# sim.py -- Python script for running the simulation interactively
#
# Usage:
# ipython --pylab -i sim.py
#
# Last update: 13/09/10 (salvadord)
#
# Global parameters
#
# Use the NEURON GUI?
use_NEURON_GUI = True
# Index to grvec panel object for latest loaded sim.
curr_grvec_pind = 0
# for ipython debugging
from IPython.core.debugger import Tracer; debug_here = Tracer()
##############
# Misc functions
##############
def ctypandind2cind (ctyp,ctind):
cell_inds = find(cell_types == get_ctyp_num(ctyp))
return cell_inds[ctind]
def cind2ctypandind (cell_num):
# Get the cell type number.
ctypnum = cell_types[cell_num]
# Get the first cell index for that type.
ctypfind = find(cell_types == ctypnum)[0]
# Show the cell type string and the relative cell index.
return (get_ctyp_str(ctypnum), cell_num - ctypfind)
######################
# Data analysis functions
######################
def get_ctyp_fire_rate (ctyp,min_t=0.0,max_t=-1.0,allcellrates=False):
if (max_t == -1.0):
max_t = sim_duration
tvec = nqscol2narr('spknq','t')
idvec = nqscol2narr('spknq','id')
tvec,idvec = get_vec_subset(tvec,idvec,mintvec=min_t,maxtvec=max_t)
freqs = get_ave_fire_freqs(tvec,idvec,num_cells,max_t - min_t)
cell_inds = find(cell_types == get_ctyp_num(ctyp))
if (allcellrates):
return freqs[cell_inds]
else:
return freqs[cell_inds].mean()
# get_curr_fire_rate() -- get an estimate of a firing rate for a target cell at a
# particular time. By default, the counting window is 100 ms and starts at time t.
# Requires that snq table is loaded.
def get_curr_fire_rate (targtype='',targind=0,t=0.0,spkwindwid=100.0,spkwindoffset=0.0):
# Remember the old snq table verbosity.
oldverbose = h.spknq.verbose
# Turn off the table verbosity.
h.snq.verbose = 0
# Default the cell index to targind.
cell_ind = targind
# If we have a cell type, get the cell IDs and get the indexed value.
if (targtype != ''):
targ_cells = find(cell_types == get_ctyp_num(targtype))
cell_ind = targ_cells[targind]
# Get number all of the desired cell spikes in the desired time window.
num_spks = h.spknq.select('id',cell_ind,'t','[]',t+spkwindoffset, \
t+spkwindoffset+spkwindwid)
# Get the firing rate from the spike count and window width.
fire_rate = num_spks * (1000.0 / spkwindwid)
# Reset the snq table.
h.spknq.tog()
h.spknq.verbose = oldverbose
return fire_rate
###########################
# Analysis functions by salvadord
##########################
def DPparams():
for o,i in zip(h.cedp, range(0, int(h.cedp.count()))): print o.id, o.interval, o.number, o.start, o.noise, o.mlenmin, o.mlenmax, o.zloc
def DPspikes(t1,t2):
h.snq[0].select("type",h.DP,"t","()",t1,t2)
#h('snq[0].select("type",DP)')
h.snq[0].pr()
#def CSTIMparams():
#h.ls = h.LEMNoise()
#for o,i in zip (h.lcstim.o(0).nsl, range(0, int(h.lcstim.o(0).nsl.count()))): print i, o.interval, o.number, o.start, o.noise, h('nqE.v(1).x(%d)' % i)#, h('nqE.v(3).x(%d)' % i), h('lcstim.o(0).ncl.o(%d).weight[4]'%i), h('lcstim.o(0).ncl.o(%d).weight[5]'%i),h('lcstim.o(0).ncl.o(i).weight[2]'%i)
def EMStimParams():
h('objref lemlist')
h('lemlist = lem.o(0)')
for o,i in zip (h.lemlist, range(0, int(h.lemlist.count()))): print i, o.interval, o.number, o.start, o.noise, h('nqE.v(1).x(%d)' % i), h('nqE.v(3).x(%d)' % i), h('lcstim.o(0).ncl.o(%d).weight[4]' % i), h('lcstim.o(0).ncl.o(%d).weight[5]' % i),h('lcstim.o(0).ncl.o(%d).weight[2]' % i)
def plotTraj():
{
h('{drxytraj() g=new Graph() g.size(40,tstop,-1,4) drshouldertrajectory() drelbowtrajectory()}')
}
###################
# Simulation functions
##################
# Run the simulation and save the spikes.
def runsim ():
h.run()
h.skipsnq = 0 # flag to create NQS with spike times, one per column
h.initAllMyNQs() # setup of NQS objects with spike/other information
#h('if (spknq != nil) nqsdel(spknq)')
#h('spknq = new NQS()')
#h('spknq.copy(snq[0])')
#
# Script code (run always)
#
# Load the sys and os packages.
import sys, os
# Load the interpreter object.
from neuron import h
# Load the NEURON GUI.
if use_NEURON_GUI:
from neuron import gui
# Load default parameters and initialize the network.
h.xopen("main.hoc")
# Load functions for interfacing with hoc data structures.
from hocinterface import *
# Load the neuroplot namespace.
from neuroplot import *
# Load the numpy namespace.
from numpy import *
# Load analysis
from analysis import *
# Set up cellsnq and connsnq for display functions.
h('objref cellsnq')
h('cellsnq = col[0].cellsnq')
h('objref connsnq')
h('connsnq = col[0].connsnq')
# Set up hoc objects for more NQS tables
h('objref spknq')
# Remember the simulation duration (in ms).
sim_duration = h.mytstop