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الْحَمْرَاء . The Alhambra Palace and The Geometric Ornamentation. The Court of The Lions. The tilework from Alhambra (Translational Symmetry). Mirror Reflections. Keeps pattern's appearance unchanged Half-turn rotations(center A) Quarter-turn rotation(center B). Glide reflection - PowerPoint PPT Presentation
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The Alhambra Palace and The Geometric Ornamentation
اء �َح�ْم�َر� اْل
The Court of The Lions
The tilework from Alhambra (Translational Symmetry)
Mirror Reflections
Glide reflection
The line of reflection (labeled g) is located half-way between the vertical mirrors(labeled m)
Keeps pattern's appearance unchanged
Half-turn rotations(center A)
Quarter-turn rotation(center B)
Third-turn (360/3=120 degrees)
Rotational Symmetries
Half-turn (360/2=180degrees)
Rotational Symmetries
Quarter-turn (360/4=90degrees)
Rotational Symmetries
Sources :
• www.catnaps.org/islamic/geometry.html
• www.catnaps.org/islamic/geometry2.html
• www.moroccanmotifs.com/yahoo_site_admin/assets/docs/ALHAMBRATILING.257182758.pdf
• humis.utah.edu/humis/docs/organization_948_1160423370.pdf
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