设置一个 vispy 自动缩放，显示屏幕上的所有项目，如 pyqtgraph autoRange() function

Question

是否可以像我们对 pyqtgraph 一样为 vispy 实现自动范围 function？ 我有搜索但找不到任何或替代方法来实现它。

这是示例代码

from itertools import cycle

import numpy as np

from vispy import app, scene, io
from vispy.color import get_colormaps, BaseColormap

# Read volume
vol2 = np.load(io.load_data_file('brain/mri.npz'))['data']
vol2 = np.flipud(np.rollaxis(vol2, 1))

# Prepare canvas
canvas = scene.SceneCanvas(keys='interactive', size=(800, 600), show=True)
canvas.measure_fps()

# Set up a viewbox to display the image with interactive pan/zoom
view = canvas.central_widget.add_view()

# Set whether we are emulating a 3D texture
emulate_texture = False

# Create the volume visuals, only one is visible
volume1 = scene.visuals.Volume(vol2, parent=view.scene, threshold=0.225,
                               emulate_texture=emulate_texture)
# volume1.transform = scene.STTransform(translate=(64, 64, 0))
volume1.transform = scene.STTransform(scale=(3,3,3))
volume2 = scene.visuals.Volume(vol2, parent=view.scene, threshold=0.2,
                               emulate_texture=emulate_texture)
volume2.visible = False

print(volume1.bounds(0), volume1.bounds(1), volume1.bounds(2))

# Create two cameras (1 for firstperson, 3 for 3d person)
fov = 60.
cam1 = scene.cameras.FlyCamera(parent=view.scene, fov=fov)
cam2 = scene.cameras.TurntableCamera(parent=view.scene, fov=fov)
cam3 = scene.cameras.ArcballCamera(parent=view.scene, fov=fov)
view.camera = cam2  # Select turntable at first

if __name__ == '__main__':
    print(__doc__)
    app.run()