Add shared waveform processing, generation and firmware image support
This commit is contained in:
293
python/set_devices/qt_ports/plot_processing.py
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293
python/set_devices/qt_ports/plot_processing.py
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"""Reusable Qt processing panel and plot attachment; no SETGUI dependency."""
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from __future__ import annotations
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from dataclasses import replace
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try:
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from PySide6.QtCore import QObject, QPointF, QRunnable, QThreadPool, QSignalBlocker, QTimer, Qt, Signal, Slot
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from PySide6.QtGui import QColor, QPainterPath, QPen
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from PySide6.QtWidgets import (
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QComboBox, QDialog, QFileDialog, QHBoxLayout, QLabel, QPushButton, QSpinBox,
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QVBoxLayout, QWidget,
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)
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except ImportError:
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from PySide2.QtCore import QObject, QPointF, QRunnable, QThreadPool, QSignalBlocker, QTimer, Qt, Signal, Slot
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from PySide2.QtGui import QColor, QPainterPath, QPen
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from PySide2.QtWidgets import (
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QComboBox, QDialog, QFileDialog, QHBoxLayout, QLabel, QPushButton, QSpinBox,
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QVBoxLayout, QWidget,
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)
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from set_devices.signal_reconstruction import METHODS
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from set_devices.plot_processing import Snapshot, prepare, process, write_csv
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class _ResultSignals(QObject):
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done = Signal(object, object, str)
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class _Calculation(QRunnable):
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def __init__(self, signature):
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super().__init__()
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self.signature = signature
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self.signals = _ResultSignals()
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def run(self):
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try:
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result = process(self.signature)
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except Exception as error:
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self.signals.done.emit(self.signature, None, str(error))
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else:
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self.signals.done.emit(self.signature, result, "")
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class SignalProcessingPanel(QWidget):
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changed = Signal()
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RESULT_KEY = "__calculated_trend__"
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def __init__(self, parent=None):
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super().__init__(parent)
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self._snapshot = Snapshot()
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self._result = None
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self._result_signature = None
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self._job = None
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self._revision = 0
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self._job_revision = 0
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self.preserve_on_view_change = False
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layout = QVBoxLayout(self)
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layout.setContentsMargins(0, 0, 0, 0)
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row = QHBoxLayout()
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row.addWidget(QLabel("Обработка"))
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self.channel = QComboBox()
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self.channel.setMinimumWidth(140)
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row.addWidget(self.channel)
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self.method = QComboBox()
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for key, title in METHODS.items():
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self.method.addItem(title, key)
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self.method.setCurrentIndex(2)
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row.addWidget(self.method)
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row.addStretch(1)
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layout.addLayout(row)
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row = QHBoxLayout()
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row.addWidget(QLabel("Степень"))
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self.degree = QSpinBox()
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self.degree.setRange(1, 5)
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self.degree.setValue(2)
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row.addWidget(self.degree)
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row.addWidget(QLabel("Точек результата"))
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self.count = QSpinBox()
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self.count.setRange(2, 10000)
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self.count.setValue(1000)
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row.addWidget(self.count)
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self.apply_button = QPushButton("Рассчитать")
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self.apply_button.clicked.connect(self.calculate)
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row.addWidget(self.apply_button)
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self.clear_button = QPushButton("Убрать")
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self.clear_button.clicked.connect(self.clear)
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row.addWidget(self.clear_button)
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self.export_button = QPushButton("Результат CSV…")
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self.export_button.clicked.connect(self.export_csv)
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row.addWidget(self.export_button)
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row.addStretch(1)
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layout.addLayout(row)
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self.status = QLabel("Выберите аналоговый канал и метод. Расчёт по переданным точкам, без экстраполяции.")
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self.status.setWordWrap(True)
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layout.addWidget(self.status)
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self.method.setToolTip(
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"Полином МНК — сглаживание шумных данных. Линейная — отрезки между точками.\n"
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"PCHIP — сохранение формы без выбросов. Сплайн — гладкая кривая, возможны выбросы.\n"
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"Восстановление — оценка между измерениями; утраченные детали не определяются однозначно.")
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for widget in (self.channel, self.method):
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widget.currentIndexChanged.connect(self.clear)
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for widget in (self.degree, self.count):
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widget.valueChanged.connect(self.clear)
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self._update_actions()
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def _signature(self):
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return prepare(self._snapshot, self.channel.currentData(), self.method.currentData(),
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self.count.value(), self.degree.value())
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def _current_request_for(self, signature):
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if not self.preserve_on_view_change or signature is None:
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return self._signature()
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# Validate the original calculation domain, independently of navigation.
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return prepare(replace(self._snapshot, x_range=signature.x_range),
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self.channel.currentData(), self.method.currentData(),
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self.count.value(), self.degree.value())
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def set_snapshot(self, snapshot):
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previous = ((self._result_signature or (self._job.signature if self._job is not None else None))
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if self.preserve_on_view_change else None) or self._signature()
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was_blocked = bool(self._snapshot.blocked_reason)
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choices = [(signal.key, signal.label) for signal in snapshot.analogs]
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current = [(self.channel.itemData(i), self.channel.itemText(i)) for i in range(self.channel.count())]
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if choices != current:
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selected = self.channel.currentData()
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blocker = QSignalBlocker(self.channel)
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self.channel.clear()
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for key, title in choices:
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self.channel.addItem(title, key)
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index = self.channel.findData(selected)
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if index >= 0:
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self.channel.setCurrentIndex(index)
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del blocker
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self._snapshot = snapshot
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if previous != self._current_request_for(previous):
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self._revision += 1
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if self._result is not None:
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self._result = self._result_signature = None
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self.status.setText("Данные или окно изменились — нажмите «Рассчитать» повторно.")
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if snapshot.blocked_reason:
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self.status.setText(snapshot.blocked_reason)
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elif not choices:
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self.status.setText("Нет видимых аналоговых каналов для обработки.")
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elif was_blocked:
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self.status.setText("Выберите канал и метод, затем нажмите «Рассчитать».")
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self._update_actions()
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def _update_actions(self):
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self.degree.setEnabled(self.method.currentData() == "polynomial")
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request = self._signature()
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self.apply_button.setEnabled(self._job is None and request is not None and
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len(request.series.points) >= 2)
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self.export_button.setEnabled(self._result is not None and not self._snapshot.blocked_reason)
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self.clear_button.setEnabled(self._result is not None or self._job is not None)
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self.apply_button.setToolTip("Обработка выбранной кривой в её единицах X/Y. Для живого потока остановите сбор.")
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def clear(self, *_):
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self._revision += 1
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self._result = self._result_signature = None
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self.status.setText("Расчёт по текущему окну. Исходные измерения сохраняются; кривая — оценка между точками.")
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self._update_actions()
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self.changed.emit()
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def calculate(self):
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if self._job is not None or self._snapshot.blocked_reason:
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return
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signature = self._signature()
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if signature is None or len(signature.series.points) < 2:
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self.status.setText("Нужны минимум две точки аналогового канала.")
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return
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self._job = _Calculation(signature)
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self._job_revision = self._revision
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self._job.signals.done.connect(self._finished)
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self.status.setText("Расчёт…")
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self._update_actions()
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QThreadPool.globalInstance().start(self._job)
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@Slot(object, object, str)
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def _finished(self, signature, result, error):
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self._job = None
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if signature != self._current_request_for(signature) or self._job_revision != self._revision:
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self.status.setText("Данные изменились во время расчёта. Остановите сбор и повторите расчёт.")
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elif error:
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self.status.setText("Расчёт не выполнен: " + error)
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else:
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self._result, self._result_signature = result, signature
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duplicates = result.input_count - result.unique_count
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self.status.setText(
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f"{self.channel.currentText()}: {result.unique_count} исходных → {len(result.points)} расчётных точек; "
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f"СКО на измерениях: {result.rmse:.6g}. "
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+ (f"Повторы X усреднены: {duplicates}. " if duplicates else "")
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+ "Розовая линия — расчётная оценка; исходные данные сохранены.")
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self._update_actions()
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self.changed.emit()
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def overlay(self):
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if self._result is None or self._snapshot.blocked_reason:
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return [], {}
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return [(self.RESULT_KEY, self._result.label, False, "#FF70D0", True)], {self.RESULT_KEY: self._result.points}
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@property
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def curve(self):
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return self._result
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def export_csv(self):
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if self._result is None:
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return
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path, _ = QFileDialog.getSaveFileName(self, "Сохранить расчётную кривую", "calculated-signal.csv", "CSV (*.csv)")
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if not path:
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return
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try:
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with open(path, "w", newline="", encoding="utf-8-sig") as stream:
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write_csv(self._result, stream)
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except (OSError, ValueError, OverflowError) as error:
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self.status.setText("Не удалось сохранить CSV: " + str(error))
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class PlotProcessingAttachment(QObject):
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"""Attach to any Qt plot via snapshot/project/repaint callbacks.
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Call source_changed when raw data, units or visible channel selection change.
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Paint after raw analog curves with the same rect/projection. No channel or
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history mutation, no dependency on the caller's renderer or acquisition API.
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"""
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def __init__(self, parent, snapshot, repaint):
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super().__init__(parent)
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self.snapshot = snapshot
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self.repaint = repaint
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self.dialog = None
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self.panel = None
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self._external_curve = None
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self._external_offset = 0.0
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self.button = QPushButton("Обработка…", parent)
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self.button.setToolTip("Аппроксимация, интерполяция и восстановление аналоговой кривой")
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self.button.clicked.connect(self.open)
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self._refresh_timer = QTimer(self)
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self._refresh_timer.setSingleShot(True)
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self._refresh_timer.timeout.connect(self.refresh)
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self._dirty = False
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@property
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def curve(self):
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# Hide stale geometry immediately, before coalesced refresh runs.
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if self._external_curve is not None:
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return self._external_curve
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return self.panel.curve if self.panel is not None and not self._dirty else None
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def set_external_curve(self, curve, x_offset=0.0):
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"""Embedded panels own snapshot invalidation; display rebasing is explicit."""
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self._external_curve = curve
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self._external_offset = x_offset
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self.repaint()
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def source_changed(self):
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if self.panel is not None:
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self._dirty = True
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self._refresh_timer.start(0)
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def refresh(self):
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if self.panel is not None:
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self.panel.set_snapshot(self.snapshot())
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self._dirty = False
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self.repaint()
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def open(self):
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if self.dialog is None:
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self.dialog = QDialog(self.parent())
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self.dialog.setWindowTitle("Обработка графика")
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layout = QVBoxLayout(self.dialog)
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self.panel = SignalProcessingPanel(self.dialog)
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self.panel.changed.connect(self.repaint)
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layout.addWidget(self.panel)
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self.dialog.resize(760, 240)
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self.refresh()
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self.dialog.show()
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self.dialog.raise_()
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self.dialog.activateWindow()
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def paint(self, painter, rect, project):
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curve = self.curve
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if curve is None:
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return
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painter.save()
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painter.setClipRect(rect)
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path = QPainterPath()
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for index, (x, y) in enumerate(curve.points):
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point = project(x - (self._external_offset if self._external_curve is not None else 0), y, rect)
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path.moveTo(point) if index == 0 else path.lineTo(point)
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painter.setPen(QPen(QColor("#FF70D0"), 2, Qt.DashLine))
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painter.setBrush(Qt.NoBrush)
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painter.drawPath(path)
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painter.setPen(QColor("#FF70D0"))
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painter.drawText(QPointF(rect.left() + 6, rect.bottom() - 8), curve.label)
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painter.restore()
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