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Expose interaction and ancestor track IDs through physics pipeline #1

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Expose interaction and ancestor track IDs through physics pipeline #1

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2 changes: 2 additions & 0 deletions tools/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -563,6 +563,8 @@ class VolumeIntermediates(NamedTuple):
positions_cm: jnp.ndarray # (N, 3) original positions (for NN response)
positions_yz_cm: jnp.ndarray # (N, 2) projected (for wire distances)
t0_us: jnp.ndarray # (N,) initial deposit time in μs
interaction_ids: jnp.ndarray # (N,) interaction label (int16)
ancestor_track_ids: jnp.ndarray # (N,) primary shower ancestor (int32)


class PlaneIntermediates(NamedTuple):
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2 changes: 2 additions & 0 deletions tools/physics.py
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Expand Up @@ -130,6 +130,8 @@ def compute_volume_physics(
positions_cm=positions_cm,
positions_yz_cm=yz,
t0_us=deposits.t0_us,
interaction_ids=deposits.interaction_ids,
ancestor_track_ids=deposits.ancestor_track_ids,
)


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14 changes: 10 additions & 4 deletions tools/simulation.py
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Expand Up @@ -562,7 +562,8 @@ def light_one_volume(vol_deps, sim_params):
sce_fn = sce_factory()
vol_int = compute_volume_physics(
vol_deps, sim_params, vol_geom, sce_fn, _recomb_fn)
return vol_int.charges, vol_int.photons, vol_int.positions_cm
return (vol_int.charges, vol_int.photons, vol_int.positions_cm,
vol_int.interaction_ids, vol_int.ancestor_track_ids)

@jax.jit
def _light_calculator_jit(sim_params, stacked_deps):
Expand Down Expand Up @@ -730,11 +731,16 @@ def process_event_light(self, deposits: DepositData, sim_params=None):
sim_params = self._default_sim_params

stacked_deps = jax.tree.map(lambda *xs: jnp.stack(xs), *deposits.volumes)
all_charges, all_photons, all_positions = self._light_calculator_jit(
sim_params, stacked_deps)
all_charges, all_photons, all_positions, all_interaction_ids, all_ancestor_track_ids = \
self._light_calculator_jit(sim_params, stacked_deps)

filled_volumes = tuple(
vol._replace(charge=all_charges[v], photons=all_photons[v])
vol._replace(
charge=all_charges[v],
photons=all_photons[v],
interaction_ids=all_interaction_ids[v],
ancestor_track_ids=all_ancestor_track_ids[v],
)
for v, vol in enumerate(deposits.volumes)
)
return deposits._replace(volumes=filled_volumes)
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