view article
Figure 2
Upper portion: Ammann grid underlying the pattern from the Zaouïa Moulay Idriss II in Fez, Morocco, with the alternative line positions generated by phason shifts stippled (see text for details on phasons). Selected rosettes from the Zaouïa pattern are superimposed in their simplified form on the grid in their original positions. Lower portion: A portion of the modern quasiperiodic dodecagonal grid of Ammann lines derived by Häussler et al. (1994BB5).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 44| Part 3| May 2011| Pages 569-573
doi:10.1107/S0021889811013744
Follow J. Appl. Cryst.
Sign up for e-alerts
E-alerts
Follow J. Appl. Cryst. on Twitter
Twitter
Follow us on facebook
Facebook
Sign up for RSS feeds
RSS