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Digital Map of Brigantium / Bregenz (A)

Bregenz on the eastern shore of Lake Constance was an important center in Roman times that was known as Brigantium. Since the 19th century, archaeologists have excavated and investigated large parts of the former ancient city area, which is mostly located on the Ölrain-plateau. The parts that have not been destroyed or built over at this time, were often filled up again and forgotten by the inhabitants of the region.

On the basis of the previously conducted excavations, Samuel Jenny was able to publish an overview of the plan of Brigantium in 1898. In 1985, the plan was republished by Christine Ertel with the newly acquired scientific knowledge of the 20th century. The last person to add to these plans was Florian Schimmer in 2005. These manually created plans are not satisfactory for geographically exact display on a digital basis from today’s point of view.

The desire to create a plan fit for the 21st century came into existence a few years ago. It soon became clear that a simple transfer of the most recent manual plans would not be possible. It was necessary to evaluate and digitize the many and sometimes up to 100 year old original plans from several excavations on the basis of current land registries. A cooperation project of the Bundesdenkmalamt (Andreas Picker) and the Vorarlberg Museum (Gerhard Grabher), which is responsible for the excavation documentation of previous research, resulted from this. Technical supervision was given to Ursula Reiterer (TALPA GnbR).

The map of the Roman city was recreated digitally and located precisely in order to ensure its integration into the geographical informationsystem (GIS) of the city of Bregenz. The technical realization of the “Roman city map online” was led by the GIS-department of the city of Bregenz.

This project was able to produce several positive outcomes: The Vorarlberg Museum can now use the archaeological digital maps. Archaeological research can thus gain new insights into ancient urbanism as well as settlement and cultural history of Brigantium. Errors and inaccuracies could be corrected as well as new insights on the Roman structures and streets could be gained.

Supervision: Dr. Karl Oberhofer