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-rw-r--r--src/file.py4
-rw-r--r--src/phys.py31
-rw-r--r--src/ui_table.py28
-rw-r--r--src/ui_widgets.py2
4 files changed, 23 insertions, 42 deletions
diff --git a/src/file.py b/src/file.py
index 3c69063..225cee2 100644
--- a/src/file.py
+++ b/src/file.py
@@ -1,7 +1,7 @@
import re, sys, traceback, json
import phys
-file_format_version = 5
+file_format_version = 6
def save_system(path, system):
ser = dict()
@@ -12,7 +12,7 @@ def save_system(path, system):
for pol in system.elements:
el = {
"name": pol.name,
- "type": pol.type,
+ "phase_retardation": pol.phase_retardation,
"enable": pol.enable,
"angle": pol.angle,
"delta": pol.delta,
diff --git a/src/phys.py b/src/phys.py
index c47a497..8065d14 100644
--- a/src/phys.py
+++ b/src/phys.py
@@ -63,44 +63,31 @@ class Ellipse:
self.theta = np.arcsin(V[3] / R) / 2
class Polarizer:
- def __init__(self, type, delta=0):
+ def __init__(self, delta=0):
self.name = "New element" # FIXME
- self.type = type
+ self.phase_retardation = 0
self.angle = 0
self.delta = delta
self.ref = False
self.t1 = 1
self.t2 = 0
self.enable = True
- self.set_type(type)
-
- def set_type(self, type):
- if type == "linear":
- self.M = np.array([[1, 0], [0, 0]])
- elif type == "quarterwave":
- self.M = np.exp(-1j / 4 * np.pi) * \
- np.array([[1, 0], [0, 1j]])
- else:
- raise ValueError("bad Polarizer type: %s" % type)
- self.type = type
def mul(self, state):
# unpolarized light
if state is None:
- if self.type == "linear":
+ if self.t2 == 0: # FIXME: this is half-assed
return np.dot(R(-self.angle - self.delta), \
np.array([[1], [0]])) * np.sqrt(self.t1)
else:
return None
- if type == "linear":
- A = np.sqrt(np.array([[self.t1, 0], [0, self.t2]]))
- else:
- A = np.sqrt(np.array([[self.t1, 0], [0, self.t1]]))
-
- M = np.matmul(R(-self.angle - self.delta), \
- np.matmul(np.matmul(self.M, A), R(self.angle + self.delta)))
- return np.dot(M, state)
+ # FIXME: half-assed again
+ A = np.sqrt(np.array([[self.t1, 0], [0, self.t2]]))
+ M = np.array([[1, 0], [0, np.exp(1j * self.phase_retardation),]])
+ MR = np.matmul(R(-self.angle - self.delta), \
+ np.matmul(np.matmul(M, A), R(self.angle + self.delta)))
+ return np.dot(MR, state)
class System:
def __init__(self):
diff --git a/src/ui_table.py b/src/ui_table.py
index 52a4171..bd02a90 100644
--- a/src/ui_table.py
+++ b/src/ui_table.py
@@ -45,16 +45,12 @@ class ElementEditorWindow(QMainWindow):
self.name.textChanged.connect(self.change_name)
box.addWidget(self.name)
- # OPTICS
- root.addWidget(MeinGroßLabel("Optics"))
+ # PHASE RETARDATION
+ root.addWidget(MeinGroßLabel("Phase retardation"))
- # Type combo
- self.type = QComboBox()
- self.type.addItem("Linear", "linear",)
- self.type.addItem("Quarterwave plate", "quarterwave")
- self.type.setCurrentIndex(0 if self.pol.type == "linear" else 1)
- self.type.currentIndexChanged.connect(self.change_type)
- root.addWidget(self.type)
+ self.phase_retardation = AngleSlider()
+ self.phase_retardation.on_change = self.change_optics
+ root.addLayout(self.phase_retardation)
# TRANSMITTANCE
root.addWidget(MeinGroßLabel("Transmittance"))
@@ -64,10 +60,10 @@ class ElementEditorWindow(QMainWindow):
box.addWidget(QLabel("T"))
self.t1 = QLineEdit("%g" % self.pol.t1)
- self.t1.textChanged.connect(self.change_t)
+ self.t1.textChanged.connect(self.change_optics)
box.addWidget(self.t1)
self.t2 = QLineEdit("%g" % self.pol.t2)
- self.t2.textChanged.connect(self.change_t)
+ self.t2.textChanged.connect(self.change_optics)
box.addWidget(self.t2)
# ARRANGEMENT
@@ -95,10 +91,6 @@ class ElementEditorWindow(QMainWindow):
self.pol.name = self.name.text()
self.row.optbox.name.setText(self.pol.name)
- def change_type(self):
- self.pol.set_type(self.type.currentData())
- GUI.do_update()
-
def change_delta(self):
try:
self.pol.delta = self.delta.angle / 180 * np.pi
@@ -106,10 +98,12 @@ class ElementEditorWindow(QMainWindow):
except ValueError:
pass
- def change_t(self):
+ def change_optics(self):
try:
self.pol.t1 = float(self.t1.text())
self.pol.t2 = float(self.t2.text())
+ self.pol.phase_retardation = \
+ float(self.phase_retardation.angle) / 180 * np.pi
GUI.do_update()
except ValueError:
pass
@@ -294,7 +288,7 @@ class SystemTable(QTableWidget):
i = 0 if before else len(self.rows)
if pol is None:
- pol = phys.Polarizer("linear")
+ pol = phys.Polarizer()
editor = True
else:
editor = False
diff --git a/src/ui_widgets.py b/src/ui_widgets.py
index 42fda7c..07b0369 100644
--- a/src/ui_widgets.py
+++ b/src/ui_widgets.py
@@ -91,7 +91,7 @@ class EllipseWidget(QWidget):
# polarizer axes
P.translate(cx, cy)
P.rotate(- (self.pol.angle + self.pol.delta) * 180 / np.pi)
- if self.pol.type == "linear":
+ if self.pol.t2 == 0: # FIXME: half-assed
P.setPen(Pens.axis_linear)
P.drawLine(-20 * r, 0, 20 * r, 0)
else: