The
gridGraphics
Package

A little history ...

A little history ...

A little history ...

A little problem ...

A little history ...

A little history ...

A little problem ...

The gridGraphics package

User Guide

Advanced User Guide

Demonstration

plot(mpg ~ disp, mtcars)	grid.echo()

Why ???

Why ???

Why ???

Why ???

Accessibility

Accessibility

Draw a map with maps, which uses graphics

Accessibility

Convert the map to grid with gridGraphics

Accessibility (audio version)

Add audio tips and export to SVG with gridSVG

Accessibility (tooltip version)

Add tooltips and export to SVG with gridSVG

Accessibility

Summary

Acknowledgements

The following R packages were used in the construction of these slides:

• graphics, grid, and lattice
• maps, maptools, and sp,
• gridGraphics, gridSVG, and gridGraphviz
• knitr

Thanks to Lize van der Merwe and Jonathon Godfrey for providing problems to my solution.

A little solution ...

A little solution ...

A little solution ...