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Command: imscan | Section: 1 | Source: UNIX v10 | File: imscan.1
IMSCAN(1) General Commands Manual IMSCAN(1)
NAME
imscan - scan greyscale images
SYNOPSIS
imscan [ -sN ] [ -lN ] file
DESCRIPTION
Imscan digitizes an image with an Imagitex grey-scale scanner and
places the result in the named file in the form of picfile(5). The op-
tions are
-sN Set a scale factor 1<=N<=9, default 4. With scale factor N the
image is subsampled: only 1 out of every NxN pixels is stored.
A larger scale factor, therefore, produces a smaller image.
-lN Use lens focal length N, where N is either 5 or 8 (default).
The 8-inch lens scans images at 480 dots per inch. The 5-inch
lens scans at 754 dots per inch.
SEE ALSO
cscan(1), pico(1), qsnap(1), mugs in face(9.7), picfile(5)
BUGS
It is hard to get more than 2000 pixels per scanline reliably. For
large originals, higher scale factors work better than smaller ones.
arend IMSCAN(1)