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"""
Interactive scripting
=====================
.. tags:: interactivity
"""
import time
import numpy as np
import napari
from napari.qt import thread_worker
# create the viewer with an image
data = np.random.random((512, 512))
viewer = napari.Viewer()
layer = viewer.add_image(data)
def update_layer(data):
layer.data = data
@thread_worker(connect={'yielded': update_layer})
def create_data(*, update_period, num_updates):
# number of times to update
for _k in range(num_updates):
yield np.random.random((512, 512))
time.sleep(update_period)
create_data(update_period=0.05, num_updates=50)
if __name__ == '__main__':
napari.run()
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