Preserve the Memory of San Francisco’s Victorian Architecture

The article deals with the topic of photogrammetry applied to the historical architecture of San Francisco, one of the iconic buildings of the so-called Painted Ladies. These buildings are Victorian and Edwardian houses and buildings repainted, in different colors that embellish or enhance their architectural details, starting in the 1960s.The document will address a methodological discussion concerning the construction of parametric models of historic buildings.The research is prompted by the modern need to have databases full of exhaustive information, through which we can preserve the memory of the historical heritage present in the Californian reality, monitoring conditions and planning the future.