Meaning of downpointer | Babel Free

Definitions

1. A pointer in a hierarchical data structure that points to the node that is down from the current node.
2. An indicator that points toward the ground.

Examples

“Except at level zero, the downpointer always points down.”

“[…] this data structure differs from the tree […] illustrated in Fig. 1, only by having downpointers replaced by downtrees.”

“By using the so-called functional approach to data structures Chazelle [1988] developed a compression scheme to encode the downpointers used by Willard [1985] to reduce further the space requirement.”

“During one session , the subject used a canopy-mounted downpointer to estimate position in space relative to the ground, and in the other session the subject used a joystick-controlled, inside-out, aircraft attitude indicator.”

CEFR level