ST. MARCUS’ BASILICA IN VENICE. AN APPLY OF IMAGE PROJECTION ON A DOME 
R.BRUMANA, G.GALEAZZO 
Politecnico di Milano 
Dip. I.I.A.R. Sezione Rilevamento 
Piazza Leonardo da Vinci 32 
20133 Milano - Italy 
COMMISSION V 
ABSTRACT 
This research is part of a wider study involving different interlocutors and disciplines for the 
project of the conservation of St.Marcus' Basilica. 
Particularly this contribution is a part of a larger program of computerization that begun with the 
project of survey of the Basilica. 
In its latest phase the research has studied the possibility and has evaluated the potential of the 
image projection technique. Thus the present test is an illustrative work focusing on the study of the 
Basilica's domes. 
First it has been tested the chance to proiect the images of the mosaical domes on the digital terrain 
in a threedimensional space. 
The research presents a theorical contribution about the relationship between the survey process and 
the conservation one, in their most advanced teorical and scientific acquisition. 
The attention to the conservation and the theorization of the conservation in the protection of the 
monuments, make possible a redefinition of the role of survey. Its traditional meaning is expanded and 
placed in a close and not easy relationship with the disciplines that are present in the process. 
The study of the images, considered as primary vehicles of knowledge and of signs, makes necessary to 
coordinate and to decode them, to join the images to the shape and geometry of the building. These last 
particulars remain one of the main purposes of the survey. 
This paper is tightly connected with the paper presented at this congress by R.Brumana and G.Vassena 
with the title 'St.Marcus' Basilica in Venice: analysis of digital images projection', because they 
belong to the same research. 
Keywords: architectural, image interpretation, raster, 3-D, projection 
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FIG.1 - GRAPHIC RESTITUTION WITH LINES OF THE CENTRAL DOME 
OF THE ’ASCENSIONE’ IN THE ST. MARCUS’ BASILICA IN VENICE. 
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