Il ruolo dell'espressione grafica nelle Digital Humanities al tempo del Covid-19: un caso studio italiano

The lockdown experience lived for the Covid-19 and the consequent physical closure of all places of culture, highlighted the need to implement and develop alternative ways of enhancing and using the CH by the public. Many cultural institutions have promoted initiatives to allow citizens to access heritage online: virtual tours, online collections, digital and social initiatives. In this scenario, it has been and still is fundamental to rethink the contribution that digital technologies can provide as well as the role that is attributed to the graphic expression. The paper, starting from the case study (the castle of San Martino Valle Caudina), investigates the variations that the graphic representation of the architectural heritage must assume in knowledge projects and its transmission through digital humanities. So, starting from the digitization of the castle through consolidated image-based survey techniques, the 3D model becomes the access key to knowledge, organized in a multiscale dimension. The study focuses on the main attributes that digital representation, cultural contents and communication graphics must have in relation to the type of user to whom it is addressed, presenting different connotations with respect to the specialization and the cognitive needs of the public. The theme, not new to the attention of scholars, is brought up to date by the pandemic experience acquires value in its application to little-known cultural realities although of great historical value for which, such an approach, makes it possible to trigger virtuous social processes in often marginal territories