qgis - Extract shapefile from scanned PDF map using Open Street

I am new to QGIS. I have a scanned PDF document containing maps of the Italian highway network development year by year from the 1920s to the 1990s (i.e. showing the pre-existent network in a given

qgis - Extracting a polygon from a shapefile - Geographic Information Systems Stack Exchange

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How to georeference scanned image in QGIS and vectorize items from OpenStreetMap-part 2. – steelandrocks.com

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