3d plot scattered data of closed surface

Question

David Pesetsky 2016-6-7

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https://ww2.mathworks.cn/matlabcentral/answers/288283-3d-plot-scattered-data-of-closed-surface

评论： David Pesetsky 2016-6-8

cloud200.txt

Hi experts-

I have scattered 3D data of what will always be a closed surface. It may not always contain 0,0,0. I was looking into meshgrid here: http://www.mathworks.com/help/matlab/visualize/representing-a-matrix-as-a-surface.html#f0-9140 ...but the X and Y seemed returned in random order, so surf didn't take it. I see some complicated zip files I could explore, but I hope it's not too complicated. I'll even attach the actual data I'm trying to fit. Want to fit a closed surface to the scattered points.

Thanks so much in advance, Dave

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Answer 1

Walter Roberson 2016-6-7

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https://ww2.mathworks.cn/matlabcentral/answers/288283-3d-plot-scattered-data-of-closed-surface#answer_224766

You did not really define what you are trying to achieve. If you are just trying to do a scatter plot, then just load the data and then use scatter3()