"""
Remove Background
=================

This example removes a constant background from a dataset.
"""

# %%
# Load the data
import lumispy as lum
import matplotlib.pyplot as plt

cl1 = lum.data.asymmetric_peak_map()

# %%
# Display the original data

cl1.plot()
plt.close(1)

# %%
# Now we remove the background and display the data
#
# If the parameter ``signal_range`` is not given, it can be selected interactively, see :py:meth:`hyperspy.api.signals.Signal1D.remove_background`.


cl2 = cl1.remove_background(signal_range=(550.0, 620.0), background_type="Offset")

cl2.plot()
plt.close(1)

# sphinx_gallery_start_ignore
# sphinx_gallery_thumbnail_number = 2
# sphinx_gallery_end_ignore