managing surface plot axis

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Math Passion 2020-12-10

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回答： Math Passion 2021-1-12

采纳的回答： Cris LaPierre

I wonder if it is possible to plot a surface in matlab while changing the x, y and z axis.

I don't want to have my z value upwards. I want to have it in x direction instead.

The problem here is the colorbar which is based on the z value. Even if I change the order of my data points, matlab always consider the z value for the colorbar.

Thank you very much in advance.

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Cris LaPierre 2020-12-10

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Have you tried using your X data as the surface color input C? Adapting this doc example.

[X,Y] = meshgrid(1:0.5:10,1:20);

Z = sin(X) + cos(Y);

surf(X,Y,Z,X)

xlabel("X")

ylabel("Y")

zlabel("Z")

colorbar

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Math Passion 2020-12-11

Thank you very much anyway. I hope I find a solution. This is very annoying as the problem will be easily solved just by changing the axis.

Cris LaPierre 2021-1-11

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A coworker pointed out to me that perhaps adjusting the camera properties might create the view you want.

[X,Y] = meshgrid(-5:0.25:5);

Z = X.^2 + Y.^2;

contour3(X,Y,Z,50);

ax = gca;

camup([1 0 0]); % or set the CameraUpVector property of axes

ax.CameraPosition = [30 -70 -140];

ax.CameraViewAngle = 10;

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MATLAB Graphics 2-D and 3-D Plots Surfaces, Volumes, and Polygons Surface and Mesh Plots

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