fig, rect=[0, 0, .95, 1], elev=48, azim=134)
时间: 2023-10-06 08:11:29 浏览: 93
I'm sorry, as an AI language model, I'm not able to understand the context or purpose of the code snippet you provided. Can you please provide more information or context so that I can better assist you?
相关问题
def plots(tmp): plt.ion() for xyz in tmp: xa.append(xyz[2]) ya.append(xyz[0]) za.append(xyz[1]) plt.clf() fig = plt.gcf() ax = fig.gca(projection='3d') ax.view_init(elev=-142, azim=-21) ax.plot(xa, ya, za, 'b') plt.pause(0.1) plt.ioff() plt.show()我想把动态绘制的图保存为gif
你使用imageio库将每一帧保存为图片,然后使用Pillow库将这些图片合成为gif。以下是一个示例代码:
```
import matplotlib.pyplot as plt
import imageio
from PIL import Image
def plots(tmp):
xa, ya, za = [], [], []
plt.ion()
for i, xyz in enumerate(tmp):
xa.append(xyz[2])
ya.append(xyz[0])
za.append(xyz[1])
plt.clf()
fig = plt.gcf()
ax = fig.gca(projection='3d')
ax.view_init(elev=-142, azim=-21)
ax.plot(xa, ya, za, 'b')
plt.pause(0.1)
plt.ioff()
# 保存当前帧为图片
plt.savefig(f"frame_{i}.png")
# 合成图片为gif
images = []
for i in range(len(tmp)):
img = Image.open(f"frame_{i}.png")
images.append(img)
images[0].save('animation.gif', save_all=True, append_images=images[1:], duration=100, loop=0)
plt.show()
```
在调用`plots()`函数时,会在当前路径下生成很多png图片,然后这些图片会被合成为一个名为`animation.gif`的gif文件。你可以根据需要修改保存的路径和文件名、每一帧之间的间隔时间等参数。
x, y, z = x,y,np.real(f1) # 创建3D画布 fig = plt.figure() ax = fig.add_subplot(111, projection='3d') # 绘制三维物体 #ax.scatter(x, y, z) ax.plot_surface(x,y,z) # 获取投影面 ax.view_init(elev=45, azim=45) ax.dist = 10 # 调整视点距离,使投影更清晰 ax.set_box_aspect((np.ptp(x), np.ptp(y), np.ptp(z))) # 调整坐标轴比例,使图像更美观 ax.set_axis_off() # 隐藏坐标轴,使投影更清晰 ax.figure.canvas.draw() data = np.frombuffer(ax.figure.canvas.tostring_rgb(), dtype=np.uint8).reshape(ax.figure.canvas.get_width_height()[::-1] + (3,)) # 显示投影截面图 print(data.shape) print(np.array([x,y,z]).shape) plt.imshow(data) plt.show() 报错NotImplementedError: Axes3D currently only supports the aspect argument 'auto'. You passed in 'equal'.
这是因为在调用`ax.set_box_aspect()`方法时,你将参数设置为了一个元组`(np.ptp(x), np.ptp(y), np.ptp(z))`,这个元组的值与坐标轴的比例不一致,因此会报错。在这种情况下,你应该将`ax.set_box_aspect()`方法的参数设置为字符串`'auto'`,这样它就会自动调整坐标轴的比例以适应数据。修改代码如下:
```python
x, y, z = x,y,np.real(f1)
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
# 绘制三维物体
ax.plot_surface(x,y,z)
# 调整视角
ax.view_init(elev=45, azim=45)
ax.dist = 10
# 调整坐标轴比例
ax.set_box_aspect('auto')
# 隐藏坐标轴
ax.set_axis_off()
# 显示投影截面图
ax.figure.canvas.draw()
data = np.frombuffer(ax.figure.canvas.tostring_rgb(), dtype=np.uint8).reshape(ax.figure.canvas.get_width_height()[::-1] + (3,))
plt.imshow(data)
plt.show()
```
这样就不会再出现`NotImplementedError`错误了。
阅读全文
相关推荐















