An HBIM Methodology for the Accurate and Georeferenced Reconstruction of Urban Contexts Surveyed by UAV: The Case of the Castle of Charles V
Sanseverino, Anna | Messina, Barbara | Limongiello, Marco | Guida, Caterina Gabriella
The potentialities of the use of the UAV survey as a base for the generation of the context mesh are illustrated through the experiments on the case study, the Crotone Fortress, proposing a systematic general methodology and two procedural workflows for the importation of the triangulated model, maintaining its real geographical coordinates, in the Autodesk Revit environment through a Dynamo Visual Programming script [VPL]. First, the texturisation of the mesh of the urban context was experimented with, using the real-sized photogrammetric orthoimage as Revit material; therefore, the reproduction of the discretised detailed areas of the urban context was tested. They were imported via Dynamo by reading the coordinates of the vertices of every single face that constitutes the triangulated model and associating to each of them the corresponding real colorimetric data. Starting from the georeferenced context of the photogrammetric mesh, nine federated BIM models were produced: the general context models, the detailed models and the architectural model of the fortress.
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