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Make sure the observations get independent instances of the noise PSD #75

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Jun 25, 2020
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Make sure the observations get independent instances of the noise PSD #75

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10 changes: 5 additions & 5 deletions sotodlib/utils/pipeline_tools/observation.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
# Copyright (c) 2019 Simons Observatory.
# Full license can be found in the top level "LICENSE" file.

import copy

import numpy as np

from toast.dist import distribute_uniform, Data
Expand Down Expand Up @@ -35,7 +37,7 @@ def add_import_args(parser):


@function_timer
def create_observation(args, comm, telescope, ces, noise, verbose=True):
def create_observation(args, comm, telescope, ces, verbose=True):
""" Create a TOAST observation.

Create an observation for the CES scan defined by all_ces_tot[ices].
Expand Down Expand Up @@ -103,7 +105,7 @@ def create_observation(args, comm, telescope, ces, noise, verbose=True):
)
obs["tod"] = tod
obs["baselines"] = None
obs["noise"] = focalplane.noise
obs["noise"] = copy.deepcopy(focalplane.noise)
obs["id"] = int(ces.mjdstart * 10000)
obs["intervals"] = tod.subscans
obs["site"] = site.name
Expand Down Expand Up @@ -146,7 +148,6 @@ def create_observations(args, comm, schedules):
for schedule in schedules:

telescope = schedule.telescope
noise = telescope.focalplane.noise
all_ces = schedule.ceslist
nces = len(all_ces)

Expand All @@ -157,8 +158,7 @@ def create_observations(args, comm, schedules):
group_numobs = groupdist[comm.group][1]

for ices in range(group_firstobs, group_firstobs + group_numobs):
# Noise model for this CES
obs = create_observation(args, comm, telescope, all_ces[ices], noise)
obs = create_observation(args, comm, telescope, all_ces[ices])
data.obs.append(obs)

if comm.comm_world is None or comm.comm_group.rank == 0:
Expand Down