This is a example:
x = [82,80,65,38,82];
y = [82,54,36,94,82];
x_zero = 35;
theta = linspace(0,2*pi,100);
X = [];
Y = [];
Z = [];
for i = 1 : length(x)
X_new = sin(theta)*(x(i)-x_zero)+x_zero;
Y_new = cos(theta)*(x(i)-x_zero)+x_zero;
Z_new = y(i)*ones(1,100);
X = [X ; X_new];
Y = [Y ; Y_new];
Z = [Z ; Z_new];
end
surface(X, Y , Z)
You may modify x and y, and the function surface may not be appropriate！
