b>pamenlarge</b> reads a Netpbm image as input, replicates its pixels
<I>N</I> times, and produces a Netpbm image as output.  The output is
the same type of image as the input.

<P>If you enlarge by a factor of 3 or more, you should probably add a
<b>pnmsmooth</b> step; otherwise, you can see the original pixels in
the resulting image.

<P><b>pamenlarge</b> can enlarge only by integer factors.  The slower
but more general <b>pamscale</B> can enlarge or reduce by arbitrary
factors.  <b>pamscale</b> allows yo