PCRS de la Métropole de Lyon - Point canevas

PointCanevasPCRS object class. A topographical canvas consists of a set of points materialized in the field, identified in Y and Z coordinates in the planimetric and altimetry geographical references in force, thus facilitating the production of coherent and homogeneous spatial data sets during topographic surveys carried out by surveyors. They have a registration specific to the canvas used and are generally documented by a material safety data sheet accessible to the public.