matplotlib_test.py 文件源码

def threeD():
    fig = figure()
    ax = Axes3D(fig)
    X = np.arange(-4, 4, 0.25)
    Y = np.arange(-4, 4, 0.25)
    X, Y = np.meshgrid(X, Y)
    R = np.sqrt(X ** 2 + Y ** 2)
    Z = np.sin(R)

    ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap='hot')
    show()