Reverse the colorbar axis

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Claire
Claire 2012-4-30
回答： Ryan Caveney 2025-2-14
I have a contourf plot, which I plotted across the range 2 to -2. I have edited the colormap to get it to move between green and brown.
I don't want to change the colormap, or the values that are associated with each color. All I want to do is essentially flip the colorbar, so that -2 is at the top, and 2 is at the bottom.
All the solutions I have found so far only flip the colors, which is not what I want to do.
I'm basically looking for an equivalent function to: set(gcf,'YDir','reverse') but for the colorbar.
I'd appreciate any help I can get. Cheers, Claire.

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采纳的回答

Geoff
Geoff 2012-4-30
The call to colorbar returns a handle. There's lots of options in there to set, and you'll find the one you wanted, too.
h = colorbar;
set( h, 'YDir', 'reverse' );
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Germano Scarabelli
Germano Scarabelli 2015-1-8
thanks! I spent a lot of time trying to reverse it!

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更多回答（1 个）

Ryan Caveney
Ryan Caveney 2025-2-14
Another solution is
cm = colormap;
colormap(flipud(cm));

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