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CAD Reconstruction Computer aided 3-dimensional reconstruction of the Vatican Palace in the High Renaissance A project initiated by Kunst- und Ausstellungshalle der Bundesrepublik Deutschland in co-operation with Darmstadt Technical University – chair for CAD in architecture – and Università Roma Tre under the auspices of Musei Vaticani More Images Not only the works of art but also the rooms in which they were shown to advantage are subject of the exhibition. The Vatican palace which had been used as papal residence since the 5th century A. D. was repeatedly added to or altered in the course of the subsequent 1,500 years. It was the Renaissance popes in particular who made the Vatican palace a "whole which is unique on earth" (Jacob Burckhardt). Today, visitors can no longer imagine the original shape and function of most rooms, not only due to numerous alterations but also due to the fact that it functions as a museum. Heute ist die ursprüngliche Form und Funktion der meisten Räume für den Besucher nicht mehr nachvollziehbar, nicht nur wegen der zahlreichen Umbauten, sondern auch aufgrund der Nutzung als Museum. For the first time, a 3D CAD reconstruction of the Vatican palace in the High Renaissance will be presented in Bonn as a result of a research project initiated on the occasion of the exhibition: In their virtual tour, visitors will 'experience' the rooms of the papal palaces with its original furnishings, accompanied by a well-informed 'Cicerone', an art historian. In the this tour, one can discover numerous exhibits of the exhibition in Bonn. The tour takes the strict ceremonial sequence of the premises into account: For example, visitors can pursue the path of the Venetian ambassadors for an audience with Pope Hadrian VI in 1523 or they can accompany Pope Julius II. from his private chambers to the famous Cortile delle Statue of the Belvedere. They can take a look out of the window of the Stanza della Segnatura from which Bramante calculated the perspective of his courtyard. The "perfectly beautifully conceived shape" (Jacob Burckhardt) of the courtyard can thus be experienced. As two transverse wings were added, it can no longer be perceived in Rome. The objective of the 3D CAD reconstruction is to illustrate the complex structure of the Vatican and, above all, the functions of the individual rooms, too. This facilitates an understanding of numerous works of art such as Raphael's cycle of frescoes in the Stanze and the logge which were after all created for a concrete occasion and functional context. In addition to its functions in the exhibition, the 3D CAD reconstruction will pave the way for numerous new findings within the framework of the building and construction history of the Vatican palace in the Middle Ages and in the Renaissance. A number of key rooms could be measured with up-to-date means for the first time. Numerous theories on the building and construction history of the Vatican palace are based on plans of the early 19th century. Implementation and execution, scientific studio in the architecture department of the Darmstadt Technical University. Professor: Manfred Koob Research collaborators: Mare Grellert, Markus Frings, Stephen Wittkopf, Bernhard Franken, Stefan Baumgartner, Egon Heller Research assistants: Andreas Kreuz, Nils Fischer, Arndt Schilkowsky, Philip Putschbach, Marc Möller, Bruno Hellstern, Marcin Kaminski, Julio Carlos Figueirdo de Sousa Pereira Students in the CAD seminar: Axel Beuermann, Jens Kahl, Jochen Backes, Susanne Westphal, Gabi Pinder, Göran Vöpel, Urs Kellermann, Nicole Troesch, Eva Franke, Jan Friedrich, Niklas Führer, Eva Leonardi, Eva Schwarz, Christina Stiel, Sonja Albrecht, Kirstin Fried Building and construction historic consultant, art historic consultant: Pier Nicola Pagliare, Massimo Alfieri, Wolfgang Lieberwein With kind support of Silicon Graphics Computer Systems, Alias Wavefront, GMD Darmstadt and Alitalia.

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