MATLAB: Plot 4d surface from x, y, z, c data

surface plot 4d

Hello,

I was wondering how to plot a 4d surface. I have x, y and z data (unevenly spaced), and c data (c is a function of x, y, z). I would like to plot c as a surface, with particular value of c being defined by a colour.

My x, y, z and c data are column vectors, but I don't think this is suitable for the surf(x, y, z, c) function.

Any help would be greatly appreciated.

Carol

Best Answer

I am not sure, but I think you might want sliceomatic

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MATLAB: How to paint a surface according to another scalar function

Something like this?

[x,y] = meshgrid(linspace(-2,2,50));
z = 4-x-y.^2;
c = x.^2 - y;
surf(x,y,z,c)

MATLAB: Surfplot with surface color as a function of gradient (slope)

found the answer.

surf(X,Y,Z,C) additionally specifies the surface color.

[dfdx,dfdy] = gradient(Z);
surf(x,y,Z,sqrt(dfdx.^2 + dfdy.^2))
colorbar

does the trick...

Source and further Info can be found here

Best Answer

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MATLAB: How to paint a surface according to another scalar function

MATLAB: Surfplot with surface color as a function of gradient (slope)

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