Blog Archives

2018-09 Importing General-Purpose Graphics in R

September 19, 2018
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This report discusses some problems that can arise when attempting to import PostScript images into R, when the PostScript image contains coordinate transformations that skew ...

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2018-08 Revisiting Mathematical Equations in R: The ‘dvir’ package

August 30, 2018
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This report describes an R package called ‘dvir’ that aims to use TeX as a layout engine, but performs all rendering within R. The package ...

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2018-07 Echoes of the Future

July 19, 2018
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This report discusses ways to combine graphics output from the ‘graphics’ package and the ‘grid’ package in R and introduces a new function echoGrob in ...

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2018-06 Rasterizing Chromatograms

June 12, 2018
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This report describes an application of the ‘rasterize’ package for R. We rasterize (just) the line segments of two chromatograms in order to render one ...

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2018-05 Selective Raster Graphics

May 24, 2018
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This report explores ways to render specific components of an R plot in raster format, when the overall format of the plot is vector. For ...

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2018-04 Extreme Makeover: R Graphics Edition

April 29, 2018
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This report describes a complex R graphics customisation example using functions from the ‘grid’ and ‘gridGraphics’ packages and introduces two new functions in ‘grid’: deviceLoc ...

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2018-03 Putting the Macron in Māori: Accented text in R Graphics

February 28, 2018
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This report describes different methods for correctly rendering macrons in Māori text within R plots. The topics covered will also have relevance to rendering other special characters in R graphics and possibly to rendering macrons in other software. ...

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2018-02 An ISCC-NBS Colour List for ‘roloc’

February 7, 2018
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This report describes the development of a colour list and colour metric for the ‘roloc’ package that is based on the ISCC-NBS System of Color Designation. Paul Murrell Download

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2018-01 Generating Colour Names: The ‘roloc’ Package for R

January 24, 2018
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This report introduces the ‘roloc’ package for R, which provides functions for converting colour specifications into colour names. Paul Murrell Download

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2017-04 Speeding up gridSVG

October 29, 2017
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This report describes changes in version 1.6-0 of the ‘gridSVG’ package for R. The most important result of these changes is that ‘gridSVG’ is now much faster at generating SVG files (in situations where it used to be painfully slow). Paul Murrell Download

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