Linux Commands Examples

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Bentleyize a portable graymap

see also : pgmoil - ppmrelief


pgmbentley [pgmfile]

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Reads a portable graymap as input. Performs The Bentley Effect, and writes a portable graymap as output.

The Bentley Effect is described in "Beyond Photography" by Holzmann, chapter 4, photo 4. It’s a vertical smearing based on brightness.

see also

pgmoil , ppmrelief , pgm


Copyright (C) 1990 by Wilson Bent (

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