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control.py
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control.py
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#control panel
from threading import Thread
from Gui import *
from time import sleep
from charges import *
from emmath import *
class Panel2(Thread):
def __init__(self,field):
Thread.__init__(self)
self.field=field
self.field.panel=self
self.activeCharge=None
self.sel=None
self.g=None
def run(self):
self.g=Gui()
self.g.title('Control Panel')
#charge
self.chgla=self.g.la(text='Charge')
self.g.gr(cols=3)
minus=self.g.bu(text='-', command=Callable(self.addC, -1))
self.chg=self.g.en()
plus=self.g.bu(text='+', command=Callable(self.addC, 1))
self.g.endgr()
#position
self.pos=self.g.la(text='Position')
self.g.gr(cols=3)
xla=self.g.la(text='x')
yla=self.g.la(text='y')
zla=self.g.la(text='z')
self.x=self.g.en(text='')
self.y=self.g.en(text='')
self.z=self.g.en(text='')
self.g.endgr()
#menu
self.men=self.g.mb(text='Change/ Add Charge')
hi=self.g.mi(self.men, text='Add point charge', command=Callable(self.addPoint))
self.g.mi(self.men, text='Add line charge', command=Callable(self.addLine))
self.g.mi(self.men, text='Find voltage at point', command=self.findVolt)
#add
self.g.row([1,1])
self.add=self.g.bu(text='Add')
self.rem=self.g.bu(text='Delete', command=self.remove)
self.g.endrow()
#self.g.bu(text='Quit', command=self.end)
self.disp=self.g.mb(text='Voltage Field')
self.g.mi(self.disp, text='Voltage Field', command=self.showv)
self.g.mi(self.disp, text='Electric Field', command=self.showe)
#ans
self.ans=self.g.la(text='')
self.field.start()
for chrg in self.field.charges:
chrg.makeMi()
self.g.mainloop()
def showv(self):
self.disp.config(text='Voltage Field')
self.actf=self.field.vfield
self.acte=self.field.vdots
self.field.change=True
for p in self.field.earrows:
self.field.earrows[p].visible=False
for p in self.field.vdots:
self.field.vdots[p].visible=True
def showe(self):
self.disp.config(text='Electric Field')
self.field.actf=self.field.efield
self.field.acte=self.field.earrows
self.field.change=True
for p in self.field.earrows:
self.field.earrows[p].visible=True
for p in self.field.vdots:
self.field.vdots[p].visible=False
def addPoint(self):
self.men.config(text='Add Point')
self.pos.config(text='Position')
self.add.config(command=Callable(self.addPCharge))
def addLine(self):
self.men.config(text='Add Line')
self.pos.config(text='Equation in terms of t')
self.add.config(command=Callable(self.addLCharge))
self.field.change=True
def addPCharge(self):
pos=(int(self.x.get()), int(self.y.get()), int(self.z.get()))
c=float(self.chg.get())
p=Point(pos=pos, charge=c)
self.addCharge(p)
def addLCharge(self):
eqn=(self.x.get(), self.y.get(), self.z.get())
dens=self.chg.get()
p=Line(eqn=eqn, density=dens)
self.addCharge(p)
def addCharge(self,p):
self.field.charges.append(p)
self.field.change=True
p.panel=self
p.makeMi()
def findVolt(self):
self.add.config(text='Get Voltage', command=self.getVolt)
def getVolt(self):
p=(int(self.x.get()), int(self.y.get()), int(self.z.get()))
v=vAtPoint(p, self.field.charges)
self.ans.config(text='Voltage at (%d, %d, %d): %g k'%(p[0],p[1],p[2],v))
def remove(self):
if not self.sel: return
c=self.sel
i=self.field.charges.index(c)
self.men.menu.delete(i+3)
self.field.charges.remove(c)
c.s.visible=False
del(c)
self.field.change=True
self.sel=None
def select(self, charge):
if self.sel: self.sel.revert()
self.sel=charge
charge.s.color=(1,1,1)
self.updateLa()
self.add.config(text='Update', command=Callable(self.update))
def update(self):
ch=self.chg.get()
x,y,z=self.x.get(), self.y.get(), self.z.get()
if len(ch)>0:
self.sel.updateCharge(ch)
self.updatePos(x,y,z)
self.sel.updateMi()
self.field.change=True
def updateLa(self):
self.chgla.config(text='Charge: %s'%str(self.sel.charge))
p=self.sel.pos
self.pos.config(text='Position: (%s, %s, %s)'%(str(p[0]), str(p[1]), str(p[2])))
def addC(self, n):
if not self.sel: return
if isinstance(self.sel, Point):
self.sel.charge+=n
elif isinstance(self.sel, Line):
self.sel.charge+=str(n)
self.field.change=True
self.updateLa()
def updatePos(self, x,y,z):
if not self.sel: return
self.sel.updatePos(x,y,z)
def end(self):
self.field.go=False