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Pnmcomp User Manual(0)                                  Pnmcomp User Manual(0)

       pnmcomp - composite (overlay) two PNM images together


       [-align={left|center|right|   beyondleft|beyondright}]   [-valign={top|middle|bottom|  above|below}]  [-xoff=X]
       [-yoff=Y] [-alpha=alpha-pgmfile] [-invert] [-opacity=opacity] overlay_file [underlying_file [output_file]]

       Minimum unique abbreviation of option is acceptable.  You may use double hyphens instead of  single  hyphen  to
       denote options.  You may use white space in place of the equals sign to separate an option name from its value.

       This program is part of Netpbm(1).

       pnmcomp was obsoleted by pamcomp(1),introducedwithNetpbm10.21 (March 2004).   pamcomp  is  backward  compatible
       with  pnmcomp,  plus  adds many additional functions, including the ability to process PAM images, and tends to
       produce better transparency results.

       pnmcomp remains in the Netpbm package because it may have fewer bugs for now than pamcomp, and is in some envi-
       ronments  faster (but newer compilers have been seen to produce code for pamcomp significantly faster than that
       for pnmcomp).  Some day, pnmcomp will probably become an alias for pamcomp.

       You can use the pamcomp documentation for pnmcomp, considering the following differences:

       ?      pnmcomp options are a subset of pamcomp's, as
                   documented above.

       ?      pnmcomp always assumes the input is linear, as pamcomp
                   does when you specify its -linear option.

       ?      pnmcomp cannot process PAM images.

netpbm documentation           15 February 2004         Pnmcomp User Manual(0)