All images in this gallery were constructed using simple C programs and saved in PPM (Portable Pixel Map) format. The JPG versions displayed here were obtained directly from the PPM images because many browsers lack plugins to display PPM images.
![]() The Netherlands |
netherlands-alex.ppm |
Italy |
italy-alex.ppm |
Switzerland |
switzerland-alex.ppm |
Finland |
finland-alex.ppm |
Laos |
laos-alex.ppm |
Greenland |
greenland-alex.ppm |
The Czech Republic |
czech-alex.ppm |
Scotland |
scotland-alex.ppm |
Cube |
cube.ppm | ||||
Cylinder |
cube.ppm | ||||
Sine wave |
sin.ppm | ||||
Compressed Sine wave |
sin2.ppm | ||||
Part of a spiral |
spiral.ppm | ||||
Double Helix |
helix.ppm | ||||
Fake 3D (Rising Sun) |
rising-sun.ppm | ||||
Ying-Yang: approximation |
ying.ppm | ||||
Ying-Yang: the real thing |
yang.ppm | ||||
Four-way space dissection: part 1 |
divide01.ppm | Four-way space dissection: part 2 |
divide02.ppm | Four-way space dissection: part 3 |
divide03.ppm |
Four-way space dissection: part 4 |
divide04.ppm | Four-way space dissection: part 5 |
divide05.ppm | Four-way space dissection: part 6 |
divide06.ppm |
Four-way space dissection: part 7 |
divide07.ppm | Four-way space dissection: part 8 |
divide08.ppm | Four-way space dissection: part 9 |
divide09.ppm |