.de BR
.in 0
.in +8n
.ti -5n
..


.Th BOXCAR
.S2 SUMMARY:
Convolve with unit area boxcar

BOXCAR Width width

.S2 INPUT:
Width width : the length of the boxcar function rounded to the next sample interval.
.S2 DESCRIPTION:
his routine convolves all traces in memory with a unit area isosceles triangular
pulse.  This command is equivalent to
.sp
        TRAPEZOID WIDTH 0.0 width 0.0
.sp
This acts as a lowpass filter.
.sp
If Width < DELTA, nothing is done.
.S2 EXAMPLES:

.S2 "SEE ALSO":
TRAPEZOID, TRIANGLE, RICKER
