How can I display a 3D image of a 10x10x10 matrix? Each cube has a value between 1-10.

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MD MAHABUBUR ROHOMAN 2022-10-17

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评论： Bjorn Gustavsson 2023-1-25

I have a 2D matrix s(10,10). So, there are 100 squares. Each square has a value between 1-10. So, I can display the matrix with imagesc(s) function. The image is like the following. s represents the bottom right. The squares in the below picture have values between 1 or 2

Now I want to extend the matrix to 3D, which is s(10,10,10) and has 1000 cubes , each having a value between 1-10. How can I display it like the following image with each cube colored by their respective values?

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Bjorn Gustavsson 2022-10-17

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编辑：Bjorn Gustavsson 2022-10-17

在 MATLAB Online 中打开

You should be able to generate a figure like the cube you show by utilizing the slice-function. Something like this:

% Mocking up some 10x10x10 data
s10by10by10 = round(convn(10*rand(10,10,10),ones(2,2,2)/8,'same'));
% displaying with slice
slice(s10by10by10([1:end,end],[1:end,end],[1:end,end]),[1 11],[1 11],[1,11])

You might have to play around with the colour-map to get a nice display:

colorbar
cmp = jet(10);                        
colormap(cmp(randperm(size(cmp,1)),:)) % To get increased contrast between regions with similar values

HTH

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MD MAHABUBUR ROHOMAN 2023-1-25

Hello!

If I have a matrix of 5x5x5, I should only change the [1 11] to [1 6] in the slice command?

Bjorn Gustavsson 2023-1-25

@MD MAHABUBUR ROHOMAN, yes, that might work. Just try, and read the help and documentation of slice to see what other modifications you might be interested in.

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