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Diffstat (limited to 'ppmtopgm.html')
| -rw-r--r-- | ppmtopgm.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ppmtopgm.html b/ppmtopgm.html index b7e59394..10edf780 100644 --- a/ppmtopgm.html +++ b/ppmtopgm.html @@ -24,7 +24,7 @@ ppmtopgm - convert a PPM image to a PGM image <p>This program is part of <a href="index.html">Netpbm</a>. <p><b>ppmtopgm</b> reads a PPM as input and produces a PGM as output. -The output is a "black and white" rendering of the original +The output is a "black and white" rendering of the original image, as in a black and white photograph. The quantization formula <b>ppmtopgm</b> uses is g = .299 r + .587 g + .114 b. |