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Scale bar#
Display a 3D volume and the scale bar
from skimage import data
import napari
cells = data.cells3d()
viewer = napari.Viewer(ndisplay=3)
viewer.add_image(
cells,
name=('membrane', 'nuclei'),
channel_axis=1,
scale=(0.29, 0.26, 0.26),
)
viewer.scale_bar.visible = True
viewer.scale_bar.unit = "um"
if __name__ == '__main__':
napari.run()