is there a way to put an image as a background on a 3d plot?

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Kratos
Kratos 2015-4-21
回答： Image Analyst 2015-4-21
Hello
I have a plot with multiple spheres and I would like to add something(maybe stars) on the background of the plot.
I tried generating random numbers for x y and z and use scatter3 to plot it but it looked really weird.
If its possible I would like to add an image of stars on the background. If not is there a way to make this plot look good with all the stars?
x = 10*rand(100,1); y = 10*rand(100,1); z = 10*rand(100,1);
scatter3(x,y,z,'w*')
For the sphere
v = [1;1;1]; r = 1;
[x y z] = sphere;
x = r*x+v(1); y = r*y+v(2);
z = r*z+v(3);
surf(x, y, z, 'Edgecolor', 'none')
Thank you.

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回答（1 个）

Image Analyst
Image Analyst 2015-4-21
Use imread() to read in an image of a star field or whatever background image you want. Use imshow() to display it. Then call "hold on". Then call your code to place spheres upon it.

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