| http://www.w3.org/ns/prov#value | - where Dh(??) is the size of a projected point or the distance between two adjacent projected points as a function of the field angle ?? along a meridian of the projection surface, k is a constant, R is the radius of curvature of the projection surface, and DO is the distance between the center of an external projection lens of the optical device and the observation point.
|
