from math import *
import sys
import easygui as eg


def message(uitkomst):
	msg = uitkomst
	title = "Results: continue ?"
	if eg.ccbox(msg, title):     # show a Continue/Cancel dialog
		menu()
	else:  # user chose Cancel
		sys.exit(0)
		
def fout():
	msg = "Wrong valuea for this mode"
	title = "Ooops"
	if eg.ccbox(msg, title):     # show a Continue/Cancel dialog
		menu()
	else:  # user chose Cancel
		sys.exit(0)
	
		
def displayZ(f,Rs,Xs):
	if Xs < 0:
		if Rs == 0:
			Rs = 0.0000001
		else:	
			Z=complex(Rs,Xs)
			Zabs=round(abs(Z),4)
			uitkomst=''
			uitkomst=('Frequentie	= '+ str(f)+'\n'+'Z		=  '+ str(Z)+'\n'+'|Z|		=  ' +str(Zabs)+'\n')
			capacitance(f,Rs,Xs,uitkomst)
			menu()	
	else:
		if Rs == 0:
			Rs = 0.0000001
		if Xs == 0:
			Xs = 0.0000001
		Z=complex(Rs,Xs)
		Zabs=round(abs(Z),4)
		Z=complex(Rs,Xs)
		Zabs=abs(Z)
		uitkomst=''
		uitkomst=('Frequentie	=  '+ str(f)+'\n'+'Z		=  '+ str(Z)+'\n'+'|Z|		=  ' +str(Zabs)+'\n')
		inductance(f,Rs,Xs,uitkomst)
		menu()


def displayY(f,RsG,XsB):
	if XsB < 0:
		if RsG==0:
			RsG=-0.0000001
		else:
			Y=complex(RsG,XsB)
			Yabs=round(abs(Y),4)
			Rx=(1000000.0*RsG)/((RsG*RsG)+(XsB*XsB))
			Xx=(-1000000.0*XsB)/((RsG*RsG)+(XsB*XsB))
			Rx=round(Rx,4)
			Xx=round(Xx,4)
			Zx=complex(Rx,Xx)
			Zabs=abs(Zx)
			Zabs=round(Zabs,4)
			uitkomst=''
			uitkomst=('Frequency	=  '+ str(f)+'\n'+'Y		=  '+ str(Y)+'\n'+'|Y| (umoh)	=  ' +str(Yabs)+'\n'+'Z		= ('+str(Rx)+str(Xx)+'j)'+'\n'+'|Z|		=  '+str(Zabs)+'\n')
			inductance(f,Rx,Xx,uitkomst)
			
			
	else:
		if XsB==0:
			XsB=0.00000001
		elif RsG==0:
			RsG==0.00000001
		else:
			Y=complex(RsG,XsB)
			Yabs=round(abs(Y),4)
			Rx=(1000000.0*RsG)/((RsG*RsG)+(XsB*XsB))
			Xx=(-1000000.0*XsB)/((RsG*RsG)+(XsB*XsB))
			Rx=round(Rx,4)
			Xx=round(Xx,4)
			Zx=complex(Rx,Xx)
			Zabs=abs(Zx)
			Zabs=round(Zabs,4)
			uitkomst=''
			uitkomst=('Frequency	=  '+ str(f)+'\n'+'Y		=  ('+ str(Y)+'\n'+'|Y| (umoh)	=  ' +str(Yabs)+'\n'+'Z		= ('+str(Rx)+', '+str(Xx)+'j)'+'\n'+'|Z|		=  '+str(Zabs)+'\n')
			capacitance(f,Rx,Xx,uitkomst)

	
	
def capacitance(f,Rs,Xs,uitkomst):
	C=(1/Xs)/(2*pi*f)*1000000000.0
	C=abs(C)
	C = round(C,4)
	ESR = abs(Rs)
	ESR = round(ESR,4)
	D= ESR / abs(Xs)
	D= round(D,4)
	Phase=round(90-atan(D),4)
	P=round((ESR*ESR)/((ESR*ESR)+(Xs*Xs)),6)
	uitkomst= uitkomst+('Cs		=  '+ str(C)+' nF'+'\n'+'ESR		=  '+ str(ESR)+' Ohm'+'\n'+'D		=  ' +str(D)+'\n'+'PF		=  '+str(P)+'\n'+'Phase		= -'+str(Phase))
	message(uitkomst)

def inductance(f,Rs,Xs,uitkomst):
	L=Xs/(2*pi*f)
	L= round(abs(L),4)
	ESR=round(abs(Rs),4)
	Q=round(abs(Xs)/ESR,4)
	Phase=round(90-atan(1/Q),4)
	uitkomst= uitkomst+('Ls		=  '+ str(L*1000000.0)+' uH'+'\n'+'Rs		=  '+ str(ESR)+' Ohm'+'\n'+'Q		=  ' +str(Q)+'\n'+'Phase		= -'+str(Phase))
	message(uitkomst)
	
def impedance():
	msg = "Enter all fields"
	title = "Measure impedance"
	fieldNames = ["Generator frequency in kHz","Position fo knob in kHz (must be higher as Fgen)","R = ","X = "]
	fieldValues = []  # we start with blanks for the values
	fieldValues = eg.multenterbox(msg,title, fieldNames)

    # make sure that none of the fields was left blank
	while 1:
		if fieldValues == None: stopbox()
		errmsg = ""
		for i in range(len(fieldNames)):
			if fieldValues[i].strip() == "":
				errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
		if errmsg == "":
			break # no problems found
		fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
	eg.writeln("Reply was: %s" % str(fieldValues))
	f= fieldValues[0]
	f= float(f)*1000.0
	fo= fieldValues[1]
	fo= float(fo)*1000.0
	Rs= fieldValues[2]
	Rs= float(Rs)*1.0
	Xs= fieldValues[3]
	Xs=(fo/f)*float(Xs)*1.0
	displayZ(f,Rs,Xs)
	menu()
	
	
def admitance():
	msg = "Enter all fields"
	title = "Measure admittance"
	fieldNames = ["Generator frequency in kHz","Position fo knob in kHz (must be lower as Fgen)","G = ","B = "]
	fieldValues = []  # we start with blanks for the values
	fieldValues = eg.multenterbox(msg,title, fieldNames)

    # make sure that none of the fields was left blank
	while 1:
		if fieldValues == None: stopbox()
		errmsg = ""
		for i in range(len(fieldNames)):
			if fieldValues[i].strip() == "":
				errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
		if errmsg == "":
			break # no problems found
		fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
	eg.writeln("Reply was: %s" % str(fieldValues))
	f= fieldValues[0]
	f= float(f)*1000.0
	fo= fieldValues[1]
	fo= float(fo)*1000.0
	RsG= fieldValues[2]
	RsG= float(RsG)*1.0
	XsB= fieldValues[3]
	XsB=((f/fo)*float(XsB)*1.0)
	displayY(f,RsG,XsB)
	menu()
	
		
def ver1():
	msg = "Inductive Zx or Yx, both R/G and X/B are small"
	title = "GR-1603 Z/Y bridge"
	choices =['1= Impedance Z', '2= Admitance Y']
	choice  = eg.choicebox(msg, title, choices)
	antwoord = eg.indexbox(str(choice))
	type= choice[0]
	if type == str(1):
		title = "Inductive Zx , both R and X  are small"
		msg = ''' No prebalance \n Set switch to "Z measure" \n \n Preset both "Delta knobs" near top scale \n Balance with "main R" and "main X" dials \n \n Enter Delta R and Delta X \n\n Set switch to "Z initial bal" reversed \n Make final balance with both delta knobs \n\n Enter final Delta R and Delta X'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be higher as Fgen)','first "delta R"','first "delta X"','Final "delta R"','Final "delta X"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		dR1= fieldValues[2]
		dX1= fieldValues[3]
		dR2= fieldValues[4]
		dX2= fieldValues[5]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		dR1= float(dR1)*-1.0
		dX1= float(dX1)*-1.0
		dR2= float(dR2)*-1.0
		dX2= float(dX2)*-1.0
		Rs=  dR2-dR1
		Rs=  abs(Rs)
		Xs=  (dX2-dX1)*(fo/f)*-1.0
		if Xs < 0:
			fout()
		else:
			displayZ(f,Rs, Xs)
			menu()
		
	elif type == str(2):
		title = "Inductive Yx, both G and B are small"
		msg = ''' No prebalance \n Set switch to "Y measure" \n \n Preset both "Delta knobs" near top scale \n Balance with "main G" and "main B" dials \n \n Enter Delta G and Delta B \n\n Set switch to "Y initial bal" reversed \n Make final balance with both delta knobs \n\n Enter final Delta G and Delta B'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be lower as Fgen)','first "delta G"','first "delta B"','Final "delta G"','Final "delta B"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		dG1= fieldValues[2]
		dB1= fieldValues[3]
		dG2= fieldValues[4]
		dB2= fieldValues[5]
		f=   float(f)*1000.0
		fo=  float(fo)*1000.0
		dG1= float(dG1)*-1.0
		dB1= float(dB1)*-1.0
		dG2= float(dG2)*-1.0
		dB2= float(dB2)*-1.0
		k=1000000.0
		RsG=dG2-dG1
		RsG=abs(RsG)
		XsB=(dB2-dB1)*(f/fo)*-1.0
		if XsB > 0:
			fout()
		else:
			displayY(f,RsG,XsB)
			menu()
 
		
def ver2():
	title = "Capacitive Zx, both R and X are small"
	msg = ''' Set switch to Z initial bal reversed \n preset Delta X near top scale \n Prebalance R and do not move \n Balance with delta R dial and X main dial \n \n Enter Delta R and Delta X \n\n Set switch to Z measure \n Make final balance with both delta knobs \n\n Make final balance with both delta knobs \n Enter final Delta R and Delta X'''
	fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be higher as Fgen)','first "delta R"','first "delta X"','Final "delta R"','Final "delta X"']
	fieldValues = []  # we start with blanks for the values
	fieldValues = eg.multenterbox(msg,title, fieldNames)
	while 1:
		if fieldValues == None: stopbox()
		errmsg = ""
		for i in range(len(fieldNames)):
			if fieldValues[i].strip() == "":
				errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
		if errmsg == "":
			break # no problems found
		fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
	eg.writeln("Reply was: %s" % str(fieldValues))
	f= fieldValues[0]
	fo=  fieldValues[1]
	dR1= fieldValues[2]
	dX1= fieldValues[3]
	dR2= fieldValues[4]
	dX2= fieldValues[5]
	f=   float(f)*1000.0
	fo=  float(fo)*1000.0
	dR1= float(dR1)*1.0
	dX1= float(dX1)*1.0
	dR2= float(dR2)*1.0
	dX2= float(dX2)*1.0
	Rs=dR2-dR1
	Rs=abs(Rs)
	Xs=(dX2-dX1)*(fo/f)
	if Xs > 0:
			fout()
	else:
		displayZ(f,Rs,Xs)
		menu()
			
def ver3():
	title = "Capacitive Yx, both G and B are small"
	msg = ''' Set switch to "Y initial bal reversed" \n preset both Delta knobs near top scale \n Prebalance "main G" and do not move \n Balance with "delta G" dial and "main B" dial \n \n Enter Delta G and Delta B \n\n Set switch to "Y measure" \n\n Make final balance with both delta knobs \n Enter final Delta G and Delta B'''
	fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be lower as Fgen)','first "delta G"','first "delta B"','Final "delta G"','Final "delta B"']
	fieldValues = []  # we start with blanks for the values
	fieldValues = eg.multenterbox(msg,title, fieldNames)
	while 1:
		if fieldValues == None: stopbox()
		errmsg = ""
		for i in range(len(fieldNames)):
			if fieldValues[i].strip() == "":
				errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
		if errmsg == "":
			break # no problems found
		fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
	eg.writeln("Reply was: %s" % str(fieldValues))
	f= fieldValues[0]
	fo=  fieldValues[1]
	dG1= fieldValues[2]
	dB1= fieldValues[3]
	dG2= fieldValues[4]
	dB2= fieldValues[5]
	f=   float(f)*1000.0
	fo=  float(fo)*1000.0
	dG1= float(dG1)*1.0
	dB1= float(dB1)*1.0
	dG2= float(dG2)*1.0
	dB2= float(dB2)*1.0
	k=1000000.0
	RsG=dG2-dG1
	RsG=abs(RsG)
	XsB=((dB2-dB1)*(f/fo)*-1)
	if XsB < 0:
			fout()
	else:
		displayY(f,RsG,XsB)
		menu()
	
def ver4():
	msg = "Zx (small R, large X) or Yx (large G, small B)"
	title = "GR-1603 Z/Y bridge"
	choices =['1= Impedance Z', '2= Admitance Y']
	choice  = eg.choicebox(msg, title, choices)
	antwoord = eg.indexbox(str(choice))
	type= choice[0]
	if type == str(1):
		title = "Zx (small R, large X)"
		msg = ''' Set switch to "Z initial bal reversed" \n \n preset "main X"  knob at zero (centre scale) \n Balance with "delta X" dail and "main R" dial \n \n Enter Delta R and Main X \n\n Set switch to "Z measure" \n Make final balance with "delta R" and "main X" knobs \n\n Enter final delta R and main X'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be higher as Fgen)','first "delta R"','first "main X"','Final "delta R"','Final "main X"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		dR1= fieldValues[2]
		X1=  fieldValues[3]
		dR2= fieldValues[4]
		X2=  fieldValues[5]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		dR1= float(dR1)*1.0
		X1=  float(X1)*1.0
		dR2= float(dR2)*1.0
		X2=  float(X2)*1.0
		k=1000000
		Rs=dR2-dR1
		Rs=abs(Rs)
		Xs=(X2-X1)*(fo/f)
		displayZ(f,Rs,Xs)
		menu()
		
	else:
		title = "Yx (large G, small B)"
		msg = ''' Set switch to "Y initial bal reversed" \n \n preset "main G"  knob at zero (centre scale) \n Balance with "delta G" dail and "main B" dial \n \n Enter Main G and Delta B \n\n Set switch to "Y measure" \n Make final balance with "Main G" and "Delta B" knobs \n\n Enter final Main G and Delta B'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be lower as Fgen)','first "main G"','first "delta B"','Final "main G"','Final "delta B"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		G1=  fieldValues[2]
		dB1= fieldValues[3]
		G2=  fieldValues[4]
		dB2= fieldValues[5]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		G1=  float(G1)*1.0
		dB1= float(dB1)*1.0
		G2=  float(G2)*1.0
		dB2= float(dB2)*1.0
		k=1000000
		RsG=G2-G1
		RsG=abs(RsG)
		XsB=(dB2-dB1)*(f/fo)*-1.0
		if XsB < 0:
			fout()
		else:
			displayY(f,RsG,XsB)
			menu()
		
						
def ver5():
	msg = "Zx (large R, small X) or Yx (small G, large B)"
	title = "GR-1603 Z/Y bridge"
	choices =['1= Impedance Z', '2= Admitance Y']
	choice  = eg.choicebox(msg, title, choices)
	antwoord = eg.indexbox(str(choice))
	type= choice[0]
	if type == str(1):
		title = "Zx (large R, small X)"
		msg = ''' Set switch to "Z initial bal reversed" \n \n preset "main R"  knob at zero (centre scale) \n Balance with "main X" dail and "delta R" dial \n \n Enter main R and delta X \n\n Set switch to "Z measure" \n Make final balance with "main R" and "delta X" knobs \n\n Enter final main R and delta X'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be higher as Fgen)','first "main R"','first "delta X"','Final "main R"','Final "delta X"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		R1= fieldValues[2]
		dX1=  fieldValues[3]
		R2= fieldValues[4]
		dX2=  fieldValues[5]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		R1= float(R1)*1.0
		dX1=  float(dX1)*1.0
		R2= float(R2)*1.0
		dX2=  float(dX2)*1.0
		k=1000000
		Rs=R2-R1
		Rs=abs(Rs)
		Xs=(dX2-dX1)*(fo/f)
		displayZ(f,Rs,Xs)
		menu()
		
	else:
		title = "Yx (small G, large B)"
		msg = ''' Set switch to "Y initial bal reversed" \n \n preset "main B"  knob at zero (centre scale) \n Balance with " main G" dail and "Delta B" dial \n \n Enter Main B and Delta G \n\n Set switch to "Y measure" \n Make final balance with "Main B" and "Delta G" knobs \n\n Enter final Main B and Delta G'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be lower as Fgen)','first "main B"','first "delta G"','Final "main B"','Final "delta G"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		B1=  fieldValues[2]
		dG1= fieldValues[3]
		B2=  fieldValues[4]
		dG2= fieldValues[5]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		B1=  float(B1)*1.0
		dG1= float(dG1)*1.0
		B2=  float(B2)*1.0
		dG2= float(dG2)*1.0
		Rs=dG2-dG1
		Rs=abs(Rs)
		Xs=(B2-B1)*(f/fo)
		displayY(f,Rs, Xs)
		menu()
	
		
def ver6():
	msg = "High frequency 10-20 kHz"
	title = "GR-1603 Z/Y bridge"
	choices =['1= Impedance Z', '2= Admitance Y']
	choice  = eg.choicebox(msg, title, choices)
	antwoord = eg.indexbox(str(choice))
	type= choice[0]
	if type == str(1):
		title = "High frequency impedance"
		msg = ''' Set switch to "Z initial bal reversed" \n \n preset "main R" and "main X" at zero (centre scale) \n Balance with "delta X" dail and "delta R" dial \n \n Set switch to "Z measure" \n Make final balance with "main R" and "main X" dial\n\n Enter final main R and main X'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be higher as Fgen)','Final "main R"','Final "main X"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		R2=  fieldValues[2]
		X2=  fieldValues[3]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		R2=  float(R2)*1.0
		X2=  float(X2)*1.0
		Rs=  R2
		Rs=  abs(Rs)
		Xs=  X2*(fo/f)
		displayZ(f,Rs, Xs)
		menu()
		
	else:
		title = "High frequency admittance"
		msg = ''' Set switch to "Y initial bal reversed" \n \n preset "main G" and "main B" at zero (centre scale) \n Balance with "delta G" dail and "delta B" dial \n \n Set switch to "Y measure" \n Make final balance with "main B" and "main G" dial\n\n Enter final main B and main G'''
		fieldNames = ['Generator frequency in kHz','Position fo knob in kHz (must be lower as Fgen)','Final "main G"','Final "main B"']
		fieldValues = []  # we start with blanks for the values
		fieldValues = eg.multenterbox(msg,title, fieldNames)
		while 1:
			if fieldValues == None: stopbox()
			errmsg = ""
			for i in range(len(fieldNames)):
				if fieldValues[i].strip() == "":
					errmsg += ('"%s" is a required field.\n\n' % fieldNames[i])
			if errmsg == "":
				break # no problems found
			fieldValues = eg.multenterbox(errmsg, title, fieldNames, fieldValues)
		eg.writeln("Reply was: %s" % str(fieldValues))
		f=   fieldValues[0]
		fo=  fieldValues[1]
		G2=  fieldValues[2]
		B2=  fieldValues[3]
		fo=  float(fo)*1000.0
		f=   float(f)*1000.0
		G2=  float(G2)*1.0
		B2=  float(B2)*1.0
		B2=  B2*(f/fo)
		displayY(f,G2,B2)
		menu()
		
def stopbox():
	title = "GR-1603 Z/Y bridge"
	keus = ['OK','Nee']
	antwoord = eg.indexbox('Stoppen', title, keus)	
	if antwoord == 0:
		sys.exit(0)
	else:
		menu()	
		
def menu():
	msg = "input values in all boxes"
	title = "GR-1603 Z/Y bridge"
	choices =['1= Impedance Z', '2= Admitance Y', '3= inv 1, Inductive Z/Y, R/G and X/B both small', '4= inv 2, capacitive Z, R and X both small ', '5= inv 3 Y, capacitive, G and B both small ', '6= inv 4 Z=(<R,>X), Y=(>G,<B) ', '7= inv 5, Z=(>R,<X), Y=(<G,>B)', '8= inv 6, High frequency']
	choice  = eg.choicebox(msg, title, choices)	
	print choice
	if choice == None:
		stopbox()	
	type= choice[0]
	if type == str(1):
		impedance()
	elif type == str(2):
		admitance()
	elif type == str(3):
		ver1()
	elif type == str(4):
		ver2()
	elif type == str(5):
		ver3()
	elif  type == str(6):
		ver4()
	elif  type == str(7):
		ver5()
	elif  type == str(8):
		ver6()
	else:
		menu()
	

			
menu()
sys.exit(0)