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fix: fix bug in computation of negative data within SimMonitor

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appel_c
2024-03-01 13:03:56 +01:00
parent 5496b59ae2
commit f4141f0dbf
1 changed files with 5 additions and 5 deletions
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10
ophyd_devices/sim/sim_data.py
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@ -423,7 +423,7 @@ class SimulatedDataMonitor(SimulatedDataBase):
if compute_readback: if compute_readback:
method = self._compute method = self._compute
value = self.execute_simulation_method(method=method, signal_name=signal_name) value = self.execute_simulation_method(method=method, signal_name=signal_name)
value = self.bit_depth(value) value = self.bit_depth(np.max(value, 0))
self.update_sim_state(signal_name, value) self.update_sim_state(signal_name, value)
def _compute(self, *args, **kwargs) -> int: def _compute(self, *args, **kwargs) -> int:
@ -453,12 +453,12 @@ class SimulatedDataMonitor(SimulatedDataBase):
int: Value with added noise. int: Value with added noise.
""" """
if noise == NoiseType.POISSON: if noise == NoiseType.POISSON:
v = np.ceil(np.random.poisson(v)).astype(int) v = np.random.poisson(v)
return v return v
elif noise == NoiseType.UNIFORM: elif noise == NoiseType.UNIFORM:
noise = np.ceil(np.random.uniform(0, 1) * noise_multiplier).astype(int) noise = np.random.uniform(-1, 1) * noise_multiplier
v += noise * (np.random.randint(0, 2) * 2 - 1) v += noise
return v if v > 0 else 0 return v
return v return v