/usr/share/nrn/lib/hoc/singlech.hoc is in neuron 7.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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public hist, g, vbox, thist, nbin, tmax, meanstr, cond, tobj
objref thist, g, vbox, time, this, tobj
strdef meanstr
proc init() {
cond = 0
nbin = 20
tmax = 20
if (numarg() > 1) {
cond = $1
nbin = $2
tmax = $3
}
build()
}
proc build() {
vbox = new VBox()
vbox.save("")
vbox.intercept(1)
xpanel("")
xpvalue("Conductance", &cond, 1, "g.erase")
xpvalue("# Bins", &nbin, 1, "hist1()")
xpvalue("Tmax", &tmax, 1, "hist1()")
meanstr = "Mean = ????????????"
xvarlabel(meanstr)
xbutton("Erase", "g.erase")
xpanel()
g = new Graph()
vbox.intercept(0)
}
proc hist() {local m
time = $o1.ind($o2.c.indvwhere("==", cond))
hist1()
}
proc hist1() {local m2
m2 = tmax
sprint(meanstr, "Mean = %g", time.mean)
thist = time.histogram(0, m2, m2/nbin)
thist.remove(0)
thist.line(g, thist.c.indgen(m2/2/nbin, m2/nbin))
}
proc save() {
}
endtemplate SChanHist
begintemplate SingleChannel
public sch, m, g, vbox, map
objref sch, m, xpos, ypos, vbox, g, tobj, cvec, svec, tvec, hlist
objref tman, sman, gman, this
strdef tstr
proc init() {local i
ntran = 100
vv = -70
radius = 20
sch = $o1
m = new Matrix()
sch.set_rates(v)
sch.get_rates(m)
xpos = new Vector(m.nrow)
xpos.indgen(100)
ypos = new Vector(m.nrow)
cvec = new Vector(m.nrow)
for i=0, m.nrow-1 cvec.x[i] = sch.cond(i)
svec = new Vector()
tvec = new Vector()
tman = new Vector()
sman = new Vector()
gman = new Graph(0)
hlist = new List()
if (numarg() == 1) {
build()
draw()
center()
map()
}
}
proc build() {
vbox = new VBox()
vbox.save("save()")
vbox.ref(this)
vbox.intercept(1)
xpanel("Control")
xpvalue("v (mV)", &vv, 1, "sch.set_rates(vv) sch.get_rates(m) draw()")
xbutton("Conductances", "conductance_panel()")
xpvalue("# Conductance transitions in run", &ntran, 1)
xbutton("Run", "run()")
xbutton("Conductance vs time Graph", "gman = new Graph()")
xbutton("Conductance Histogram", "maphist(new SChanHist())")
xpanel()
g = new Graph(0)
g.view(2)
g.menu_tool("Arrange State Diagram", "arrange")
vbox.intercept(0)
}
proc run() {local i
tvec.resize(ntran)
sch.cond_transitions(tvec, svec)
manhattan(tvec, svec)
for i=0, hlist.count-1 {
hlist.object(i).hist(tvec, svec)
}
}
proc manhattan() {
gman.erase()
tman.resample($o1.c.integral(),2)
tman.rotate(1,0)
sman.resample($o2,2)
sman.line(gman, tman)
}
proc center() {
tobj = new Vector(4)
g.size(&tobj.x[0])
g.size(tobj.x[0], tobj.x[1], tobj.x[2], tobj.x[3])
draw()
}
proc maphist() {
hlist.append($o1)
sprint(tstr, "Histogram for %s", this)
hlist.object(hlist.count-1).vbox.map(tstr)
}
proc draw() {local i, j
g.xaxis(3)
g.erase_all
for i=0, m.nrow()-1 {
circle(i)
}
for i=0, m.nrow()-1 {
for j=0, m.ncol()-1 {
if (m.x[i][j] > 0) {
arrow(i, j)
}
}
}
if (numarg() > 0) return
for i=0, m.nrow()-1 {
sprint(tstr, "%g", i)
g.label(xpos.x[i], ypos.x[i], tstr, 1, 1, .5, 0, 1)
sprint(tstr, "%g", sch.cond(i))
g.label(xpos.x[i], ypos.x[i], tstr, 1, 1, .5, 1, 1)
}
g.flush()
}
proc circle() {local i, x, y
g.beginline()
for i=0, 20 {
x = radius*sin(PI*i/10) y = radius*cos(PI*i/10)
g.line(x+xpos.x[$1], y + ypos.x[$1])
}
g.flush()
}
proc arrow() {local x, y, d, x1, y1, r, r2, x2, y2, ax, ay
r = 3*radius/2
r2 = radius/4
x = xpos.x[$2] - xpos.x[$1]
y = ypos.x[$2] - ypos.x[$1]
d = sqrt(x*x + y*y)
x /= d y /= d
x1 = xpos.x[$1] + x*r - y*r2
y1 = ypos.x[$1] + y*r + x*r2
g.beginline()
g.line(x1, y1)
x2 = xpos.x[$2] - x*r - y*r2
y2 = ypos.x[$2] - y*r + x*r2
g.line(x2, y2)
x2 += -y*r2 - 2*x*r2
y2 += x*r2 - 2*y*r2
g.line(x2, y2)
g.flush()
sprint(tstr, "1/%g", m.x[$1][$2])
if (x > 0) {
if (y > 0) {
ax = 1 ay = 0
}else{
ax = 0 ay = 0
}
}else{
if (y >= 0) {
ax = 1 ay = 1
}else{
ax = 0 ay = 1
}
}
g.label(x1, y1, tstr, 1, 1, ax, ay, 1)
}
proc arrange() {local i
if ($1 == 2) {
imove = -1
for i=0, m.nrow-1 {
if ((($2-xpos.x[i])^2 + ($3-ypos.x[i])^2) < radius^2) {
imove = i
$1 = 1
break
}
}
}
if (imove == -1) return
xpos.x[imove] = $2
ypos.x[imove] = $3
if ($1 == 1) {
draw(0)
}
if ($1 == 3) {
draw()
imove = -1
}
}
proc conductance_panel() {local i
xpanel("Conductance (integers)")
for i=0, cvec.size-1 {
sprint(tstr, "State %d", i)
xpvalue(tstr, &cvec.x[i], 1, "set_cond()")
}
xpanel()
}
proc set_cond() {local i
for i=0, cvec.size-1 {
sch.cond(i, cvec.x[i])
}
draw()
}
proc set_rate() {
}
proc map() {
sprint(tstr, "%s", this)
if (numarg() > 1) {
vbox.map(tstr, $2, $3, $4, $5)
}else{
vbox.map(tstr)
}
}
proc save() {local i
vbox.save("load_file(\"singlech.hoc\". \"SingleChannel\")}\n{")
sprint(tstr, "ocbox_=new SingleChannel(%s, 0)", sch)
vbox.save(tstr)
vbox.save("}\n{object_push(ocbox_)}\n{")
sprint(tstr, "vv=%g ntran=%d build() sch.set_rates(vv) sch.get_rates(m)",\
vv, ntran)
vbox.save(tstr)
for i=0, m.nrow-1 {
sprint(tstr, "xpos.x[%d]=%g ypos.x[%d]=%g cvec.x[%d]=%g",\
i, xpos.x[i], i, ypos.x[i], i, cvec.x[i])
vbox.save(tstr)
}
for i=0, hlist.count-1 {
tobj = hlist.object(i)
sprint(tstr, "maphist(new SChanHist(%g, %g, %g))",\
tobj.cond, tobj.nbin, tobj.tmax)
vbox.save(tstr)
}
objref tobj
g.erase_all()
vbox.save("set_cond()\n}\n{object_pop()}\n{")
g.save_name("ocbox_.g", 1)
draw()
}
endtemplate SingleChannel
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