Creating a transparent closed 3D surface plot from (x,y,z) scatter data points

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Satyajit Ghosh
Satyajit Ghosh 2022-1-19
评论： Satyajit Ghosh 2022-1-19
I have a set of (x,y,z) data points (file attached). I can use scatter3 to plot 3d scatter plot.
d1=load('Scatter_data_x_y_z.txt');
scatter3(d1(:,1),d1(:,2),d1(:,3),'.y')
It is a closed surface and it is prolate spheroid. I want to draw a transparent closed surface instead of 3D scatter plot. How do I do that? Typical scatter3 plot of two such prolated spheriod is given below.
Actually, the surface in blue is a spindle toroid.

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回答（1 个）

KSSV
KSSV 2022-1-19
d1=load('Scatter_data_x_y_z.txt');
shp = alphaShape(d1) ;
plot(shp)

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