def from_file_hessio(filename,tel_id,item):
"""
reads the Optics data out of the open hessio file
Parameters
----------
filename: string
name of the hessio file (must be a hessio file!)
tel_id: int
ID of the telescope whose optics information should be loaded
"""
mir_class = -1
mir_area = h.get_mirror_area(tel_id)*u.m**2
mir_number = h.get_mirror_number(tel_id)
prim_mirpar = [-1]
prim_refrad = -1*u.cm
prim_diameter = -1*u.cm
prim_hole_diam = -1*u.cm
sec_mirpar = [-1]
sec_refrad = -1*u.cm
sec_diameter = -1*u.cm
sec_hole_diam = -1*u.cm
mir_reflection = [[-1]*u.nm,[-1]]
opt_foclen = h.get_optical_foclen(tel_id)*u.m
foc_surfparam = -1
foc_surf_refrad = -1*u.cm
tel_trans = -1
return(mir_class,mir_area,mir_number,prim_mirpar,prim_refrad,
prim_diameter,prim_hole_diam,sec_mirpar,sec_refrad,sec_diameter,
sec_hole_diam,mir_reflection,opt_foclen,foc_surfparam,
foc_surf_refrad,tel_trans)
def _initialize_hessio(filename,tel_id,item):
"""
reads the Optics data out of the open hessio file
Parameters
----------
filename: string
name of the hessio file (must be a hessio file!)
tel_id: int
ID of the telescope whose optics information should be loaded
"""
mir_class = -1
mir_area = h.get_mirror_area(tel_id)*u.m**2
mir_number = h.get_mirror_number(tel_id)
prim_mirpar = [-1]
prim_refrad = -1*u.cm
prim_diameter = -1*u.cm
prim_hole_diam = -1*u.cm
sec_mirpar = [-1]
sec_refrad = -1*u.cm
sec_diameter = -1*u.cm
sec_hole_diam = -1*u.cm
mir_reflection = [[-1]*u.nm,[-1]]
opt_foclen = h.get_optical_foclen(tel_id)*u.m
foc_surfparam = -1
foc_surf_refrad = -1*u.cm
tel_trans = -1
return(mir_class,mir_area,mir_number,prim_mirpar,prim_refrad,
prim_diameter,prim_hole_diam,sec_mirpar,sec_refrad,sec_diameter,
sec_hole_diam,mir_reflection,opt_foclen,foc_surfparam,
foc_surf_refrad,tel_trans)
def hessio_event_source(url, max_events=None, allowed_tels=None):
"""A generator that streams data from an EventIO/HESSIO MC data file
(e.g. a standard CTA data file.)
Parameters
----------
url : str
path to file to open
max_events : int, optional
maximum number of events to read
allowed_tels : list[int]
select only a subset of telescope, if None, all are read. This can
be used for example emulate the final CTA data format, where there
would be 1 telescope per file (whereas in current monte-carlo,
they are all interleaved into one file)
"""
ret = pyhessio.file_open(url)
if ret is not 0:
raise RuntimeError("hessio_event_source failed to open '{}'"
.format(url))
counter = 0
eventstream = pyhessio.move_to_next_event()
if allowed_tels is not None:
allowed_tels = set(allowed_tels)
container = Container("hessio_container")
container.meta.add_item('hessio__input', url)
container.meta.add_item('hessio__max_events', max_events)
container.meta.add_item('pixel_pos', dict())
container.meta.add_item('optical_foclen', dict())
container.add_item("dl0", RawData())
container.add_item("mc", MCEvent())
container.add_item("trig", CentralTriggerData())
container.add_item("count")
for run_id, event_id in eventstream:
container.dl0.run_id = run_id
container.dl0.event_id = event_id
container.dl0.tels_with_data = set(pyhessio.get_teldata_list())
# handle telescope filtering by taking the intersection of
# tels_with_data and allowed_tels
if allowed_tels is not None:
selected = container.dl0.tels_with_data & allowed_tels
if len(selected) == 0:
continue # skip event
container.dl0.tels_with_data = selected
container.trig.tels_with_trigger \
= pyhessio.get_central_event_teltrg_list()
time_s, time_ns = pyhessio.get_central_event_gps_time()
container.trig.gps_time = Time(time_s * u.s, time_ns * u.ns,
format='gps', scale='utc')
container.mc.energy = pyhessio.get_mc_shower_energy() * u.TeV
container.mc.alt = Angle(pyhessio.get_mc_shower_altitude(), u.rad)
container.mc.az = Angle(pyhessio.get_mc_shower_azimuth(), u.rad)
container.mc.core_x = pyhessio.get_mc_event_xcore() * u.m
container.mc.core_y = pyhessio.get_mc_event_ycore() * u.m
container.count = counter
# this should be done in a nicer way to not re-allocate the
# data each time (right now it's just deleted and garbage
# collected)
container.dl0.tel = dict() # clear the previous telescopes
for tel_id in container.dl0.tels_with_data:
# fill pixel position dictionary, if not already done:
if tel_id not in container.meta.pixel_pos:
container.meta.pixel_pos[tel_id] \
= pyhessio.get_pixel_position(tel_id) * u.m
container.meta.optical_foclen[tel_id] = pyhessio.get_optical_foclen(tel_id) * u.m;
# fill the photo electrons list
if tel_id not in container.mc.photo_electrons:
container.mc.photo_electrons[tel_id] = dict()
for pix_id in range(pyhessio.get_num_pixels(tel_id)):
container.mc.photo_electrons[tel_id][pix_id] = pyhessio.get_mc_number_photon_electron(tel_id, pix_id)[0]
nchans = pyhessio.get_num_channel(tel_id)
container.dl0.tel[tel_id] = RawCameraData(tel_id)
container.dl0.tel[tel_id].num_channels = nchans
# load the data per telescope/chan
for chan in range(nchans):
container.dl0.tel[tel_id].adc_samples[chan] \
= pyhessio.get_adc_sample(channel=chan,
telescope_id=tel_id)
container.dl0.tel[tel_id].adc_sums[chan] \
= pyhessio.get_adc_sum(channel=chan,
telescope_id=tel_id)
yield container
counter += 1
if max_events is not None and counter > max_events:
return
def load_hessio(filename):
"""
Function to open and load a hessio file
Parameters
----------
filename: string
name of the file
"""
print("Hessio file will be opened.")
h.file_open(filename)
next(h.move_to_next_event())
#version = h.get...
version = 'Feb2016'
#Creating 3 dictionaries where the instrument configuration will be stored
#The dictionaries themselves contain astropy.table.Table objects
telescope = {}
camera = {}
optics = {}
#--------------------------------------------------------------------------
#Telescope configuration
tel_table_prime = Table()
tel_table_prime.meta = {'VERSION': version}
try:
tel_id = h.get_telescope_ids()
tel_table_prime['TelID']= tel_id
except: pass
try:
tel_posX = [h.get_telescope_position(i)[0] for i in tel_id]
tel_table_prime['TelX'] = tel_posX
tel_table_prime['TelX'].unit = u.m
tel_table_prime.meta['TelX_description'] =\
'x-position of the telescope measured by...'
except: pass
try:
tel_posY = [h.get_telescope_position(i)[1] for i in tel_id]
tel_table_prime['TelY'] = tel_posY
tel_table_prime['TelY'].unit = u.m
except: pass
try:
tel_posZ = [h.get_telescope_position(i)[2] for i in tel_id]
tel_table_prime['TelZ'] = tel_posZ
tel_table_prime['TelZ'].unit = u.m
except: pass
try: tel_table['CameraClass'] = [h.get_camera_class(i) for i in tel_id]
except: pass
try:
tel_table_prime['MirA'] = [h.get_mirror_area(i) for i in tel_id]
tel_table_prime['MirA'].unit = u.m**2
except: pass
try: tel_table_prime['MirN'] = [h.get_mirror_number(i) for i in tel_id]
except: pass
try:
tel_table_prime['FL'] = [h.get_optical_foclen(i) for i in tel_id]
tel_table_prime['FL'].unit = u.m
except: pass
try: tel_table_prime.meta['TelNum'] = len(tel_posX)
except: pass
#Beside other tables containimng telescope configuration data, the main
#telescope table is written into the telescope dictionary.
telescope['TelescopeTable_Version%s' % version] = tel_table_prime
#--------------------------------------------------------------------------
#Camera and Optics configuration
try:
for t in range(len(tel_id)):
cam_table_prime = Table()
cam_table_prime.meta = {'TELID': tel_id[t], 'VERSION': version}
opt_table_prime = Table()
opt_table_prime.meta = {'TELID': tel_id[t], 'VERSION': version}
try:
pix_posX = h.get_pixel_position(tel_id[t])[0]
pix_id = np.arange(len(pix_posX))
cam_table_prime['PixID'] = pix_id
cam_table_prime['PixX'] = pix_posX
cam_table_prime['PixX'].unit = u.m
cam_table_prime.meta['PixXDescription'] =\
'x-position of the pixel measured by...'
except: pass
try:
pix_posY = h.get_pixel_position(tel_id[t])[1]
cam_table_prime['PixY'] = pix_posY
cam_table_prime['PixY'].unit = u.m
except: pass
try:
camera_class = CD.guess_camera_geometry(pix_posX*u.m,pix_posY*u.m)
pix_area_prime = camera_class.pix_area
pix_type_prime = camera_class.pix_type
pix_neighbors_prime = camera_class.pix_neighbors
except: pass
try:
pix_area = h.get_pixel_area(tel_id[t])
cam_table_prime['PixA'] = pix_area
cam_table_prime['PixA'].unit = u.mm**2
except:
try:
cam_table_prime['PixA'] = pix_area_prime
cam_table_prime['PixA'].unit = u.mm**2
except: pass
try: pix_type = h.get_pixel_type(tel_id[t])
except:
try: pix_type = pix_type_prime
except: pix_type = 'unknown'
cam_table_prime.meta['PixType'] = pix_type
try:
pix_neighbors = h.get_pixel_neighbor(tel_id[t])
cam_table_prime['PixNeig'] = pix_neighbors
except:
try: cam_table_prime['PixNeig'] = pix_neighbors_prime
except: pass
#as long as no mirror IDs are given, use the following:
opt_table_prime['MirrID'] = [1,2]
try:
opt_table_prime.meta['MirNum'] = h.get_mirror_number(tel_id[t])
except: pass
try:
opt_table_prime['MirArea'] = h.get_mirror_area(tel_id[t])
opt_table_prime['MirArea'].unit = u.m**2
opt_table_prime.meta['MirAreaDescription'] =\
'Area of all mirrors'
except: pass
try:
opt_table_prime['OptFocLen'] = h.get_optical_foclen(tel_id[t])
opt_table_prime['OptFocLen'].unit = u.m
except: pass
#Beside other tables containing camera and optics configuration
#data, the main tables are written into the camera and optics
#dictionary.
camera['CameraTable_Version%s_TelID%i' % (version,tel_id[t])] \
= cam_table_prime
optics['OpticsTable_Version%s_TelID%i' % (version,tel_id[t])] \
= opt_table_prime
except: pass
print('Astropy tables have been created.')
h.close_file()
print("Hessio file has been closed.")
return(telescope,camera,optics)
def load_hessio(filename):
"""
Function to open and load a hessio file
Parameters
----------
filename: string
name of the file
"""
print("Hessio file will be opened.")
h.file_open(filename)
next(h.move_to_next_event())
#version = h.get...
version = 'Feb2016'
#Creating 3 dictionaries where the instrument configuration will be stored
#The dictionaries themselves contain astropy.table.Table objects
telescope = {}
camera = {}
optics = {}
#--------------------------------------------------------------------------
#Telescope configuration
tel_table_prime = Table()
tel_table_prime.meta = {'VERSION': version}
try:
tel_id = h.get_telescope_ids()
tel_table_prime['TelID'] = tel_id
except:
pass
try:
tel_posX = [h.get_telescope_position(i)[0] for i in tel_id]
tel_table_prime['TelX'] = tel_posX
tel_table_prime['TelX'].unit = u.m
tel_table_prime.meta['TelX_description'] =\
'x-position of the telescope measured by...'
except:
pass
try:
tel_posY = [h.get_telescope_position(i)[1] for i in tel_id]
tel_table_prime['TelY'] = tel_posY
tel_table_prime['TelY'].unit = u.m
except:
pass
try:
tel_posZ = [h.get_telescope_position(i)[2] for i in tel_id]
tel_table_prime['TelZ'] = tel_posZ
tel_table_prime['TelZ'].unit = u.m
except:
pass
try:
tel_table['CameraClass'] = [h.get_camera_class(i) for i in tel_id]
except:
pass
try:
tel_table_prime['MirA'] = [h.get_mirror_area(i) for i in tel_id]
tel_table_prime['MirA'].unit = u.m**2
except:
pass
try:
tel_table_prime['MirN'] = [h.get_mirror_number(i) for i in tel_id]
except:
pass
try:
tel_table_prime['FL'] = [h.get_optical_foclen(i) for i in tel_id]
tel_table_prime['FL'].unit = u.m
except:
pass
try:
tel_table_prime.meta['TelNum'] = len(tel_posX)
except:
pass
#Beside other tables containimng telescope configuration data, the main
#telescope table is written into the telescope dictionary.
telescope['TelescopeTable_Version%s' % version] = tel_table_prime
#--------------------------------------------------------------------------
#Camera and Optics configuration
try:
for t in range(len(tel_id)):
cam_table_prime = Table()
cam_table_prime.meta = {'TELID': tel_id[t], 'VERSION': version}
opt_table_prime = Table()
opt_table_prime.meta = {'TELID': tel_id[t], 'VERSION': version}
try:
pix_posX = h.get_pixel_position(tel_id[t])[0]
pix_id = np.arange(len(pix_posX))
cam_table_prime['PixID'] = pix_id
cam_table_prime['PixX'] = pix_posX
cam_table_prime['PixX'].unit = u.m
cam_table_prime.meta['PixXDescription'] =\
'x-position of the pixel measured by...'
except:
pass
try:
pix_posY = h.get_pixel_position(tel_id[t])[1]
cam_table_prime['PixY'] = pix_posY
cam_table_prime['PixY'].unit = u.m
except:
pass
try:
camera_class = CD.guess_camera_geometry(
pix_posX * u.m, pix_posY * u.m)
pix_area_prime = camera_class.pix_area
pix_type_prime = camera_class.pix_type
pix_neighbors_prime = camera_class.pix_neighbors
except:
pass
try:
pix_area = h.get_pixel_area(tel_id[t])
cam_table_prime['PixA'] = pix_area
cam_table_prime['PixA'].unit = u.mm**2
except:
try:
cam_table_prime['PixA'] = pix_area_prime
cam_table_prime['PixA'].unit = u.mm**2
except:
pass
try:
pix_type = h.get_pixel_type(tel_id[t])
except:
try:
pix_type = pix_type_prime
except:
pix_type = 'unknown'
cam_table_prime.meta['PixType'] = pix_type
try:
pix_neighbors = h.get_pixel_neighbor(tel_id[t])
cam_table_prime['PixNeig'] = pix_neighbors
except:
try:
cam_table_prime['PixNeig'] = pix_neighbors_prime
except:
pass
#as long as no mirror IDs are given, use the following:
opt_table_prime['MirrID'] = [1, 2]
try:
opt_table_prime.meta['MirNum'] = h.get_mirror_number(tel_id[t])
except:
pass
try:
opt_table_prime['MirArea'] = h.get_mirror_area(tel_id[t])
opt_table_prime['MirArea'].unit = u.m**2
opt_table_prime.meta['MirAreaDescription'] =\
'Area of all mirrors'
except:
pass
try:
opt_table_prime['OptFocLen'] = h.get_optical_foclen(tel_id[t])
opt_table_prime['OptFocLen'].unit = u.m
except:
pass
#Beside other tables containing camera and optics configuration
#data, the main tables are written into the camera and optics
#dictionary.
camera['CameraTable_Version%s_TelID%i' % (version,tel_id[t])] \
= cam_table_prime
optics['OpticsTable_Version%s_TelID%i' % (version,tel_id[t])] \
= opt_table_prime
except:
pass
print('Astropy tables have been created.')
h.close_file()
print("Hessio file has been closed.")
return (telescope, camera, optics)
def hessio_event_source(url, max_events=None, allowed_tels=None):
"""A generator that streams data from an EventIO/HESSIO MC data file
(e.g. a standard CTA data file.)
Parameters
----------
url : str
path to file to open
max_events : int, optional
maximum number of events to read
allowed_tels : list[int]
select only a subset of telescope, if None, all are read. This can
be used for example emulate the final CTA data format, where there
would be 1 telescope per file (whereas in current monte-carlo,
they are all interleaved into one file)
"""
ret = pyhessio.file_open(url)
if ret is not 0:
raise RuntimeError("hessio_event_source failed to open '{}'"
.format(url))
# the container is initialized once, and data is replaced within
# it after each yield
counter = 0
eventstream = pyhessio.move_to_next_event()
if allowed_tels is not None:
allowed_tels = set(allowed_tels)
event = EventContainer()
event.meta.source = "hessio"
# some hessio_event_source specific parameters
event.meta.add_item('hessio__input', url)
event.meta.add_item('hessio__max_events', max_events)
for run_id, event_id in eventstream:
event.dl0.run_id = run_id
event.dl0.event_id = event_id
event.dl0.tels_with_data = set(pyhessio.get_teldata_list())
# handle telescope filtering by taking the intersection of
# tels_with_data and allowed_tels
if allowed_tels is not None:
selected = event.dl0.tels_with_data & allowed_tels
if len(selected) == 0:
continue # skip event
event.dl0.tels_with_data = selected
event.trig.tels_with_trigger \
= pyhessio.get_central_event_teltrg_list()
time_s, time_ns = pyhessio.get_central_event_gps_time()
event.trig.gps_time = Time(time_s * u.s, time_ns * u.ns,
format='gps', scale='utc')
event.mc.energy = pyhessio.get_mc_shower_energy() * u.TeV
event.mc.alt = Angle(pyhessio.get_mc_shower_altitude(), u.rad)
event.mc.az = Angle(pyhessio.get_mc_shower_azimuth(), u.rad)
event.mc.core_x = pyhessio.get_mc_event_xcore() * u.m
event.mc.core_y = pyhessio.get_mc_event_ycore() * u.m
event.mc.h_first_int = pyhessio.get_mc_shower_h_first_int() * u.m
event.count = counter
# this should be done in a nicer way to not re-allocate the
# data each time (right now it's just deleted and garbage
# collected)
event.dl0.tel = dict() # clear the previous telescopes
event.mc.tel = dict() # clear the previous telescopes
for tel_id in event.dl0.tels_with_data:
# fill pixel position dictionary, if not already done:
if tel_id not in event.meta.pixel_pos:
event.meta.pixel_pos[tel_id] \
= pyhessio.get_pixel_position(tel_id) * u.m
event.meta.optical_foclen[
tel_id] = pyhessio.get_optical_foclen(tel_id) * u.m
# fill telescope position dictionary, if not already done:
if tel_id not in event.meta.tel_pos:
event.meta.tel_pos[
tel_id] = pyhessio.get_telescope_position(tel_id) * u.m
nchans = pyhessio.get_num_channel(tel_id)
npix = pyhessio.get_num_pixels(tel_id)
nsamples = pyhessio.get_num_samples(tel_id)
event.dl0.tel[tel_id] = RawCameraData(tel_id)
event.dl0.tel[tel_id].num_channels = nchans
event.dl0.tel[tel_id].num_pixels = npix
event.dl0.tel[tel_id].num_samples = nsamples
event.mc.tel[tel_id] = MCCamera(tel_id)
event.dl0.tel[tel_id].calibration \
= pyhessio.get_calibration(tel_id)
event.dl0.tel[tel_id].pedestal \
= pyhessio.get_pedestal(tel_id)
# load the data per telescope/chan
for chan in range(nchans):
event.dl0.tel[tel_id].adc_samples[chan] \
= pyhessio.get_adc_sample(channel=chan,
telescope_id=tel_id)
event.dl0.tel[tel_id].adc_sums[chan] \
= pyhessio.get_adc_sum(channel=chan,
telescope_id=tel_id)
event.mc.tel[tel_id].refshapes[chan] = \
pyhessio.get_ref_shapes(tel_id, chan)
# load the data per telescope/pixel
event.mc.tel[tel_id].photo_electrons \
= pyhessio.get_mc_number_photon_electron(telescope_id=tel_id)
event.mc.tel[tel_id].refstep = pyhessio.get_ref_step(tel_id)
event.mc.tel[tel_id].lrefshape = pyhessio.get_lrefshape(tel_id)
event.mc.tel[tel_id].time_slice = \
pyhessio.get_time_slice(tel_id)
yield event
counter += 1
if max_events is not None and counter >= max_events:
return
def load_hessio(filename):
"""
Function to open and load a hessio file
Parameters
----------
filename: string
name of the file
"""
h.file_open(filename)
print("Hessio file %s has been opened" % filename)
next(h.move_to_next_event())
tel_id = h.get_telescope_ids()
tel_table = Table()
tel_table['TelID']= tel_id
tel_posX = [h.get_telescope_position(i)[0] for i in tel_id]
tel_posY = [h.get_telescope_position(i)[1] for i in tel_id]
tel_posZ = [h.get_telescope_position(i)[2] for i in tel_id]
tel_table['TelX'] = tel_posX
tel_table['TelX'].unit = u.m
tel_table['TelY'] = tel_posY
tel_table['TelY'].unit = u.m
tel_table['TelZ'] = tel_posZ
tel_table['TelZ'].unit = u.m
#tel_table['CameraClass'] = [h.get_camera_class(i) for i in tel_id]
tel_table['MirrorArea'] = [h.get_mirror_area(i) for i in tel_id]
tel_table['MirrorArea'].unit = u.m**2
tel_table['NMirrors'] = [h.get_mirror_number(i) for i in tel_id]
tel_table['FL'] = [h.get_optical_foclen(i) for i in tel_id]
tel_table['FL'].unit = u.m
for t in range(len(tel_id)):
table = Table()
pix_posX = h.get_pixel_position(tel_id[t])[0]
pix_posY = h.get_pixel_position(tel_id[t])[1]
pix_id = np.arange(len(pix_posX))
pix_area = h.get_pixel_area(tel_id[t])
table['TelID'] = [tel_id[t] for i in range(len(pix_posX))]
table['PixelID'] = pix_id
table['PixX'] = pix_posX
table['PixX'].unit = u.m
table['PixY'] = pix_posY
table['PixY'].unit = u.m
table['PixArea'] = pix_area
table['PixArea'].unit = u.mm**2
if t == 0:
cam_table = table
else:
cam_table = join(cam_table,table,join_type='outer')
#for t in range(len(tel_id)):
# table = Table()
# if t == 0:
# opt_table = table
# else:
# opt_table = join(opt_table,table,join_type='outer')
opt_table = Table()
print('Astropy tables have been created.')
#to use this, one has to go through every event of the run...
#n_channel = h.get_num_channel(tel_id)
#ld.channel_num = n_channel
#for chan in range(n_channel):
# ld.adc_samples.append(h.get_adc_sample(tel_id,chan).tolist())
h.close_file()
print("Hessio file has been closed.")
return [tel_table,cam_table,opt_table]
def hessio_event_source(url, max_events=None, allowed_tels=None):
"""A generator that streams data from an EventIO/HESSIO MC data file
(e.g. a standard CTA data file.)
Parameters
----------
url : str
path to file to open
max_events : int, optional
maximum number of events to read
allowed_tels : list[int]
select only a subset of telescope, if None, all are read. This can
be used for example emulate the final CTA data format, where there
would be 1 telescope per file (whereas in current monte-carlo,
they are all interleaved into one file)
"""
ret = pyhessio.file_open(url)
if ret is not 0:
raise RuntimeError(
"hessio_event_source failed to open '{}'".format(url))
counter = 0
eventstream = pyhessio.move_to_next_event()
if allowed_tels is not None:
allowed_tels = set(allowed_tels)
container = Container("hessio_container")
container.meta.add_item('hessio__input', url)
container.meta.add_item('hessio__max_events', max_events)
container.meta.add_item('pixel_pos', dict())
container.meta.add_item('optical_foclen', dict())
container.add_item("dl0", RawData())
container.add_item("mc", MCShowerData())
container.add_item("trig", CentralTriggerData())
container.add_item("count")
for run_id, event_id in eventstream:
container.dl0.run_id = run_id
container.dl0.event_id = event_id
container.dl0.tels_with_data = set(pyhessio.get_teldata_list())
# handle telescope filtering by taking the intersection of
# tels_with_data and allowed_tels
if allowed_tels is not None:
selected = container.dl0.tels_with_data & allowed_tels
if len(selected) == 0:
continue # skip event
container.dl0.tels_with_data = selected
container.trig.tels_with_trigger \
= pyhessio.get_central_event_teltrg_list()
time_s, time_ns = pyhessio.get_central_event_gps_time()
container.trig.gps_time = Time(time_s * u.s,
time_ns * u.ns,
format='gps',
scale='utc')
container.mc.energy = pyhessio.get_mc_shower_energy() * u.TeV
container.mc.alt = Angle(pyhessio.get_mc_shower_altitude(), u.rad)
container.mc.az = Angle(pyhessio.get_mc_shower_azimuth(), u.rad)
container.mc.core_x = pyhessio.get_mc_event_xcore() * u.m
container.mc.core_y = pyhessio.get_mc_event_ycore() * u.m
container.count = counter
# this should be done in a nicer way to not re-allocate the
# data each time (right now it's just deleted and garbage
# collected)
container.dl0.tel = dict() # clear the previous telescopes
for tel_id in container.dl0.tels_with_data:
# fill pixel position dictionary, if not already done:
if tel_id not in container.meta.pixel_pos:
container.meta.pixel_pos[tel_id] \
= pyhessio.get_pixel_position(tel_id) * u.m
container.meta.optical_foclen[
tel_id] = pyhessio.get_optical_foclen(tel_id) * u.m
nchans = pyhessio.get_num_channel(tel_id)
container.dl0.tel[tel_id] = RawCameraData(tel_id)
container.dl0.tel[tel_id].num_channels = nchans
# load the data per telescope/chan
for chan in range(nchans):
container.dl0.tel[tel_id].adc_samples[chan] \
= pyhessio.get_adc_sample(channel=chan,
telescope_id=tel_id)
container.dl0.tel[tel_id].adc_sums[chan] \
= pyhessio.get_adc_sum(channel=chan,
telescope_id=tel_id)
yield container
counter += 1
if max_events is not None and counter > max_events:
return