Technically, the mapping posed two major challenges. The first was that of minimising the visual impact of the technology present in the Church of Sant Climent de Taüll without compromising on image quality. The second consisted of integrating the remains in the apse with the originals in the MNAC.
Determining how many video projectors to use and where to position them was part of the technical process. We eventually decided to use six projectors, concealed from public view, in different positions and with different angles, to beam images onto the concave geometry of the central apse and to mix them properly.
We subsequently made an extremely accurate virtual copy of the church’s apse, reflecting both its geometry and texture. At the same time, we took high-resolution photographs of the originals in the MNAC so as to be able to combine everything in a single 3D model.
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