(25) Calculs Planimetriques en Coordonnees

[grsbanks]

(10-12-2018 07:06 PM)Thomas Okken Wrote:  I can't for the life of me figure out what "gisement" is supposed to mean in this context, though.

I've never seen it used in this context (and I did 5 years of school in France!) but would guess it means "slope". A straight line (that is indeed what "une droite" is) can be defined by two points or by one point and a slope (or vector for that matter).