35 lines
977 B
Python
35 lines
977 B
Python
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#====================================================================
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# 保存和输入matlat格式数据，并画图显示
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#
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#====================================================================
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import scipy.io as sio
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import numpy as np
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import matplotlib.pyplot as plt
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from mpl_toolkits.mplot3d import Axes3D
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# 创建4个变量，并赋值
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#sio.savemat('data/testpython.mat', {'a': 1, 'b': 5, 'c': 3, 'd': 4})
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# 创建了一个变量x，并赋予一个矩阵
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#sio.savemat('data/testpython2.mat', {'x': [[1, 3, 5, 4], [5, 3, 2, 8]]})
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data = sio.loadmat('data/testpython.mat')
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data2 = sio.loadmat('data/testpython2.mat')
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x=np.zeros([1,4])
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x[0][0] = data['a']
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x[0][1] = data['b']
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x[0][2] = data['c']
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x[0][3] = data['d']
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y=data2['x']
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print(x,x.dtype,y[0],y[0].dtype)
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fig = plt.figure()
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ax = fig.add_subplot(111, projection='3d')
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xs = x
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ys = y[0]
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zs = y[1]
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ax.scatter(xs, ys, zs, c='b', marker='o')
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ax.set_xlabel('x')
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ax.set_ylabel('y')
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ax.set_zlabel('z')
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plt.show()
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plt.close()
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