pamstretch
stretches PAM/PNM images by pixel replication with interpolation
TLDR
Stretch image 2x
$ pamstretch [2] [input.pam] > [output.pam]
Stretch with interpolation$ pamstretch -dropedge [3] [input.pam] > [output.pam]
SYNOPSIS
pamstretch [options] factor [file]
DESCRIPTION
pamstretch stretches PAM/PNM images by pixel replication with interpolation. Smoother than simple enlargement. Part of Netpbm toolkit.
PARAMETERS
factor
Stretch factor (integer).-dropedge
Drop edge pixels.-xscale n
Horizontal scale only.-yscale n
Vertical scale only.
SEE ALSO
pamscale(1), pnmenlarge(1)