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pbmto4425 - Display PBM images on an AT&T 4425 terminal
Pbmto4425 displays PBM format images on an AT&T 4425 ASCII terminal using that terminal's
mosaic graphics character set. The program should also work with other VT100-like termi-
nals with mosaic graphics character sets such as the C. Itoh CIT-101, but it has not yet
been tested on terminals other than the 4425.
Pbmto4425 puts the terminal into 132 column mode to achieve the maximum resolution of the
terminal. In this mode the terminal has a resolution of 264 columns by 69 rows. The pix-
els have an aspect ratio of 1:2.6, therefore an image should be processed before being
displayed in a manner such as this:
% pnmscale -xscale 2.6 pnmfile \
| pnmscale -xysize 264 69 \
| ppmtopgm \
| pgmtopbm \
Copyright (C) 1993 by Robert Perlberg
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