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The built point seedling is a georeferenced point seedling resulting directly from the filtered LiDAR acquisition to retain only the points belonging to the buildings. The sowing was carried out by the company SETIS for CRAIG. It is the result of airborne Lidar surveys, the acquisitions of which, carried out by the SETIS/IMAO group of companies, took place: from 1/04/2018 to 23/06/2018 Laser: IGI Lite Mapper 7800 The parameters of the LIDAR flight are as follows: Flight height: 850m/floor Flight speed: 110 knots Scan angle: 60° Altimeter accuracy (standard deviation): 8 cm Planimetric accuracy (standard deviation): 10 cm Emission density between 16pts/m² and 24 pts/m² The territory covered represents 25 areas: - 9 in the Puy de Dôme: La Godivelle (7/04/2018 + 11/05/2018), Jouvion (23/06/2018), Le Fossat (24/05/2018 + 5/06/2018 + 22/06/2018), Lac de Bordes (7/04/2018 + 11/05/2018), Sancy (22/06/2018 + 23/06/2018), Méjanesse (7/04/2018), Chavanon (7/04/2018), Cheire de Volvic (7/04/2018), Forion (1/04/2018) - 2 in the Allier: Echassières (1/04/2018), RN Val d’Allier (6/04/2018) - 4 in the Loire: Pivadan – Petite Bazanne (6/05/2018 + 22/06/2018), Marais du Gand (05/04/2018), RNR Colleigne (6/05/2018 + 24/05/2018 + 22/06/2018 + 23/06/2018), Valorges (5/04/2018) - 1 in the Haute Loire: Marais de Limagne (1/04/2018) - 1 in the Ardèche: Rieutord (1/04/2018 + 11/05/2018) - 5 in the Rhône: Tourbière du Couty (7/04/2018), Sous-les-Echarneaux (7/04/2018), Les Mouilles (7/04/2018), Filatures Amont (7/04/2018), Goutte Noire (7/04/2018) - 3 in the Isère: Chambaran (5/05/2018), Tourbière du Grands Lemps (27/04/2018 + 5/05/2018), Burette (5/05/2018).