The photos here belong to Beth Katz (katz@cs.millersville.edu). I took the photo of the Van Gogh self-portrait at the New York Metropolitan Art Museum. The example code is copied and adapted from various sources. I forget which examples and from where.

Tiled Pictures:

The code for TiledPictures.java

Lines:

The code for LineRecursion.java

PiledSquares:

The code for PiledSquares.java