| 释义 |
Zeeman's ParadoxThere is only one point in front of a Perspective drawing where its three mutually PerpendicularVanishing Points appear in mutually Perpendicular directions, but such a drawingnonetheless appears realistic from a variety of distances and angles. See also Leonardo's Paradox, Perspective, Vanishing Point References
Dixon, R. Mathographics. New York: Dover, p. 82, 1991.
|