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Reverse/flip values in the colorbar axis

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Turbulence Analysis
Turbulence Analysis 2020-10-15
评论： Adi Purwandana 2023-2-25
Hi,
In the attached figure, I have reverse the values in the color bar i.e. red to be positive and blue to be negative. Please help me with this. I have tried flipud, but it changes the color pattern in the contour.

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回答（1 个）

Bjorn Gustavsson
Bjorn Gustavsson 2020-10-15
编辑：Bjorn Gustavsson 2020-10-15
If you want exactly that colormap, but flip it you can do this:
cmp = colormap;
cmp = flipud(cmp);
colormap(cmp);
You should be able to re-set the colormap to jet in one call:
colormap(jet)
HTH
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Bjorn Gustavsson
Bjorn Gustavsson 2022-4-28
Not that I disagree with your request for additional colormap-utilities, but "teribly cumbersome" might be a bit of an exageration for what can be done with something as simple as a one-liner:
colormap(flipud(colormap))
that is only 26 characters...
Adi Purwandana
Adi Purwandana 2023-2-25
I tried some above codes... but I found working for me is:
colormap(flipud(jet))

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