We describe two major stages to achieving this – a per-building classification model and post-classification analysis to improve the accuracy of the class inferences. © 2020 Condé Nast. The city of Montreal occupies about three-fourths of Montreal Island (Île de Montréal), the largest of the 234 islands of the Hochelaga Archipelago, one of three archipelagoes near the confluence of the Ottawa and St. Lawrence rivers. Very relaxing and interesting tour. Van Hoesen and Letendre (2013) analysed historical maps to determine building age for identifying suitable properties for implementing energy efficiency measures. These are formulated with particular attention to the homogenous built form of street segments or a group of blocks, or even the predominant character of certain major axes; The zoning by-law defines height limits by number of storeys, meters or both, according to the vocation and character of the area; The zoning by-law may define a minimum height in meters equivalent to the height prescribed in storeys where the land use is “Employment Area,” “Mixed-Use Area,” “Large Institutional Facility,” or “Convent, Monastery or Place of Worship”; The permissible construction density is expressed in terms of floor area ratio (F.A.R.