pamoil(1) - phpMan

Pamoil User Manual(0)                                                       Pamoil User Manual(0)



NAME
       pamoil - turn a PAM image into an oil painting


SYNOPSIS
       pamoil

       [-n N]

       [pamfile]


DESCRIPTION
       This program is part of Netpbm(1).

       pamoil  reads a Netpbm image as input and does an "oil transfer", and writes the same type
       of Netpbm image as output.

       The oil transfer is described in "Beyond Photography" by Holzmann,  chapter  4,  photo  7.
       It's a sort of localized smearing.

       The  smearing  works  like  this:  First, assume a grayscale image.  For each pixel in the
       image, pamoil looks at a square neighborhood around it.  pamoil  determines  what  is  the
       most  common  pixel intensity in the neighborhood, and puts a pixel of that intensity into
       the output in the same position as the input pixel.

       For color images, or any arbitrary multi-channel image, pamoil computes each channel (e.g.
       red, green, and blue) separately the same way as the grayscale case above.

       At  the  edges  of the image, where the regular neighborhood would run off the edge of the
       image, pamoil uses a clipped neighborhood.


OPTIONS
       -n size
              This is the size of the neighborhood used in the  smearing.   The  neighborhood  is
              this many pixels in all four directions.

              The default is 3.





SEE ALSO
       pgmbentley(1), ppmrelief(1), ppm(1)

AUTHOR
       This program is based on pgmoil Copyright (C) 1990 by Wilson Bent (whb AT hoh-2.com)

       Modified to ppm by Chris Sheppard, June 25, 2001

       Modified to pnm, using pam functions, by Bryan Henderson June 28, 2001.

DOCUMENT SOURCE
       This  manual page was generated by the Netpbm tool 'makeman' from HTML source.  The master
       documentation is at

              http://netpbm.sourceforge.net/doc/pamoil.html

netpbm documentation                       25 June 2001                     Pamoil User Manual(0)

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