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- ppmtops(1) PBM Plus ppmtops(1)
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- NAME
- ppmtops - convert a portable pixmap into color Encapsulated
- PostScript
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- SYNOPSIS
- ppmtops [-scale <x>] [<ppmfile>]
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- DESCRIPTION
- Reads a portable pixmap as input. Produces Encapsulated
- PostScript as output, using the colorimage operator. This
- operator is only defined on color printers and very recent
- B&W printers. Most of the time you will NOT want to use
- ppmtops; instead, do a ppmtopgm | pgmtops.
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- The -scale flag controls the scale of the result. The
- default scale is 1, which results in one ppm pixel producing
- a 3x3 square of PostScript pixels. On a 300 dpi printer
- such as the Apple LaserWriter, this makes the output look
- about the same size as the input would if it was displayed
- on a typical 72 dpi screen. To get one ppm pixel per Laser-
- Writer pixel, use "-s 0.333333".
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- All flags can be abbreviated to their shortest unique pre-
- fix.
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- Note that there is no pstoppm tool - this transformation is
- one-way, because a pstoppm tool would be a full-fledged
- PostScript interpreter, which is beyond the scope of this
- package.
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- SEE ALSO
- ppm(5), pgmtops(1), psidtopgm(1)
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- AUTHOR
- Copyright (C) 1989 by Jef Poskanzer.
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- 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 docu-
- mentation. This software is provided "as is" without
- express or implied warranty.
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- Printed 5/25/90 01 September 1989 1
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