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import numpy as np, scipy.optimize
import traceback
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import phys, file
# global GUI-related shit
class GUI:
table = None
monospace = QFont("monospace")
bigfont = QFont("sans-serif", pointSize=10, weight=1000)
from ui_widgets import *
from ui_table import *
def update():
for i, pol in enumerate(system.elements):
row = GUI.table.rows[i]
if pol.ref is not False:
pol.angle += system.elements[pol.ref].angle
system.recalculate()
I = 1
for i, pol in enumerate(system.elements):
row = GUI.table.rows[i]
row.ellipse.state = system.states[i]
row.ellipse.ellipse = system.ellipses[i]
row.ellipse.is_used = system.elements[i].enable
row.ellipse.repaint()
state = system.states[i]
V = system.Vs[i]
ellipse = system.ellipses[i]
if state is None:
I = system.input_intensity
for label in row.jones:
label.setText("-")
row.stokes[0].setText("%g" % I)
for label in row.stokes[1:]:
label.setText("0")
else:
I = np.abs(state[0] * state[0].conjugate() \
+ state[1] * state[1].conjugate())
if state is None:
continue
polar = [(np.abs(z), np.angle(z) * 180 / np.pi) for z in state]
for i, (a, b) in enumerate(polar):
row.jones[2 * i].setText("%g" % a)
row.jones[2 * i + 1].setText("%g°" % b)
delta = polar[1][1] - polar[0][1]
row.jones[4].setText("%g°" % delta)
for i, x in enumerate(phys.jones_to_stokes(state)):
row.stokes[i].setText("%g" % x)
row.stokes[4].setText("%g°" % (ellipse.alpha * 180 / np.pi))
row.stokes[5].setText("%g°" % (ellipse.theta * 180 / np.pi))
GUI.poincare.update_system(system)
#if GUI.auto_optimize.isChecked():
# optimize()
GUI.do_update = update
# FIXME: refactor
#def optimize(which):
# if len(system.elements) == 0:
# return
#
# op_idx = GUI.opt_operand.currentData()
# op = system.elements[op_idx]
#
# def I(theta):
# op.angle = theta
# if op.ref is not False:
# op.angle += system.elements[op.ref].angle
#
# state = None
# for i, pol in enumerate(system.elements):
# if i >= len(system.ignore) or not system.ignore[i]:
# state = pol.mul(state)
# if state is None:
# return 1
# else:
# return float(np.abs(state[0] * state[0].conjugate() \
# + state[1] * state[1].conjugate()))
#
# if which == "min":
# f = I
# else:
# f = lambda theta: -I(theta)
#
# opt = scipy.optimize.minimize_scalar(f, bounds=[0, np.pi], method="bounded")
# GUI.table_rows[op_idx].optbox.angle.edit.setText("%g" % round(opt.x * 180 / np.pi, 3))
class MainWindow(QMainWindow):
file_filter = "Wery Omportant Zejta (*.woz)"
def __init__(self, system_):
super().__init__()
self.last_save_path = None
global system
system = system_
self.setWindowTitle("Polarizzazione italiana")
# Central widget
root = QVBoxLayout()
self.setCentralWidget(LayoutWrapper(root))
box = QHBoxLayout()
root.addLayout(box)
# Top bar
box.addWidget(QLabel("Input intensity"))
GUI.input_intensity = QLineEdit("%g" % system.input_intensity)
GUI.input_intensity.textChanged.connect(self.change_input_intensity)
box.addWidget(GUI.input_intensity)
# Splitter
split = QSplitter()
root.addWidget(split)
# Table (LHS)
GUI.table = SystemTable()
split.addWidget(GUI.table)
# Splitter RHS
rhs = QVBoxLayout()
split.addWidget(LayoutWrapper(rhs))
GUI.poincare = PoincareWidget()
rhs.addWidget(GUI.poincare)
GUI.table.populate(system)
update()
# Menu
menu_bar = self.menuBar()
self.statusBar()
# Menu - File
menu = menu_bar.addMenu("&File")
act = QAction("&Open system", self)
act.setShortcut("Ctrl+O")
act.triggered.connect(self.open_system)
menu.addAction(act)
act = QAction("&Save system", self)
act.setShortcut("Ctrl+S")
act.triggered.connect(lambda: self.save_system(True))
menu.addAction(act)
act = QAction("&Save system as...", self)
act.triggered.connect(lambda: self.save_system(False))
menu.addAction(act)
act = QAction("Exit", self)
act.setShortcut("Ctrl+Q")
act.triggered.connect(exit)
menu.addAction(act)
# Menu - System
menu = menu_bar.addMenu("&System")
act = QAction("&Add a new element", self)
act.setShortcut("Ctrl+N")
act.triggered.connect(lambda: GUI.table.insert_row(None, False))
menu.addAction(act)
act = QAction("&Remove all elements", self)
act.triggered.connect(GUI.table.clear)
menu.addAction(act)
def change_input_intensity(self):
try:
system.input_intensity = float(GUI.input_intensity.text())
update()
except ValueError:
pass
def save_system(self,reuse_old):
global system
if reuse_old and self.last_save_path:
path = self.last_save_path
else:
path, _ = QFileDialog.getSaveFileName(self, \
filter=MainWindow.file_filter)
if path == "":
return
try:
file.save_system(path, system)
except:
traceback.print_exc()
self.last_save_path = path
def open_system(self):
global system
path, _ = QFileDialog.getOpenFileName(self, \
filter=MainWindow.file_filter)
if path == "":
return
try:
system = file.open_system(path)
except:
traceback.print_exc()
GUI.table.populate(system)
GUI.input_intensity.setText("%g" % system.input_intensity)
GUI.do_update()
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