strdef cmd
objref volt_cl			  
objref vbox1, vbox2, vbox3		 
objref g_v, g_i	          
objref ms

y_min = -1.0

create soma
soma {
	diam = 21.851       
	L    = 21.851 	
	nseg = 1 	     
	cm   = 1         
	Ra   = 60        
	insert CaR 
	cai0_ca_ion = 0.000001
	cao0_ca_ion = 4
	celsius = 22
	volt_cl = new VClamp_plus(.5)
}


vbox3 = new VBox()
vbox3.intercept(1)
ms = new MechanismStandard("CaR")
ms.action("change_CaR()")
ms.in()
ms.panel()
vbox3.intercept(0)
vbox3.map("CaR Control", 1, 854, -1, -1)


proc change_CaR() {
	ms.out()
}

proc start() {
	volt_cl.amp(0) = hold_pot
	volt_cl.amp(2) = -50
	
	g_v.erase()
	g_i.erase()
	g_v.size(0, tstop, hold_pot-10, end_cl+10)
	g_i.size(0, tstop, y_min, 0.1)

	for (i=st_cl; i<=end_cl; i=i+incr1) {
       volt_cl.amp[1]=i
       
       finitialize(v_init)
       g_v.beginline()
       g_i.beginline()
       
       while (t<tstop) {
       		
			dens=soma.ica(0.5) 
       		
       		g_i.line(t, dens)
       		g_v.line(t, soma.v(.5))
       		
       		fadvance()
       }
    }
}


proc Tstop() {
	tstop = volt_cl.dur[0]+volt_cl.dur[1]+volt_cl.dur[2]
}

access soma
execute(cmd)
	
{
xpanel("Run Control", 0)
v_init = -80
xvalue("Init","v_init", 1,"stdinit()", 1, 1 )
xbutton("Init & Run","run()")
xbutton("Stop","stoprun=1")
runStopAt = 5
xvalue("Continue til","runStopAt", 1,"{continuerun(runStopAt) stoprun=1}", 1, 1 )
runStopIn = 1
xvalue("Continue for","runStopIn", 1,"{continuerun(t + runStopIn) stoprun=1}", 1, 1 )
xbutton("Single Step","steprun()")
t = 18
xvalue("t","t", 2 )
tstop = 40
xvalue("Tstop","tstop", 1,"tstop_changed()", 0, 1 )
dt = 0.025
xvalue("dt","dt", 1,"setdt()", 0, 1 )
steps_per_ms = 40
xvalue("Points plotted/ms","steps_per_ms", 1,"setdt()", 0, 1 )
screen_update_invl = 0.05
xvalue("Scrn update invl","screen_update_invl", 1,"", 0, 1 )
realtime = 0.00999999
xvalue("Real Time","realtime", 0,"", 0, 1 )
xpanel(1,102)
}

{
xpanel("Clamp Control", 0)
xbutton("Start","start()")
st_cl=-80
xvalue("Start voltage", "st_cl")
end_cl=60
xvalue("End voltage", "end_cl")
incr1=10
xvalue("Increment", "incr1")
volt_cl.dur[0]=5
xvalue("Pre-pulse duration", "volt_cl.dur[0]")
volt_cl.dur[1]=25
xvalue("Test pulse duration", "volt_cl.dur[1]")
volt_cl.dur[2]=10
xvalue("Post-pulse duration", "volt_cl.dur[2]")
hold_pot=v_init
xvalue("Holding voltage", "hold_pot")
xpanel(1,537)
}


vbox1=new VBox()
vbox1.intercept(1)
g_v=new Graph()
g_v.size(0, tstop, hold_pot-10, end_cl+10)
vbox1.intercept(0)
vbox1.map("Voltage protocol", 319, 24, 625, 260)


vbox2=new VBox()
vbox2.intercept(1)
g_i=new Graph()
g_i.size(0, tstop, y_min, 0.1)
vbox2.intercept(0)
vbox2.map("IV currents", 320, 456, 625, 304)