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Re: Continuous colorbar [message #71542 is a reply to message #71541]

Mon, 28 June 2010 08:43

zhangyehui
Messages: 4
Registered: May 2010

Junior Member

On Jun 28, 11:19 am, Paulo Penteado <pp.pente...@gmail.com> wrote:
> On Jun 28, 11:35 am, zhangyehui <zhangye...@gmail.com> wrote:
>
>> I want to draw a contour map of correlation coefficients with
>> continuous color. As R varies between [-1, 1], I'd like those are
>> close to 0 shown in white color and those are close to 1(-1) with
>> darker colors. I usually use loadct colorbars. There are 41 colorbars.
>> But I can't find a colorbar with a white color in the middle. So I
>> just wondered if there is anyway I can do that. Thanks in advance.
>
> Some of the Brewer tables have white in the middle, going to saturated
> colors on different hues on each side. See
>
> http://michaelgalloy.com/2008/08/21/another-update-to-the-br ewer-colo...
>
> You can always make your own table, it is just an array with the RGB,
> HLS or HSV values for each index. The tricky part is deciding on how
> to vary the colors along the table, which has an important effect on
> how the resulting visualization is perceived.

Many thanks.
I found some tables I want in the Brewer tables. ^O^

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[Message index]

		Re: Continuous colorbar By: zhangyehui on Mon, 28 June 2010 10:41
		Re: Continuous colorbar By: Michael Galloy on Mon, 28 June 2010 09:02
		Re: Continuous colorbar By: zhangyehui on Mon, 28 June 2010 08:43
		Re: Continuous colorbar By: David Fanning on Mon, 28 June 2010 08:42
		Re: Continuous colorbar By: penteado on Mon, 28 June 2010 08:19

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