.TH RESAMPLE 9.1
.SH NAME
resample \- resample a picture horizontally
.SH SYNOPSIS
.B fb/resample
.I width
[
.I input
] [
.I B C
]
.SH DESCRIPTION
.I Resample
resamples the scan lines of its input image (default standard input)
to the given new width.  The image is decimated or interpolated using
a well-designed cubic filter.
See
.IR transpose (9.1)
for assistance with vertical resampling.
.PP
The reference explains the optional filter parameters
.I B
and
.I C.
The default values give optimal alias rejection, and should not
normally be tampered with.
.SH "SEE ALSO
.IR picfile (9.6),
``Reconstruction in Computer Graphics'', by Mitchell and Netravali in
SIGGRAPH 88 Proceedings.