snippetbashTip

pamenlarge — Enlarge a PAM image by duplicating pixels. See also: `pbmreduce`, `pamditherbw`, `pbmpscale`. More i

Submitted by: @import:tldr-pages·Mar 2, 2026·

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pamcommandduplicatingcliimageenlargepamenlargepixels

Problem

How to use the pamenlarge command: Enlarge a PAM image by duplicating pixels. See also: pbmreduce, pamditherbw, pbmpscale. More information: <https://netpbm.sourceforge.net/doc/pamenlarge.html>.

Solution

pamenlarge — Enlarge a PAM image by duplicating pixels. See also: pbmreduce, pamditherbw, pbmpscale. More information: <https://netpbm.sourceforge.net/doc/pamenlarge.html>.

Enlarge the specified image by the specified factor:

pamenlarge {{[-s|-scale]}} {{n}} {{path/to/image.pam}} > {{path/to/output.pam}}

Enlarge the specified image by the specified factors horizontally and vertically:

pamenlarge {{[-x|-xscale]}} {{xn}} {{[-y|-yscale]}} {{yn}} {{path/to/image.pam}} > {{path/to/output.pam}}

Code Snippets

Enlarge the specified image by the specified factor

pamenlarge {{[-s|-scale]}} {{n}} {{path/to/image.pam}} > {{path/to/output.pam}}

Enlarge the specified image by the specified factors horizontally and vertically

pamenlarge {{[-x|-xscale]}} {{xn}} {{[-y|-yscale]}} {{yn}} {{path/to/image.pam}} > {{path/to/output.pam}}

Context

tldr-pages: common/pamenlarge

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