GhtDraw

A Portfolio of Period 2, c/2,

Space Ships of Width 8

and

 

Harold V.

McIntosh

CONTENTS

• hi - Dean Hickerson's tiles, ti - additional tiles, tj - more tiles.
• a guide to the plates
• locations of the larger tiles
• sample spaceships, additional samples, and more.
• tiles from the left-hugging J-region
• the de Bruijn diagram for the left-hugging J-region
• the isolated components
• detail of special regions (left of center)  (pag 1, 2 ,3)
• some of the larger tiles, showing their basic period
• some paths through the diagram (right of center)
• more paths through the diagram (repeats detail of special regions)
• still more paths through the diagram (the right J region)
• the region of the rightmost active avatar
• the region of the leftmost avatars (pag 1, 2)
• the region of the central avatars
• the region of the right-hugging avatars
• the region of Dean Hickerson's A-tiles and the zero tile
• avatars of width 4 - advancing phase
• avatars of width 4 - resting phase
• the left J' region
• a view of the screen, with the de Bruijn diagram lightly edited
• the diagram with bilateral symmetry according to avatars
• traces - the number of loops for varying lengths