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From: Michal Kvasnicka <quasar@econ.muni.cz>
Subject: Re: Dithering (off-topic)
Date: Tue, 04 Nov 2003 14:34:54 +0100	[thread overview]
Message-ID: <3FA7AAFE.9070900@econ.muni.cz> (raw)
In-Reply-To: <20031031063731.12ddf19d.wmcclain@salamander.com>

Dear Sir,

many thanks for your kind help. This is precisely what I was searching for.

Bill McClain wrote:

>   pnmscale -width=1950 pleiades.pnm | pnmsmooth -size 5 5 | pgmtopbm
>-fs -value 0.5 | pnmtopng > pleiades.png
>

BTW, is there some easy way to set the size of the dithering points (eg. 
2x2 pixels, 3x3 pixels), or should I do it ex post in some image editor 
(Gimp, imagemagick)?

Many thanks once more.
M.K.

  reply	other threads:[~2003-11-04 13:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-31 11:21 Michal Kvasnicka
2003-10-31 12:37 ` Bill McClain
2003-11-04 13:34   ` Michal Kvasnicka [this message]
2003-11-04 15:48     ` Bill McClain
2003-10-31 15:17 ` Siep Kroonenberg

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