Làm thế nào để bạn làm cho một ô 3d lớn hơn trong python?
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08/12/2022
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Ghi chú Nhấp vào đây để tải xuống mã ví dụ đầy đủ Chứng minh sử dụng import numpy as np import matplotlib.pyplot as plt from matplotlib.patches import Circle, PathPatch from matplotlib.text import TextPath from matplotlib.transforms import Affine2D import mpl_toolkits.mplot3d.art3d as art3d def text3d(ax, xyz, s, zdir="z", size=None, angle=0, usetex=False, **kwargs): """ Plots the string *s* on the axes *ax*, with position *xyz*, size *size*, and rotation angle *angle*. *zdir* gives the axis which is to be treated as the third dimension. *usetex* is a boolean indicating whether the string should be run through a LaTeX subprocess or not. Any additional keyword arguments are forwarded to `.transform_path`. Note: zdir affects the interpretation of xyz. """ x, y, z = xyz if zdir == "y": xy1, z1 = (x, z), y elif zdir == "x": xy1, z1 = (y, z), x else: xy1, z1 = (x, y), z text_path = TextPath((0, 0), s, size=size, usetex=usetex) trans = Affine2D().rotate(angle).translate(xy1[0], xy1[1]) p1 = PathPatch(trans.transform_path(text_path), **kwargs) ax.add_patch(p1) art3d.pathpatch_2d_to_3d(p1, z=z1, zdir=zdir) fig = plt.figure() ax = fig.add_subplot(projection='3d') # Draw a circle on the x=0 'wall' p = Circle((5, 5), 3) ax.add_patch(p) art3d.pathpatch_2d_to_3d(p, z=0, zdir="x") # Manually label the axes text3d(ax, (4, -2, 0), "X-axis", zdir="z", size=.5, usetex=False, ec="none", fc="k") text3d(ax, (12, 4, 0), "Y-axis", zdir="z", size=.5, usetex=False, angle=np.pi / 2, ec="none", fc="k") text3d(ax, (12, 10, 4), "Z-axis", zdir="y", size=.5, usetex=False, angle=np.pi / 2, ec="none", fc="k") # Write a Latex formula on the z=0 'floor' text3d(ax, (1, 5, 0), r"$\displaystyle G_{\mu\nu} + \Lambda g_{\mu\nu} = " r"\frac{8\pi G}{c^4} T_{\mu\nu} $", zdir="z", size=1, usetex=True, ec="none", fc="k") ax.set_xlim(0, 10) ax.set_ylim(0, 10) ax.set_zlim(0, 10) plt.show()
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