3D thematic maps to represent craks layout of vaulted surfaces

Abstract

The Church of Sacro Cuore in Trento was an opportunity for the experimentation and the application of a procedural process aimed to verify the geometric shape of the frescoed vault and the mapping of the crack visible to return 3D qualitive data acquired. The representation of the surfaces is based on the acquisition of topographical data and photogrammetric shots to produce a single high-resolution image that coincides with the planimetric projection of the vault. At first this allowed to draw the cracks pattern in two-dimensional mode, integrating it with the information contained in the free-hand sketches then the projection of the curves of each crack on the surface of the vault has therefore resulted in a three-dimensional thematic model of crack pattern.