Martino Ferrari
03b63ba03a
Full implementation of Laguerre-Gauss modal reconstruction for gyrotron beam diagnostics, per the approved design spec, plus tests, docs, and a runnable end-to-end example. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
import matplotlib.figure
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import numpy as np
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import pytest
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from he11lib.data import MeasurementPlane, ReconstructionResult
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from he11lib.plotting import plot_center_trace, plot_mode_purity, plot_residuals
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def make_result(**overrides):
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defaults = dict(
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purity={(0, 0): (0.9, 0.1), (1, 0): (0.1, -0.2)},
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reconstructed_field=np.zeros((5, 5), dtype=complex),
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centers=[(0.0, 0.0), (1e-4, -1e-4), (2e-4, -2e-4)],
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pointing_angle_deg=0.5,
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residuals=[np.ones((5, 5)), np.ones((5, 5)) * 2, np.ones((5, 5)) * 3],
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)
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defaults.update(overrides)
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return ReconstructionResult(**defaults)
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def make_planes():
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return [
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MeasurementPlane(flux=np.zeros((5, 5)), z=0.3),
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MeasurementPlane(flux=np.zeros((5, 5)), z=0.5),
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MeasurementPlane(flux=np.zeros((5, 5)), z=0.7),
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]
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def test_plot_mode_purity_draws_one_bar_per_mode():
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result = make_result()
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fig = plot_mode_purity(result)
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assert isinstance(fig, matplotlib.figure.Figure)
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ax = fig.axes[0]
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assert len(ax.patches) == len(result.purity)
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def test_plot_center_trace_plots_one_point_per_plane():
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planes = make_planes()
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result = make_result()
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fig = plot_center_trace(planes, result)
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assert isinstance(fig, matplotlib.figure.Figure)
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ax = fig.axes[0]
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line = ax.lines[0]
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assert len(line.get_xdata()) == len(planes)
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def test_plot_residuals_draws_one_axes_per_plane():
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planes = make_planes()
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result = make_result()
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fig = plot_residuals(planes, result)
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assert isinstance(fig, matplotlib.figure.Figure)
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image_axes = [ax for ax in fig.axes if ax.images]
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assert len(image_axes) == len(planes)
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def test_plot_residuals_raises_when_phase_retrieval_used_without_residuals():
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planes = make_planes()
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result = make_result(residuals=[], used_phase_retrieval=True)
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with pytest.raises(ValueError, match="residuals"):
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plot_residuals(planes, result)
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