Vanishing point as the "direction point", as lines having the same directional vector, say "D", will have the same vanishing point. Mathematically, let be a point lying on the image plane, where is the focal length (of the camera associated with the image), and let be the unit vector associated with , where . If we consider a straight line in space with the unit vector and its vanishing point , the unit vector associated with is equal to , assuming both are assumed to point towards the image plane. When the image plane is parallel to two world-coordinate axes, lines parallel
To the Point of producers and engineers, thanking the Coltrane family, and signing off with, "This has been "To the Point" from Public Radio International." When major national or international events occur, the show will occasionally scrap its pre-scheduled main segment in favor of bringing in commentators on the breaking stories. Though the live program beams by satellite to carrier stations at 11 am, KCRW airs it taped at 1pm, following "The World". To the Point To the Point was an hour-long public affairs radio program co-produced by KCRW in Santa Monica, California and Public Radio International. The program originated at KCRW at