Question

In perspective projection, the point in which the perpendicular axis pierces the picture plane and lies on horizon line is called _____________

(a) ground line

(b) horizon line

(c) center of vision

(d) station line

The question was asked by my college professor while I was bunking the class.

The doubt is from Definitions and Methods of Perspective Projections in section Oblique & Perspective Projection of Engineering Drawing

Answer 1

The correct option is (c) center of vision

To elaborate: In perspective projection, the point in which the perpendicular axis pierces the picture plane and lies on horizon line is called center of vision. And the line in which the horizon plane intersects the picture plane is called horizon line. It is parallel to ground line.