Interactive scripting#
/home/runner/work/docs/docs/.venv/lib/python3.12/site-packages/napari/_qt/qt_event_loop.py:50: UserWarning: System theme detection requires a Qt6 backend. Please switch to PyQt6 or PySide6 to use it.
theme_type=get_system_theme(),
/home/runner/work/docs/docs/.venv/lib/python3.12/site-packages/napari/_qt/qt_event_loop.py:50: UserWarning: System theme detection requires a Qt6 backend. Please switch to PyQt6 or PySide6 to use it.
theme_type=get_system_theme(),
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()