From: Eric Grosse <ehg@lucent.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] alg to make a good colour palette for a graph
Date: Fri, 21 Feb 2003 01:39:04 -0500 [thread overview]
Message-ID: <85f83229e10e554410d6d6922cbfb3c0@plan9.bell-labs.com> (raw)
In-Reply-To: <20030221160829.1b2eca90.ggm@apnic.net>
It depends on the monitor. Take a look at
http://plan9.bell-labs.com/cm/cs/doc/85/4-01.ps.gz
That solution (which used l2 optimization over a psychophysical
color difference metric) gave very good results, but is way too
complicated for awk. You can run the computation once, build
a decent spline approximation to the hue curve, and use awk to
interpolate in the table, given <n>. That's the approach of
http://plan9.bell-labs.com/netlib/graphics/rainbow.c.gz
Eric
next prev parent reply other threads:[~2003-02-21 6:39 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-21 5:47 [9fans] output of ps(1) memory usage YAMANASHI Takeshi
2003-02-21 5:55 ` Russ Cox
2003-02-21 6:08 ` [9fans] alg to make a good colour palette for a graph George Michaelson
2003-02-21 6:39 ` Eric Grosse [this message]
2003-02-21 6:57 ` George Michaelson
2003-02-21 7:46 ` Skip Tavakkolian
2003-02-21 12:56 ` [9fans] " Jim Choate
2003-03-24 1:48 ` [9fans] UTF-8 handling in non-plan9 app: help finding bug George Michaelson
2003-03-24 2:31 ` Russ Cox
2003-03-24 3:01 ` David Presotto
2003-03-25 16:15 ` Boyd Roberts
2003-03-25 17:04 ` Russ Cox
2003-03-25 17:13 ` Boyd Roberts
2003-03-25 17:05 ` Jack Johnson
2003-03-25 17:14 ` Boyd Roberts
2003-03-25 22:55 ` George Michaelson
[not found] <3106177662@snellwilcox.com>
2003-02-21 10:03 ` [9fans] alg to make a good colour palette for a graph Steve Simon
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