How to create a custom dynamic colormap?

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Patrik Ek
Patrik Ek 2013-10-17
评论： Giuseppe 2017-3-10
Hi,
I have been wondering about how to create a custom colormap, with a dynamic range similar to the default colormaps in MATLAB. The call to the colorbar will be something like,
customColormap = getCustomColormap(nColors);
It is possible that there is no clear solution to this problems, but it would be great if anyone have an idea to how to proceed.
Best Regards Patrik

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Simon
Simon 2013-10-17
Hi!
You can use the command "colormap" to create color maps. The built-in colormaps can be scaled dynamically, like
colormap(jet(nColors))
You can as well build your own color maps. A color map is a m-by-3 matrix of real numbers between 0.0 and 1.0, specifying RGB values.
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Patrik Ek
Patrik Ek 2013-11-15
Thank you this colormap editor is amazing. For the automatic rescaling I guess i gets more complicated the more advanced colormap, but thank you for giving me a start.
Giuseppe
Giuseppe 2017-3-10
A small correction:
C_HSV = [C_HSV_interp(:), repmat(C_HSV( 1, 2:3), n, 1)];

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