clear m_data =load('xuanzhuan1.txt'); figure(1) x_temp = m_data(:,1); x = x_temp(1:10:length(x_temp));%数据截断 y = zeros(length(x),1); z_temp = m_data(:,2); z = z_temp(1:10:length(z_temp)); hold on; xlabel('x/mm axis') ylabel('y/mm axis') zlabel('z/um axis') plot3(x,y,z); %% 绕z轴旋转 r = sqrt(x.^2+y.^2); % 绕z轴旋转，求各点到z轴的距离r,即旋转半径 n = length(z); alpha = linspace(-pi,pi,n); xx = r * cos(alpha); % 前面的x,y,z是列向量，r就是列向量，列向量*行向量生成n阶矩阵 yy = r * sin(alpha); zz = z * ones(1,n); figure(2) %mesh(xx,yy,zz) % 之后可以用hidden off来关闭透视效果。 surf(xx,yy,zz); xlabel('x/mm axis') ylabel('y/mm axis') zlabel('z/um axis') axis equal; shading interp; colorbar 