def test_Network_04(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=True,
dt=2**-3,
tstop=100,
delete_sections=False,
)
synapseParameters = dict(idx=0,
syntype='Exp2Syn',
weight=0.002,
tau1=0.1,
tau2=0.1,
e=0)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=1,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-70.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
cell = network.populations['test'].cells[0]
# create synapses
synlist = []
numsynapses = 2
for i in range(numsynapses):
synlist.append(LFPy.Synapse(cell=cell, **synapseParameters))
synlist[-1].set_spike_times(np.array([10 + (i * 10)]))
network.simulate()
# test that the input results in the correct amount of PSPs
np.testing.assert_equal(
ss.argrelextrema(cell.somav, np.greater)[0].size, numsynapses)
# clean up
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
neuron.h('forall delete_section()')
def test_Network_01(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=False,
dt=2**-3,
tstop=100,
delete_sections=False,
)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=4,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-65.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
connectivity = network.get_connectivity_rand(pre='test',
post='test',
connprob=0.5)
# connect and run sim
network.connect(pre='test', post='test', connectivity=connectivity)
SPIKES, LFP, P = network.simulate(rec_current_dipole_moment=True)
# test output
for population in network.populations.values():
for cell in population.cells:
self.assertTrue(np.all(cell.somav == network.v_init))
self.assertTrue(np.all(P['test'] == 0.))
self.assertTrue(P.shape[0] == cell.somav.size)
self.assertTrue(len(LFP) == 0)
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
for population in network.populations.values():
for cell in population.cells:
cell.strip_hoc_objects()
neuron.h('forall delete_section()')
def test_Network_00(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=False,
dt=2**-3,
tstop=100,
delete_sections=False,
)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=4,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-65.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
connectivity = network.get_connectivity_rand(pre='test',
post='test',
connprob=0.5)
# test set up
for population in network.populations.values():
self.assertTrue(len(population.cells) == population.POP_SIZE)
for cell, soma_pos, gid in zip(population.cells,
population.soma_pos,
population.gids):
self.assertTrue(type(cell) is LFPy.NetworkCell)
self.assertTrue((cell.somapos[0] == soma_pos['x'])
& (cell.somapos[1] == soma_pos['y'])
& (cell.somapos[2] == soma_pos['z']))
self.assertEqual(cell.gid, gid)
self.assertTrue(
np.sqrt(soma_pos['x']**2 + soma_pos['y']**2) <= 100.)
np.testing.assert_equal(population.gids, np.arange(4))
np.testing.assert_equal(connectivity.shape,
(population.POP_SIZE, population.POP_SIZE))
np.testing.assert_equal(connectivity.diagonal(),
np.zeros(population.POP_SIZE))
# connect and run sim
network.connect(pre='test', post='test', connectivity=connectivity)
network.simulate()
# test output
for population in network.populations.values():
for cell in population.cells:
self.assertTrue(np.all(cell.somav == network.v_init))
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
neuron.h('forall delete_section()')
def test_Network_02(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=False,
dt=2**-3,
tstop=100,
delete_sections=False,
)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=4,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-65.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
clampParams = {
'idx': 0,
'pptype': 'VClamp',
'amp[0]': -65,
'dur[0]': 10,
'amp[1]': 0,
'dur[1]': 1,
'amp[2]': -65,
'dur[2]': 1E8,
}
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
connectivity = network.get_connectivity_rand(pre='test',
post='test',
connprob=1)
# test connectivity
self.assertTrue(
np.all(connectivity == (
np.eye(populationParameters['POP_SIZE']) == 0)))
# connect
network.connect(pre='test',
post='test',
connectivity=connectivity,
multapseargs=dict(loc=1, scale=1E-9))
# create synthetic AP in cell with gid == 0
for population in network.populations.values():
for cell in population.cells:
if cell.gid == 0:
vclamp = LFPy.StimIntElectrode(cell=cell, **clampParams)
# simulate
network.simulate()
# test output
for population in network.populations.values():
for cell in population.cells:
self.assertFalse(np.all(cell.somav == network.v_init))
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
neuron.h('forall delete_section()')
inhibTempName = 'Inhib.hoc'
if not (os.path.isfile(inhibTempName)):
makeInhibitoryCellTemplate(inhibTempName, templateDirectory)
# Define inhibitory cell parameters
inhibitory_params = getCellParams(name='inhib')
inhibitory_params['templatefile'] = inhibTempName
inhibitory_params['Ra'] = 200
inhibitory_params['cm'] = .85
# --------------------------------------
# Build network (LFPy.Network(); composed of LFPy.NetworkPopulation)
# --------------------------------------
# Create network
network = LFPy.Network(tstop=simulationLength, OUTPUTPATH='./')
# Define populations
def addPopulation(network, cellParams, N, name):
populationParameters = dict(Cell=LFPy.NetworkCell,
cell_args=cellParams,
pop_args=dict(radius=1., loc=0., scale=0),
rotation_args=dict(x=0, y=0))
network.create_population(name=name, POP_SIZE=N, **populationParameters)
# Add dummy cell (to load sections from sj3-cortex.hoc, and then delete all sections)
dummy = LFPy.TemplateCell(**Layer2_pyr_params)
h('forall delete_section()')
def test_Network_06(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=False,
dt=2**-3,
tstop=100,
delete_sections=False,
)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=4,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-65.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
def return_constant(size, value):
return np.ones(size) * value
connectionParameters = dict(
syntype=neuron.h.ExpSyn,
synparams={
'tau': 2.0,
'e': 0.0
},
weightfun=return_constant,
weightargs={'value': 0.1},
minweight=0,
delayfun=return_constant,
delayargs={'value': 2.},
mindelay=0.3,
multapsefun=None, # 1 synapse per connection
save_connections=True,
syn_pos_args=dict(
section=['soma'],
fun=[st.norm] * 2,
funargs=[dict(loc=0, scale=100)] * 2,
funweights=[0.5] * 2,
z_min=-1E6,
z_max=1E6,
))
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
connectivity = network.get_connectivity_rand(pre='test',
post='test',
connprob=1)
# test set up
for population in network.populations.values():
self.assertTrue(len(population.cells) == population.POP_SIZE)
for cell, soma_pos, gid in zip(population.cells,
population.soma_pos,
population.gids):
self.assertTrue(isinstance(cell, LFPy.NetworkCell))
self.assertTrue((cell.somapos[0] == soma_pos['x'])
& (cell.somapos[1] == soma_pos['y'])
& (cell.somapos[2] == soma_pos['z']))
self.assertEqual(cell.gid, gid)
self.assertTrue(
np.sqrt(soma_pos['x']**2 + soma_pos['y']**2) <= 100.)
np.testing.assert_equal(population.gids, np.arange(4))
np.testing.assert_equal(connectivity.shape,
(population.POP_SIZE, population.POP_SIZE))
np.testing.assert_equal(connectivity.diagonal(),
np.zeros(population.POP_SIZE))
# connect and run sim
network.connect(pre='test',
post='test',
connectivity=connectivity,
**connectionParameters)
# check that saved connections are indeed correct
f = h5py.File(
os.path.join(network.OUTPUTPATH, 'synapse_connections.h5'), 'r')
conn_data = f['test:test'][()]
assert np.all(
conn_data['weight'] == connectionParameters['weightargs']['value'])
assert np.all(
conn_data['delay'] == connectionParameters['delayargs']['value'])
assert np.all(conn_data['sec.x'] == 0.5)
for cell in population.cells:
inds = conn_data['gid'] == cell.gid
assert np.all(conn_data['gid_pre'][inds] != cell.gid)
for secname in conn_data['sec'][inds]:
assert secname.decode() == \
'ball_and_stick_template[{}].soma[0]'.format(cell.gid)
assert np.all(conn_data['x'][inds] == cell.x.mean(axis=-1)[0])
assert np.all(conn_data['y'][inds] == cell.y.mean(axis=-1)[0])
assert np.all(conn_data['z'][inds] == cell.z.mean(axis=-1)[0])
# check static connection parameters
synparams = f['synparams']['test:test']
if h5py.__version__ < '3':
assert synparams['mechanism'][()] == \
connectionParameters['syntype'].__str__().strip('()')
else:
assert synparams['mechanism'][()].decode() == \
connectionParameters['syntype'].__str__().strip('()')
for key, value in connectionParameters['synparams'].items():
assert synparams[key][()] == value
# clean exit
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
for population in network.populations.values():
for cell in population.cells:
cell.__del__()
neuron.h('forall delete_section()')
def test_Network_05(self):
cellParameters = dict(
morphology=os.path.join(LFPy.__path__[0], 'test',
'ball_and_sticks_w_lists.hoc'),
templatefile=os.path.join(LFPy.__path__[0], 'test',
'ball_and_stick_template.hoc'),
templatename='ball_and_stick_template',
templateargs=None,
passive=False,
dt=2**-3,
tstop=100,
delete_sections=False,
)
populationParameters = dict(
CWD=None,
CELLPATH=None,
Cell=LFPy.NetworkCell,
cell_args=cellParameters,
pop_args=dict(radius=100, loc=0., scale=20.),
rotation_args=dict(x=0, y=0),
POP_SIZE=4,
name='test',
)
networkParameters = dict(dt=2**-3,
tstart=0.,
tstop=100.,
v_init=-65.,
celsius=6.3,
OUTPUTPATH='tmp_testNetworkPopulation')
electrodeParameters = dict(sigma=0.3,
x=np.arange(10) * 100,
y=np.arange(10) * 100,
z=np.arange(10) * 100)
# set up
network = LFPy.Network(**networkParameters)
network.create_population(**populationParameters)
connectivity = network.get_connectivity_rand(pre='test',
post='test',
connprob=0.5)
# test set up
for population in network.populations.values():
self.assertTrue(len(population.cells) == population.POP_SIZE)
for cell, soma_pos, gid in zip(population.cells,
population.soma_pos,
population.gids):
self.assertTrue(isinstance(cell, LFPy.NetworkCell))
self.assertTrue((cell.somapos[0] == soma_pos['x'])
& (cell.somapos[1] == soma_pos['y'])
& (cell.somapos[2] == soma_pos['z']))
self.assertEqual(cell.gid, gid)
self.assertTrue(
np.sqrt(soma_pos['x']**2 + soma_pos['y']**2) <= 100.)
np.testing.assert_equal(population.gids, np.arange(4))
np.testing.assert_equal(connectivity.shape,
(population.POP_SIZE, population.POP_SIZE))
np.testing.assert_equal(connectivity.diagonal(),
np.zeros(population.POP_SIZE))
# set up electrode
electrode = LFPy.RecExtElectrode(cell=None, **electrodeParameters)
# connect and run sim
network.connect(pre='test', post='test', connectivity=connectivity)
_ = network.simulate(probes=[electrode], to_memory=True)
LFP = electrode.data
_ = network.simulate(probes=[electrode],
to_memory=False,
to_file=True,
file_name='OUTPUT.h5')
# test output
for population in network.populations.values():
for cell in population.cells:
self.assertTrue(np.all(cell.somav == network.v_init))
f = h5py.File(os.path.join(network.OUTPUTPATH, 'OUTPUT.h5'), 'r')
for value in f.values():
np.testing.assert_equal(value[()], LFP)
f.close()
network.pc.gid_clear()
os.system('rm -r tmp_testNetworkPopulation')
for population in network.populations.values():
for cell in population.cells:
cell.__del__()
neuron.h('forall delete_section()')
