Chunk 21

CHUNK 21
TITLE Coordinate systems and pixels
DESCRIPTION Write an interesting introduction to coordinate systems and pixels. Dont worry about the BufferedImage class
OUTCOMES

* Be able to locate a point using its coordinates.
* Be able to describe what a pixel is.

REFERENCE Greenberg 109--114
HINT This can be deadly dull. Might be worth showing some small program fragments which use coordinates.
PROGRAM Write a program that allows the student to explore the notion of a pixel and its coordinates.