Ichnography
ICHNOGRAPHY (Gr. ix.vos, a trace, and ypa<t>ri, description), in architecture, a term defined by Vitruvius (i.2) as "the groundplan of the work," i.e. the geometrical projection or horizontal section representing the plan of any building, taken at such a level as to show the outer walls, with the doorways, windows, fireplaces, etc., and the correct thickness of the walls; the position of piers, columns or pilasters, courtyards and other features which constitute the design.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
