Vertical Line Markers

Create a signal

import hyperspy.api as hs
import matplotlib.pyplot as plt
import numpy as np

# Create a Signal2D with 2 navigation dimensions
rng = np.random.default_rng(0)
data = rng.random((25, 25, 100))
s = hs.signals.Signal1D(data)

This first example shows how to draw 3 static (same position for all navigation coordinate) vetical lines

offsets = np.array([10, 20, 40])

m = hs.plot.markers.VerticalLines(
    offsets=offsets,
    linewidth=3,
    colors=['r', 'g', 'b'],
    )

s.plot()
s.add_marker(m)

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Dynamic Line Markers

This example shows how to draw dynamic lines markers, whose positions and numbers depends on the navigation coordinates

offsets = np.empty(s.axes_manager.navigation_shape, dtype=object)
for ind in np.ndindex(offsets.shape):
    offsets[ind] = rng.random(rng.integers(10)) * 100

# Get list of colors
colors = list(plt.rcParams['axes.prop_cycle'].by_key()['color'])

m = hs.plot.markers.VerticalLines(
    offsets=offsets,
    linewidth=5,
    colors=colors,
    )

s.plot()
s.add_marker(m)

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sphinx_gallery_thumbnail_number = 2