More and more historical data are available on the web. In France, old cadastral maps are regularly published by the “departements”. Such material is relevant to various applications (onthe-field search of specific objects such as old boundary stakes, historical studies of demography, human activities, land cover…). The GeF laboratory is working on the development of a complete methodological toolchain to vectorise, correct and analyse cadastral parcels and their evolution, using open source software and programming language only (QGIS, GDAL, Python). This article details the use of a part of this toolchain - georeferencing old cadastral data - on parcels located near the Loir river, in two villages of southern Sarthe: Vaas and Aubigne-Racan. After a presentation of our methodological toolchain, we will discuss our first results.
['Jean-Michel Follin', 'Maïté Fahrasmane', 'Elisabeth Simonetto']
An open-source based toolchain for the georeferencing of old cadastral maps