noise(3G) noise(3G)
NAME
noise - filters valuator motion
SPECIFICATION
C noise(v, delta)
Device v;
short delta;
FORTRAN subroutine noise(v, delta)
integer*4 v, delta
DESCRIPTION
noise determines how often queued valuators make entries in
the event queue. Some valuators are noisy. For example, a
device that is not moving can still report small
fluctuations in value. noise can set a lower limit on what
constitutes a move. That is, the value of a noisy valuator
(v) must change by at least delta before the motion is
considered significant. For example, noise(v,5) means that
valuator v must move at least 5 units before it makes a new
queue entry.
SEE ALSO
setvaluator
Programming Guide, Section 7.4, The Event Queue
NOTE
This routine is available only in immediate mode.
Page 1 (printed 8/20/87)