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332 | class CreatePyGUI(QMainWindow):
"""
The main visualization widget for RionID.
"""
plotClicked = pyqtSignal()
def __init__(self, exp_data=None, sim_data=None):
super().__init__()
self.saved_x_range = None
self.simulated_items = []
self.red_triangles = None
self.exp_data_curve = None
self.font_size = 14
pg.setConfigOptions(antialias=True)
pg.setConfigOption('background', 'k')
pg.setConfigOption('foreground', 'w')
self.x_exp = np.array([])
self.z_exp = np.array([])
self.setup_ui()
self.plot_widget.scene().sigMouseClicked.connect(self.on_click)
def on_click(self, event):
self.plotClicked.emit()
def setup_ui(self):
self.setWindowTitle('Schottky Signals Identifier')
self.main_widget = QWidget(self)
self.setCentralWidget(self.main_widget)
main_layout = QVBoxLayout(self.main_widget)
QLoggingCategory.setFilterRules('*.warning=false\n*.critical=false')
self.plot_widget = pg.PlotWidget()
self.plot_widget.showGrid(x=True, y=True, alpha=0.25)
self.plot_widget.plotItem.ctrl.logYCheck.setChecked(True)
self.plot_widget.setClipToView(True)
# Style Axes
axis_pen = pg.mkPen(color='w', width=1.5)
self.plot_widget.getAxis('bottom').setPen(axis_pen)
self.plot_widget.getAxis('left').setPen(axis_pen)
self.plot_widget.getAxis('bottom').setTextPen('w')
self.plot_widget.getAxis('left').setTextPen('w')
self.legend = CustomLegendItem(self.font_size, offset=(-10, 10))
self.legend.brush = pg.mkBrush(0, 0, 0, 150) # Semi-transparent black box
self.legend.pen = pg.mkPen('w', width=0.5) # White border
self.legend.setParentItem(self.plot_widget.graphicsItem())
main_layout.addWidget(self.plot_widget)
self.cursor_pos_label = QLabel(self)
self.cursor_pos_label.setStyleSheet("color: black; font-weight: bold;")
main_layout.addWidget(self.cursor_pos_label)
self.proxy = pg.SignalProxy(self.plot_widget.scene().sigMouseMoved, rateLimit=60, slot=self.mouse_moved)
self.add_buttons(main_layout)
self.update_fonts(self.font_size)
def _sanitize_positive(self, data, floor=1e-9):
"""
Aggressively sanitizes data for Log plotting.
Removes NaNs, Infs, and values <= 0.
"""
data = np.asanyarray(data, dtype=float)
# Replace NaNs and Infs with floor
data[~np.isfinite(data)] = floor
return np.maximum(data, floor)
def plot_all_data(self, data):
# Disable auto-range to prevent ViewBox from calculating bounds on partial data
self.plot_widget.disableAutoRange()
try:
self.clear_experimental_data()
self.clear_simulated_data()
self.plot_experimental_data(data)
self.plot_simulated_data(data)
# Restore view or auto-range if first load
if self.saved_x_range:
self.plot_widget.setXRange(*self.saved_x_range, padding=0.02)
else:
self.plot_widget.autoRange()
finally:
self.plot_widget.enableAutoRange()
def plot_experimental_data(self, data):
if data.experimental_data is None: return
self.exp_data = data.experimental_data
# Extract and Sanitize
self.x_exp = self.exp_data[0] * 1e-6 # Hz -> MHz
self.z_exp = self._sanitize_positive(self.exp_data[1])
if len(self.x_exp) == 0: return
if self.saved_x_range is None:
self.saved_x_range = (np.min(self.x_exp), np.max(self.x_exp))
pen = pg.mkPen(color='w', width=1.0)
brush = pg.mkBrush(color=(255, 255, 255, 50)) # White with low opacity
# Use fillLevel matching the floor to avoid log(-inf) issues
self.exp_data_curve = pg.PlotCurveItem(
self.x_exp, self.z_exp,
pen=pen,
brush=brush,
fillLevel=1e-9
)
self.plot_widget.addItem(self.exp_data_curve)
self.legend.addItem(self.exp_data_curve, 'Experimental Data')
# Plot Peaks
if hasattr(data, 'peak_freqs') and len(data.peak_freqs) > 0:
peak_h = self._sanitize_positive(data.peak_heights)
self.red_triangles = self.plot_widget.plot(
data.peak_freqs * 1e-6, peak_h,
pen=None,
symbol='t1',
symbolBrush='#d62728',
symbolPen='k',
symbolSize=10
)
self.legend.addItem(self.red_triangles, 'Detected Peaks')
def plot_simulated_data(self, data):
self.simulated_data = data.simulated_data_dict
refion = data.ref_ion
highlights = data.highlight_ions or []
color_cycle = ['#1f77b4', '#17becf', '#2ca02c', '#d62728', '#9467bd',
'#8c564b', '#e377c2', '#7f7f7f', '#bcbd22']
color_ref = '#ff7f0e' # Orange for Reference
color_match = '#2ca02c' # Green for Matches
for i, (harmonic, sdata) in enumerate(self.simulated_data.items()):
# Arrays for bulk plotting (Vectorization)
bulk_freqs = []
bulk_yields = []
# Generate a unique color for this harmonic
color = color_cycle[i % len(color_cycle)]
for entry in sdata:
try:
freq = float(entry[0]) * 1e-6
raw_yield = float(entry[1])
except (ValueError, TypeError):
continue
if not np.isfinite(freq): continue
yield_value = max(raw_yield, 1.1e-9)
label = entry[2]
is_highlight = label in highlights
is_ref = label == refion
# Determine Style
if is_highlight:
c = color_match
width = 2
style = Qt.SolidLine
elif is_ref:
c = color_ref
width = 2
style = Qt.DashLine
else:
c = color
# No need for width/style here, handled by bulk curve
# Create Text Label
# Note: Creating thousands of TextItems is still slow.
# Use the '-n' (nions) argument to limit this if it's still laggy.
match = re.match(r'(\d+)([A-Za-z]+)(\d+)\+', label)
if match:
mass, elem, charge = match.groups()
new_label = self.to_superscript(mass) + elem + self.to_superscript(charge) + '⁺'
else:
new_label = label
text_item = pg.TextItem(text=new_label, color=c, anchor=(0.5, 1))
text_item.setFont(QFont("Arial", self.font_size))
text_item.setPos(freq, yield_value * 1.05)
self.plot_widget.addItem(text_item)
if is_highlight or is_ref:
# Plot SPECIAL lines individually (so they draw on top with specific styles)
line = self.plot_widget.plot(
[freq, freq], [1e-9, yield_value],
pen=pg.mkPen(color=c, width=width, style=style)
)
self.simulated_items.append((line, text_item))
else:
# Add STANDARD lines to bulk arrays for optimization
bulk_freqs.append(freq)
bulk_yields.append(yield_value)
# Track text item (line is None because it's part of the bulk curve)
self.simulated_items.append((None, text_item))
# --- BULK PLOT ---
# Draw all standard lines for this harmonic in ONE go
if bulk_freqs:
# Interleave arrays for connect='pairs'
# x: [f1, f1, f2, f2, ...]
# y: [min, y1, min, y2, ...]
x_conn = np.repeat(bulk_freqs, 2)
y_conn = np.empty(len(bulk_yields) * 2)
y_conn[0::2] = 1e-9
y_conn[1::2] = bulk_yields
bulk_pen = pg.mkPen(color=color, width=2, style=Qt.DotLine)
# connect='pairs' tells PyQtGraph to draw disjoint lines: (p0->p1), (p2->p3), etc.
bulk_curve = pg.PlotCurveItem(x_conn, y_conn, connect='pairs', pen=bulk_pen)
self.plot_widget.addItem(bulk_curve)
# Track the bulk curve so we can clear it later
self.simulated_items.append((bulk_curve, None))
# Add to legend
self.legend.addItem(bulk_curve, f'Harmonic {harmonic}')
def to_superscript(self, s):
supers = {'0': '⁰', '1': '¹', '2': '²', '3': '³', '4': '⁴', '5': '⁵', '6': '⁶', '7': '⁷', '8': '⁸', '9': '⁹'}
return ''.join(supers.get(c, c) for c in s)
def update_fonts(self, size):
self.font_size = size
self.font_ticks = QFont("Arial", size)
self.plot_widget.getAxis('bottom').setTickFont(self.font_ticks)
self.plot_widget.getAxis('left').setTickFont(self.font_ticks)
label_style = {'color': '#000', 'font-size': f'{size+2}pt'}
self.plot_widget.setLabel('bottom', 'Frequency (MHz)', **label_style)
self.plot_widget.setLabel('left', 'Amplitude (a.u.)', **label_style)
self.legend.updateFont(size)
def mouse_moved(self, evt):
pos = evt[0]
if self.plot_widget.sceneBoundingRect().contains(pos):
mousePoint = self.plot_widget.plotItem.vb.mapSceneToView(pos)
self.cursor_pos_label.setText(f"Cursor: {mousePoint.x():.4f} MHz")
def updateData(self, data):
self.plot_all_data(data)
def clear_simulated_data(self):
while self.simulated_items:
line, text = self.simulated_items.pop()
if line:
self.plot_widget.removeItem(line)
if text:
self.plot_widget.removeItem(text)
self.legend.clear()
def clear_experimental_data(self):
if self.exp_data_curve:
self.plot_widget.removeItem(self.exp_data_curve)
self.exp_data_curve = None
if self.red_triangles:
self.plot_widget.removeItem(self.red_triangles)
self.red_triangles = None
def reset_view(self):
if self.saved_x_range:
self.plot_widget.setXRange(*self.saved_x_range, padding=0.02)
if len(self.z_exp) > 0:
min_y = np.min(self.z_exp)
max_y = np.max(self.z_exp)
if min_y <= 0: min_y = 1e-9
self.plot_widget.setYRange(min_y, max_y * 2, padding=0.05)
def add_buttons(self, main_layout):
layout = QHBoxLayout()
font_spin = QSpinBox()
font_spin.setRange(8, 30)
font_spin.setValue(self.font_size)
font_spin.valueChanged.connect(self.update_fonts)
lbl = QLabel("Font Size:")
lbl.setFont(QFont("Arial", 12))
layout.addWidget(lbl)
layout.addWidget(font_spin)
reset_btn = QPushButton("Reset View")
reset_btn.setFont(QFont("Arial", 12))
reset_btn.clicked.connect(self.reset_view)
layout.addWidget(reset_btn)
main_layout.addLayout(layout)
|