document describes an upate to the behaviour of Porter-Duff compositing operators in R graphics. Paul Murrell, Thomas Lin Pedersen, and Panagiotis Skintzos. Downloadcontinue reading.

This document describes a new feature in the R graphics engine to support rendering typeset glyphs. This provides a basis for developing improved text rendering …continue reading.

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 …continue reading.

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 …continue reading.

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() …continue reading.

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 …continue reading.

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

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

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. …continue reading.

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 …continue reading.

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 …continue reading.

This document describes an expansion of the R graphics engine to support a number of new graphical features: gradients, patterns, masks, and clipping paths. Paul …continue reading.

This report describes improvements to clipping in the R graphics engine. These changes will be of particular interest to maintainers of R graphics device packages …continue reading.

This report describes an update to the R package ‘dvir’ to add support for the LuaTeX engine. The immediate advantage of this support is the …continue reading.

This report describes the ‘gdiff’ package for R, which provides tools for performing visual tests on graphical output. Visual testing is essential for checking that …continue reading.

This report discusses how to work with complex SVG images in R. We look at importing an external SVG image into R with the ‘grImport2’ …continue reading.

This report describes a new function in ‘grid’ called grobCoords and a new package called ‘gridGeometry’ that combines grobCoords with the ‘polyclip’ package to provide …continue reading.

This report describes several R packages that allow HTML content to be rendered as part of an R plot. The core package is called ‘layoutEngine’, …continue reading.

This report describes three different approaches to communicating between R and MetaPost: importing the PostScript output from MetaPost with the ‘grImport’ package; calling the mpost …continue reading.