Python 使用imageio保存三维打印
我想将3D打印保存为gif格式。但是,由于我无法解释的原因,以下代码不起作用。我收到错误消息:Python 使用imageio保存三维打印,python,image,numpy,matplotlib,python-imageio,Python,Image,Numpy,Matplotlib,Python Imageio,我想将3D打印保存为gif格式。但是,由于我无法解释的原因,以下代码不起作用。我收到错误消息:使用imageio.mimsave(…)时,图像必须是2D(灰度、RGB或RGBA),但我将图像保存为RGB: import numpy as np import matplotlib.pyplot as plt import imageio x = [0,1,0,0] y = [0,0,1,0] z = [0,0,0,1] fig = plt.figure(figsize=(15,9)) ax =
使用imageio.mimsave(…)
时,图像必须是2D(灰度、RGB或RGBA)
,但我将图像保存为RGB:
import numpy as np
import matplotlib.pyplot as plt
import imageio
x = [0,1,0,0]
y = [0,0,1,0]
z = [0,0,0,1]
fig = plt.figure(figsize=(15,9))
ax = fig.add_subplot(projection='3d')
ax.scatter(x,y,z,s=1500)
images = []
for n in range(0, 100):
if n >= 20:
ax.azim = ax.azim+1.1
fig.canvas.draw()
image = np.frombuffer(fig.canvas.tostring_rgb(), dtype='uint8')
images.append(image)
imageio.mimsave('test.gif', images)
np.frombuffer
返回一个平面数组,其形状(X*Y*3,)
,相反,imageio
需要一个Y×X×3(或者对于RGBA缓冲区可能是×4)。您必须重塑您的图像
In [43]: import numpy as np
...: import matplotlib.pyplot as plt
...: import imageio
...:
...: x = [0,1,0,0]
...: y = [0,0,1,0]
...: z = [0,0,0,1]
...:
...: fig = plt.figure(figsize=(5, 3)) # @100 dpi it's 500×300 pixels
...: ax = fig.add_subplot(projection='3d')
...: ax.scatter(x,y,z,s=500)
...:
...: images = []
...: for n in range(0, 25):
...: if n >= 15:
...: ax.azim = ax.azim+1.1
...: fig.canvas.draw()
...: image = np.frombuffer(fig.canvas.tostring_rgb(), dtype='uint8')
...: images.append(image.reshape(300, 500, 3)) ## Y×X
...:
...: imageio.mimsave('test.gif', images)
...:
In [44]: ls -l test.gif
-rw-r--r-- 1 boffi boffi 825988 May 21 19:46 test.gif
In [45]:
请注意,我已经修改了尺寸和帧数,使其具有更小的GIF。我下面的答案是,它在现场吗?