NDLI: Gothic Construction and the Traça of a Heptagonal Apse: The Problem of the Heptagon

Content Provider	Springer Nature Link
Author	Lluis i Givart, Josep Anguera, Gerard Fortuny Jover, Agustí Costa Sola Morales Serra, Pau
Copyright Year	2013
Abstract	The heptagonal shape and its geometric layout have been the subject of a great deal of speculation. Because some apses in Gothic cathedrals are heptagonal, there must be a methodology implicit in the layout of the geometric shape. Two particularly important sources help us arrive at an understanding: the exceptional of the capitular archive of the Cathedral of Tortosa, which contains the main neo-Platonic sources among its codices dating from thirteenth and fourteenth centuries, and the parchment known as la traça de Guarc (c.1345-1380), which shows the layout of the non-constructed cathedral. These sources show a heptagonal apse with an arithmetical and geometric dimension, based on a metrological and tonal musical proportion of 9/8, which is perfectly compatible with the bases of the quadrivium. The lateral and radial chapel, as the basic unit and feature element in fourteenth-century Gothic cathedral design, can be used as a pattern, and its measurement established as the basic unit for the overall proportions of the cathedral.
Starting Page	325
Ending Page	348
Page Count	24
File Format	PDF
ISSN	15905896
Journal	Nexus Network Journal
Volume Number	15
Issue Number	2
e-ISSN	15224600
Language	English
Publisher	Springer Basel
Publisher Date	2013-05-22
Publisher Place	Basel
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	cathedrals historical treatise Tortosa Cathedral geometry geometric systems proportion sacred geometry rulebased architecture heptagon Mathematics History and Philosophical Foundations of Physics Popular Science History
Content Type	Text
Resource Type	Article

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