How can I center the ColorBrewer colors around 0?

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dila suay
dila suay 2022-2-24
评论： dila suay 2022-2-25
Hello, I am using cbrewer for my colormap. However the value 0 is not exactly white (attached jpg image). I have played around with the n, but nothing seems to change.
n=256
colormap(cbrewer2('RdBu',n));
How can I make the 0 value true white?
Thank you

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采纳的回答

DGM
DGM 2022-2-25
This doesn't have anything to do with the particular colormap. This has to do with the fact that the colorbar limits are not centered on zero.
Try:
caxis([-8 8])

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