Cursor position

Add small data to examine cursor positions

Tags: interactivity

Python (.py)

Notebook (.ipynb)

/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 numpy as np

import napari

viewer = napari.Viewer()
image = np.array([[1, 0, 0, 1],
                  [0, 0, 1, 1],
                  [1, 0, 3, 0],
                  [0, 2, 0, 0]], dtype=int)

viewer.add_labels(image)

points = np.array([[0, 0], [2, 0], [1, 3]])
viewer.add_points(points, size=0.25)

rect = np.array([[0, 0], [3, 1]])
viewer.add_shapes(rect, shape_type='rectangle', edge_width=0.1)

vect = np.array([[[3, 2], [-1, 1]]])
viewer.add_vectors(vect, edge_width=0.1)

if __name__ == '__main__':
    napari.run()