navis.get_viewer¶

navis.get_viewer()[source]¶

Grab active 3D viewer.

Return type:: Viewer

Examples

>>> import navis
>>> from vispy import scene
>>> # Get and plot neuron in 3d
>>> n = navis.example_neurons(1)
>>> _ = n.plot3d(color='red')
>>> # Grab active viewer and add custom text
>>> viewer = navis.get_viewer()
>>> text = scene.visuals.Text(text='TEST',
...                           pos=(0, 0, 0))
>>> viewer.add(text)
>>> # Close viewer
>>> viewer.close()