Z-buffer

graphics An array used to store the maximum Z coordinate

of any feature plotted at a given (X, Y) location on the

screen, used for hidden line removal in a 2D rendering of a

3D scene. The Z axis is perpendicular to the screen with

values increasing toward the viewer so that any point whose Z

coordinate is less than the corresponding Z-buffer value will

be hidden behind some feature which has already been plotted.

(1997-07-18)