Seville
 
 
 
 
 
 
 data18/SEV
(Click on image for high-quality PDF version) 
 
Geometry
 
 
-  Growth dynamic build of this pattern.
 -  Random dynamic build of this pattern.
 -  Structured dynamic build of this pattern.
 -  The symmetry group of the tiling is *442 (p4m).
 -  All the internal angles of the constituent polygons are a multiple of 22.5°.
 -  Contains three regular 8-pointed star polygons with vertex angle of 90°.
 -  Contains one regular 8-pointed star polygon with vertex angle of 45°.
 -  There are 12 non-regular reflective tiles (including one kite and one dart).
 -  The tiling satisfies the interlace condition and has three finite interlaces and  no infinite interlace with straight cross-overs.
 -  The tiling is edge-to-edge.
 -  As drawn, contains about 807 polygons.
 
 
 
 
References
 
 
Publications referenced: 
 
 
-  Other Islamic Patterns (Seville, Spain. From postcard, colours match photo except when adjoining areas have same colour)  of B A Wichmann. The World of Patterns, World Scientific,	2001.	ISBN 981024619.  [wich2]  {Only new patterns ascribed to this.}
 -  Photo by David Wade: MOR 1503 (Sultan's Palace, Tangier, Morocco)  of David Wade. Website: patterninislamicart.com, UK,	2015.	 [wadei]  {Website}
 
 
 
Photographs
 
 
 
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