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Re: [Monotone-devel] Re: New release of monotone-viz
From: |
Olivier Andrieu |
Subject: |
Re: [Monotone-devel] Re: New release of monotone-viz |
Date: |
Sat, 11 Dec 2004 18:10:09 +0100 (CET) |
> Asger Ottar Alstrup [Sat, 11 Dec 2004]:
> Christof Petig wrote:
> > PS: Considering auto colorizing: What about hashing branch and/or
> > author with sha1 and take the first three bytes as R,G and
> > B. Most likely you have to switch the _text_ color to white once
> > e.g. max(R,G,B)<128 or R+G+B<255. This might be a bit psychedelic
> > but should give distinct enough and stable enough colors.
>
> Since the RGB color space is not tuned to match the human eye, you
> will get much better results using this formula:
>
> int luminance = 0.3 * red + 0.59 * green + 0.11 * blue;
> if (luminance < 128) {
> // Choose white
> } else {
> // Choose black
> }
Yeah, I tried picking colors in HLS space (Hue, Lightness, Saturation)
based on a hash. It gives adequate colors but with a dozen keys you're
quite likely to get two colors with a similar hue, so I'd like to try
something less "random".
--
Olivier
- [Monotone-devel] New release of monotone-viz, Olivier Andrieu, 2004/12/04
- Re: [Monotone-devel] New release of monotone-viz, Derek Scherger, 2004/12/05
- Re: [Monotone-devel] New release of monotone-viz, Nathaniel Smith, 2004/12/06
- [Monotone-devel] Re: New release of monotone-viz, Bruce Stephens, 2004/12/06
- Re: [Monotone-devel] Re: New release of monotone-viz, Nathaniel Smith, 2004/12/07
- Re: [Monotone-devel] Re: New release of monotone-viz, Nathaniel Smith, 2004/12/08
- Re: [Monotone-devel] Re: New release of monotone-viz, Olivier Andrieu, 2004/12/10
- Re: [Monotone-devel] Re: New release of monotone-viz, Christof Petig, 2004/12/10
- Re: [Monotone-devel] Re: New release of monotone-viz, Asger Ottar Alstrup, 2004/12/11
- Re: [Monotone-devel] Re: New release of monotone-viz,
Olivier Andrieu <=
- [Monotone-devel] Re: New release of monotone-viz, Bruce Stephens, 2004/12/11
- Re: [Monotone-devel] Re: New release of monotone-viz, Asger Ottar Alstrup, 2004/12/13
Re: [Monotone-devel] New release of monotone-viz, Georg-W. Koltermann, 2004/12/15