def test_actor_removal():
s = Scene()
th = s.add_brain_region("TH")
assert len(s.actors) == 2
s.remove(th)
assert len(s.actors) == 1
s.remove("no actor")
assert len(s.actors) == 1
cam = {
"pos": (-4767, -3533, -31261),
"viewup": (0, -1, 0),
"clippingRange": (22849, 40012),
"focalPoint": (11035, 4324, -6224),
"distance": 30632,
}
# Create a brainrender scene
scene = Scene(title="projections from " + region, root=False)
# Add brain regions
scene.add_brain_region(*regions, alpha=0.6, silhouette=True)
scene.add_brain_region("PAG", alpha=0.2, silhouette=False)
# Get stramlines data and add
streams = get_streamlines_for_region(region)
zoom = 2
for n, stream in enumerate(streams):
act = scene.add(*make_streamlines(stream, color="salmon", alpha=0.6))
# Render!
scene.render(interactive=False, zoom=zoom, camera=cam)
scene.screenshot(dest_fld + f"/{region}_streams_{n}")
scene.remove(act)
zoom = 1
# break
