[help] how to project 3D objects to plane (not coordinate plane)

I have objects as a figure attached.

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I want to project objects (blue color and small red color) to plane (yellow color) follow perpendicular.

I can project object to coordinate plane (oxy, oyz, oxz) by command: surf(x,y,0*z), surf(0*x,y,z), surf(x,0*y,z). How to project to any plane?

Thank

[viet le]

this is figure when project to coordinate plane

Answer 1

[KSSV]

You fix an angle theta to which you want to rotate the points....and make Rotation matrix and multiply all the points with that rotation matrix.

Go through the link:

http://in.mathworks.com/matlabcentral/answers/93554-how-can-i-rotate-a-set-of-points-in-a-plane-by-a-certain-angle-about-an-arbitrary-point

[viet le]

Thank you, Dr.Sivia it is good information but I need to project objects to the any plane. your infors are rotated the object. I think it can't apply my problems. Anyway, thanks a lot. Hope to here another information from you