diff --git a/examples/features_hist.py b/examples/features_hist.py new file mode 100644 index 00000000..899ddef3 --- /dev/null +++ b/examples/features_hist.py @@ -0,0 +1,42 @@ +""" +Hisogram of features +==================== +""" + +import napari +import numpy as np +import numpy.typing as npt +from skimage.measure import regionprops_table + +# make a test label image +label_image: npt.NDArray[np.uint16] = np.zeros((100, 100), dtype=np.uint16) + +label_image[10:20, 10:20] = 1 +label_image[50:70, 50:70] = 2 + +feature_table_1 = regionprops_table( + label_image, properties=("label", "area", "perimeter") +) +feature_table_1["index"] = feature_table_1["label"] + +# make the points data +n_points = 100 +points_data = 100 * np.random.random((100, 2)) +points_features = { + "feature_0": np.random.random((n_points,)), + "feature_1": np.random.random((n_points,)), + "feature_2": np.random.random((n_points,)), +} + +# create the viewer +viewer = napari.Viewer() +viewer.add_labels(label_image, features=feature_table_1) +viewer.add_points(points_data, features=points_features) + +# make the widget +viewer.window.add_plugin_dock_widget( + plugin_name="napari-matplotlib", widget_name="FeaturesHistogram" +) + +if __name__ == "__main__": + napari.run() pFad - Phonifier reborn

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