home *** CD-ROM | disk | FTP | other *** search
-
-
-
- pbmtopgm(12 Dec 1990) AMIGA pbmtopgm(12 Dec 1990)
-
-
-
- NAME
- pbmtopgm - convert portable bitmap to portable graymap by
- averaging areas
-
- SYNOPSIS
- pbmtopgm <width> <height> [pbmfile]
-
- DESCRIPTION
- Reads a portable bitmap as input. Outputs a portable graymap
- created by averaging the number of pixels within a sample
- area of width by height around each point. Pbmtopgm is
- similar to a special case of ppmconvol. A ppmsmooth step may
- be needed after pbmtopgm.
-
- Pbmtopgm has the effect of anti-aliasing bitmaps which
- contain distinct line features.
-
- SEE ALSO
- pbm(5)
-
- AUTHOR
- Copyright (C) 1990 by Angus Duggan Copyright (C) 1989 by Jef
- Poskanzer.
-
- Permission to use, copy, modify, and distribute this
- software and its documentation for any purpose and without
- fee is hereby granted, provided that the above copyright
- notice appear in all copies and that both that copyright
- notice and this permission notice appear in supporting
- documentation. This software is provided "as is" without
- express or implied warranty.
-
- NOTES
- Pbmtopgm works best with odd sample width and heights.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- Page 1 (printed 12/9/93)
-
-
-
-