Pkviz is a tool for plotting and cycling through and animating a series of network packets captured by tcpdump. What makes it unique is that the packets’ structure is visualized, not any labels and not time itself. Pkviz takes each byte in a packet and plots it out end-to-end, left-to-right, from the first byte to the last. How high the dot gets plotted depends on the value of the byte: bytes with a value of 0 are at the bottom and those which are 255 (0xff) – the maximum value of a byte – get plotted at the top. This might not be interesting for one packet, but that changes when you start looking at thousands of packets. Pkviz can cycle through thousands of packets in the set so you can see what happened on the wire.
TAMOGEN is designed either to create a mosaic of one image out of another or to create a mosaic of one image out of itself. Instead of selecting images from a pool on a best-fit basis, the generator utilizes one user-identified image to create a mosaic of another user-identified image by altering the tone of the component image. TAMOGEN will create color or black-and-white mosaics of arbitrary size.