How to create a bended cylinder structure stored in a 3D matrix?

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MSmit 2017-1-18

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https://ww2.mathworks.cn/matlabcentral/answers/320880-how-to-create-a-bended-cylinder-structure-stored-in-a-3d-matrix

回答： Jordan Ross 2017-1-24

Dear all,

I'm looking for a way to create a zeros(500,500,250) matrix with a bended cylinder inside. The voxels inside the bended cylinder should be 1, and the radius should be 10. I am able to create an cylinder with the surf function but I can't find a way to store it in a 3D matrix. Does someone have a solution?

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Answer 1

Jordan Ross 2017-1-24

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Hello,

I would suggest looking at the function "cylinder" because it will return the X, Y, and Z coordinates that you can join together to create a matrix. http://www.mathworks.com/help/matlab/ref/cylinder.html

If you want to get the X, Y, and Z points from the surface plot then you are going to want to store the "surf" to a handle. Then using that handle you can access the properties XData, YData, and ZData to create the matrix.