How to obtain a surface curve plane located on specific heights and with a different vector of color representation?

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Philippe Corner 2020-3-12

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https://ww2.mathworks.cn/matlabcentral/answers/510428-how-to-obtain-a-surface-curve-plane-located-on-specific-heights-and-with-a-different-vector-of-color

评论： Philippe Corner 2020-3-12

level is a (120,4) matrix. The columns correspond from 1 to 4 to X coordinate, Y coordinate, Z coordinate and a C scalar value.

When I use this code:

x = level(:,1);
y = level(:,2);
z = level(:,3);
xv = linspace(min(level(:,1)), max(level(:,1)), 20);
yv = linspace(min(level(:,2)), max(level(:,2)), 20);
[X,Y] = meshgrid(xv, yv);
Z = griddata(x,y,z,X,Y);
hold on
surf(X, Y, Z);
grid on
shading interp
axis equal
colorbar

I obtain this plot:

I would like to obtain a surface which is located exactly as I located this one, following the Z values of hight, but that the colors represent C values and not Z.

The colors of the surf plot should be folliwng this:

Any ideas about how to do it?

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采纳的回答

darova 2020-3-12

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Use cdata property

[x,y,z] = peaks(20);
c = sphere(19);
surf(x,y,z,'cdata',c)

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darova 2020-3-12

do the same to your color vector

Philippe Corner 2020-3-12

Thanks a lot for your help!

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