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我正在尝试使用 python mplot3d 在 3D 中绘制 2D 数组但是我收到关于轴 1 上不兼容维度的错误我已经查看了其他问题的答案建议使用 meshgrid 但我已经在使用它并且仍然出现错误，我的X 和 Y 范围也乘以 Z 值的数量。这是我的代码：

def view_3d(map3d):
    fig = plt.figure()
    ax = fig.gca(projection='3d')
    X = []
    Y = []
    Z = []
    for wid in range(len(map3d)):
        X.append(wid)
        for hi in range(len(map3d[wid])):
            if wid is 0:
                Y.append(hi)
            Z.append(map3d[wid][hi])
    print(len(X), len(Y), len(Z))
    X = np.array(X)
    Y = np.array(Y)

    X2, Y2 = np.meshgrid(X, Y)
    Z = np.array(Z)
    print(len(X2),len(Y2),len(Z))
    print(len(X2[0]), len(Y2[0]))
    surf = ax.plot_surface(X2, Y2, Z, rstride=1, cstride=1, cmap=cm.coolwarm,
            linewidth=0, antialiased=False)

    ax.zaxis.set_major_locator(LinearLocator(10))
    ax.zaxis.set_major_formatter(FormatStrFormatter('%.02f'))

    fig.colorbar(surf, shrink=0.5, aspect=5)

    plt.show()

传递的二维数组 (map3d) 的长度为 566×566

打印语句只是为了确认数组的长度

错误是：

Traceback (most recent call last):
  File "__init__.py", line 199, in <module>
    view_3d(map_results)
  File "__init__.py", line 163, in view_3d
    linewidth=0, antialiased=False)
  File "C:\Python27\lib\site-packages\mpl_toolkits\mplot3d\axes3d.py", line 1564, in plot_surface
    X, Y, Z = np.broadcast_arrays(X, Y, Z)
  File "C:\Python27\lib\site-packages\numpy\lib\stride_tricks.py", line 101, in broadcast_arrays
    "incompatible dimensions on axis %r." % (axis,))
ValueError: shape mismatch: two or more arrays have incompatible dimensions on axis 1.

运行代码和查看错误所需的代码和图像的谷歌驱动器链接如下： https ://drive.google.com/folderview?id=0B2ssDQewnhReWGJZYXZRSXNxRFU&usp=sharing

感谢所有帮助，谢谢

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1 回答 1

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您的Z阵列必须具有与工作相同的X2,Y2形状plot_surface。所以我换了行

Z = np.array(Z)

至

Z = np.array(Z).reshape(Y.size,X.size)

它奏效了！

于 2015-01-12T12:30:23.040 回答