pamcomp

Overlay two PAM images.

Overlay two images such with the overlay blocking parts of the underlay

$ pamcomp [path/to/overlay.pam] [path/to/underlay.pam] > [path/to/output.pam]

Set the horizontal alignment of the overlay

$ pamcomp -align [left|center|right|beyondleft|beyondright] -xoff [x_offset] [path/to/overlay.pam] [path/to/underlay.pam] > [path/to/output.pam]

Set the vertical alignment of the overlay

$ pamcomp -valign [top|middle|bottom|above|below] -yoff [y_offset] [path/to/overlay.pam] [path/to/underlay.pam] > [path/to/output.pam]

Set the opacity of the overlay

$ pamcomp -opacity [0.7] [path/to/overlay.pam] [path/to/underlay.pam] > [path/to/output.pam]