plot different data in one surface plot

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jun li 2021-4-23

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https://ww2.mathworks.cn/matlabcentral/answers/810615-plot-different-data-in-one-surface-plot

评论： Cris LaPierre 2021-4-23

i want to plot different data on one surface plot. for example :the left half part of the axis plot data1 with colormap1 ,the right half part of the axis plot data2 with colormap2

how can i do that?

for example in x range [0,25] plot surf(peaks) x range[25,50] plot surf(sine(peaks))

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Answer 1

Cris LaPierre 2021-4-23

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https://ww2.mathworks.cn/matlabcentral/answers/810615-plot-different-data-in-one-surface-plot#answer_682420

在 MATLAB Online 中打开

One way to do this is to create a matrix with the results of peaks in 1-25 and sin(peaks) in 26-50.

mat = peaks;

mat(:,26:end) = sin(mat(:,26:end));

surf(mat)

view(2)

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jun li 2021-4-23

thank you very much. but now these two data have the same colormap ,sometimes i want to give each data a different colormap, how can i do that

Cris LaPierre 2021-4-23

In a surface plot, color is typically based on the Z value. I don't know of a simple way to apply two different colormaps, each to half of the axis. You would have to use a custom colormap, and most likely manually assign the colors using the color input.

Since this is a separate question, I'd suggest creating a new question to attract those with expertise doing this. As a first pass, consider looking at similar questions that have already been asked. Perhaps one of them contains a solution you can use.

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