Ths chapter describes functions from extension packages that provide additional low-level utilities for R graphics. There are sections on drawing basic shapes, labeling points and lines, generating color sets, producing fill patterns, and manipulating coordinate systems.
This part of the book is devoted to a number of graphical topics where the core statistical graphics packages in R are extended in useful ways.
This chapter describes functions from a number of packages that build useful low-level extensions on top of the core facilities of the traditional graphics system and the grid graphics system.
This chapter focuses mainly on low-level extensions of the core graphics systems: functions that ...