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"""
Annotate 2D
===========
Display one points layer ontop of one image layer using the ``add_points`` and
``add_image`` APIs
.. tags:: analysis
"""
import numpy as np
from skimage import data
import napari
print('click to add points; close the window when finished.')
viewer = napari.Viewer()
layer = viewer.add_image(data.astronaut(), rgb=True)
points = viewer.add_points(np.zeros((0, 2)))
points.mode = 'add'
if __name__ == '__main__':
napari.run()
print('you clicked on:')
print(points.data)
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