MATLAB: How to project a 2D image to another plane

image projection

Dear all,
I would like to project an image with 2D Gaussian intensity distribution to another plane, which is rotated by an angle of theta with respect to x-axis, for instance.
How to calculate the new intensity distribution F(x', y')?
Thanks in advance.

Best Answer

Use rotate in-built function
[x,y] = meshgrid(-10:0.5:10);
z = 10*sin(hypot(x,y))./hypot(x,y);
h = surf(x,y,z);
    % rotate data around X axis
    % angle 10 degrees
    % point of rotation [0 10 0]
rotate(h,[1 0 0],10,[0 10 0]);
axis vis3d equal
X = get(h,'xdata');
Y = get(h,'ydata');
Z = get(h,'zdata');
figure
pcolor(X,Y,Z)
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