Surf plot with a mask

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Mara Meggiorin
Mara Meggiorin 2019-9-20
回答： darova 2019-9-20
Hi,
I'd like to plot an elevation map with surf, and it work quite well.
Howevr I'd like to color the surface not basing on Z bat basing on another matrix I have that is a logical mask.
I do not want to make transparent or not, I want two different colors basing on the mask.
How can I do?
Thanks

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darova
darova 2019-9-20
Use CData property:
[X,Y] = meshgrid(-5:5);
Z = -X.^2-Y.^2;
C = rand(size(Z));
surf(X,Y,Z,'Cdata',C)

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