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Add method to set individual particle macrosizes #6

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Merged
merged 4 commits into from
Mar 14, 2025
Merged

Add method to set individual particle macrosizes #6

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1a93ad3
Add set_particle_macrosizes method
austin-hoover Mar 14, 2025
ad00c62
Add test_set_particle_macrosizes
austin-hoover Mar 14, 2025
267543a
Fix ring diagnostic
austin-hoover Mar 14, 2025
834bfa5
Merge branch 'main' into dev
austin-hoover Mar 14, 2025
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8 changes: 8 additions & 0 deletions orbit_tools/bunch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,14 @@
from .cov import normalization_matrix


def set_particle_macrosizes(bunch: Bunch, macrosizes: Iterable) -> Bunch:
bunch.addPartAttr("macrosize") # sets macrosize=0 for all particles
attribute_array_index = 0
for index in range(bunch.getSize()):
bunch.partAttrValue("macrosize", index, attribute_array_index, macrosizes[index])
return bunch


def get_part_coords(bunch: Bunch, index: int) -> list[float]:
x = bunch.x(index)
y = bunch.y(index)
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9 changes: 9 additions & 0 deletions tests/test_bunch.py
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Expand Up @@ -126,3 +126,12 @@ def sample():
def test_get_bunch_twiss_containers():
bunch = make_gaussian_bunch()
twiss_x, twiss_y, twiss_z = ot.bunch.get_bunch_twiss_containers(bunch)


def test_set_particle_macrosizes():
bunch = make_gaussian_bunch()
macrosizes = list(range(bunch.getSize()))
bunch = ot.bunch.set_particle_macrosizes(bunch, macrosizes)
for i, macrosize in enumerate(macrosizes):
assert macrosize == bunch.partAttrValue("macrosize", i, 0)

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