Abstract

Abstract. Researchers from diverse fields of study are developing methodologies for understanding historical cartography. Nonetheless, there is a lack of literature that explains the connection between the survey and the interactive use of historical cartography in preservation projects and urban planning. This study demonstrates the methods for the investigation of historical cartography to produce knowledge about the heritage of small widespread historical centres in northern Italy, which had a rich history, and for which many thematic maps were produced through time. The complexity of the area gives a fertile ground to collect, systematise and investigate historical sources. The methodology is developed to be flexible and adaptable to various widespread historical centres in the territory and it is divided into two parts: deconstructive and constructive approach. Whereas the former deals with the analysis of urban aspects on historical maps, the latter searches for the historical elements present nowadays. Combining those two methods in the Geographic Information Systems will produce a timeline and historical stratification of the transformation of cities. Once georeferenced and vectorised, historical maps are enriched with the information from written registers and other historical documents, as well as contemporary ones. The study aims to scrutinize and produce various categories of maps, to draw conclusions about the limits of the use of historical cartography and software used, and finally, to suggest how and where the future work could lead to the overall enhancement of heritage.

Highlights

  • The research aims to develop the methodology to systematise, present and use historical cartography to analyse and potentially enhance widespread historical centres in northern Italy

  • The study starts from the present time, to understand which buildings preserved their original shape through time, and could be identified on historical maps so that they can be used as Ground Control Points (GCP) for georeferentiation

  • The researchers are developing methodologies for understanding historical cartography but there is a lack of literature that explains the connection between the survey and the interactive use of historical cartography in preservation projects and urban planning

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Summary

Introduction

The research aims to develop the methodology to systematise, present and use historical cartography to analyse and potentially enhance widespread historical centres in northern Italy. Historical cartography and documents are an important but often neglected part of cultural heritage They are not just artefacts with artistic values, but a necessary source of information about the space in the past (Cazzani, Brumana, and Zerbi, 2019). To be able to use historical maps and other historical documents to comprehend the evolution of towns, a GIS1-based approach is employed, to create a timeline of transformation of the urban tissue (Knowles and Hillier, 2008). This approach will allow a better understanding of historical sources to a wide group of stakeholders since cultural heritage is directly connected to cultural identity (ICOMOS, 1996). The instruments presented together with a methodological approach described in the study could be used as an educational tool and for touristic purposes but especially could serve as a ground knowledge for the professionals to make elaborated contextualised projects (Bianchi, 2006)

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