From 681d2b3de6270201a06f98e473bb2e2170df1998 Mon Sep 17 00:00:00 2001
From: Christoph <christophwelling@uchicago.edu>
Date: Tue, 29 Aug 2023 11:39:00 -0500
Subject: [PATCH] Set station time and only read shower energies if simulation
 is in particle mode

---
 NuRadioMC/simulation/hardware_response_simulator.py | 3 +++
 NuRadioMC/simulation/shower_simulator.py            | 7 ++++---
 NuRadioMC/simulation/simulation.py                  | 6 +++---
 NuRadioMC/simulation/station_simulator.py           | 6 ++++--
 4 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/NuRadioMC/simulation/hardware_response_simulator.py b/NuRadioMC/simulation/hardware_response_simulator.py
index 8181691f8..4f0e856c0 100644
--- a/NuRadioMC/simulation/hardware_response_simulator.py
+++ b/NuRadioMC/simulation/hardware_response_simulator.py
@@ -1,5 +1,6 @@
 import numpy as np
 import copy
+import astropy.time
 import NuRadioReco.framework.station
 import NuRadioReco.framework.sim_station
 import NuRadioReco.framework.event
@@ -138,6 +139,8 @@ def simulate_detector_response(
             new_station = NuRadioReco.framework.station.Station(station_id)
             new_station.set_sim_station(new_sim_station)
             new_event = NuRadioReco.framework.event.Event(self.__event_group_id, i_sub_event)
+            new_station.set_station_time(astropy.time.Time(['2018-01-01T00:00:01.000'], scale='utc', format='isot'))
+            new_station.get_sim_station().set_station_time(new_station.get_station_time())
             new_event.set_station(new_station)
             if self.__config['signal']['zerosignal']:
                 self.__increase_signal(new_station, None, 0)
diff --git a/NuRadioMC/simulation/shower_simulator.py b/NuRadioMC/simulation/shower_simulator.py
index 9e076ddde..db9efce17 100644
--- a/NuRadioMC/simulation/shower_simulator.py
+++ b/NuRadioMC/simulation/shower_simulator.py
@@ -50,7 +50,8 @@ def set_event_group(
             self,
             i_event_group,
             event_group_id,
-            event_indices
+            event_indices,
+            particle_mode
     ):
         self.__i_event_group = i_event_group
         self.__event_group_id = event_group_id
@@ -63,7 +64,8 @@ def set_event_group(
         self.__event_group_vertex_distances = np.linalg.norm(
             self.__event_group_vertices - self.__event_group_vertices[0], axis=1
         )
-        self.__event_group_shower_energies = self.__input_data['energies'][event_indices]
+        if particle_mode:
+            self.__event_group_shower_energies = self.__input_data['energies'][event_indices]
         self.__channel_efield_simulator.set_event_group(np.sum(self.__event_group_shower_energies))
 
     def simulate_shower(
@@ -86,7 +88,6 @@ def simulate_shower(
             self.__input_data['yy'][shower_index],
             self.__input_data['zz'][shower_index]
         ])
-        vertex_time = self.__input_data['vertex_times'][shower_index]
         if not self.__distance_cut(shower_vertex):
             return [], [], [], [], [], [], [], []
         if not self.__in_fiducial_volume(shower_vertex):
diff --git a/NuRadioMC/simulation/simulation.py b/NuRadioMC/simulation/simulation.py
index 545a51fc8..34cbb9794 100644
--- a/NuRadioMC/simulation/simulation.py
+++ b/NuRadioMC/simulation/simulation.py
@@ -89,7 +89,7 @@ def run(self):
         self._n_showers = len(self._fin['event_group_ids'])
         self._shower_ids = np.array(self._fin['shower_ids'])
         self._shower_index_array = {}  # this array allows to convert the shower id to an index that starts from 0 to be used to access the arrays in the hdf5 file.
-
+        self.__particle_mode = "simulation_mode" not in self._fin_attrs or self._fin_attrs['simulation_mode'] != "emitter"
         self._raytracer = self._prop(
             self._ice, self._cfg['propagation']['attenuation_model'],
             log_level=self._log_level_ray_propagation,
@@ -152,7 +152,6 @@ def run(self):
 
         # Check if vertex_times exists:
         self._check_vertex_times()
-
         self._input_time = 0.0
         self._askaryan_time = 0.0
         self._rayTracingTime = 0.0
@@ -226,7 +225,8 @@ def run(self):
             self.__station_simulator.set_event_group(
                 i_event_group_id,
                 event_group_id,
-                event_indices
+                event_indices,
+                self.__particle_mode
             )
             self.__hardware_response_simulator.set_event_group(
                 event_group_id
diff --git a/NuRadioMC/simulation/station_simulator.py b/NuRadioMC/simulation/station_simulator.py
index 379e9f487..9f98d6059 100644
--- a/NuRadioMC/simulation/station_simulator.py
+++ b/NuRadioMC/simulation/station_simulator.py
@@ -37,12 +37,14 @@ def set_event_group(
             self,
             i_event_group,
             event_group_id,
-            shower_indices
+            shower_indices,
+            particle_mode
     ):
         self.__shower_simulator.set_event_group(
             i_event_group,
             event_group_id,
-            shower_indices
+            shower_indices,
+            particle_mode
         )
         self.__i_event_group = i_event_group
         self.__event_group_id = event_group_id