The Vatican goes digital: a virtual twin of St. Peter's Basilica reveals its secrets

20-11-24

St. Peter's Basilica, the heart of the Vatican, has taken a step towards modernity with the creation of a digital twin that allows its architectural and artistic details to be explored as never before. This project, the result of a collaboration between the French company Iconem and Microsoft, has used artificial intelligence and photogrammetry to offer an immersive and detailed experience of this emblematic temple.

The initiative has required two and a half years of meticulous work. To capture every corner of the basilica, 400,000 high-definition photographs were taken, covering approximately 10 square kilometers of mosaics composed of half-centimeter tesserae. Yves Ubelmann, French architect and founder of Iconem, explained that his team divided the basilica into 20 billion points, using drones and specialized cameras to obtain precise images.

“It took us a month and a half to cover the entire surface. Then we dumped all that information into a single database to combine it. As a result, the complexity of the technology that the Renaissance architects used to construct this building comes to light. There are many spaces that are not visible, which are essential to support the dome,” Ubelmann explained.