Rosettes from Photos

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This Demonstration gives some examples of rosettes produced from photos. You can choose aspects of shape and symmetry with the functions and
, with the complex parameters
and
, defined in the Details.
Contributed by: Izidor Hafner (March 2016)
Using work by: F. A. Farris
Open content licensed under CC BY-NC-SA
Snapshots
Details
The following results are valid:
If, in the sum ,
unless
,
is a rosette function with
-fold symmetry.
If, in the sum ,
unless
,
is a rosette function with
-fold symmetry.
If, in the sum ,
,
is a function with mirror symmetry.
The functions (cyclic) and
(dihedral) are defined by
and
.
Reference
[1] F. A. Farris, Creating Symmetry: The Artful Mathematics of Wallpaper Patterns, Princeton: Princeton University Press, 2015 pp. 40–45.
Permanent Citation