2024-11-25 14:01:09 +03:00
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import pandas as pd
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2024-12-16 14:24:26 +03:00
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLabel, QGraphicsRectItem
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2024-12-16 13:59:42 +03:00
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import copy
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2024-12-09 16:05:34 +03:00
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2024-12-06 11:12:08 +03:00
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2024-11-25 14:01:09 +03:00
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import pyqtgraph as pg
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from typing import Optional, Any
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2024-12-05 13:18:53 +03:00
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from utils.base.base import BasePlotWidget
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class ProcessStage():
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mean_value:int
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start_index:int
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finish_index:int
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2024-12-04 20:01:30 +03:00
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class PlotWidget(BasePlotWidget):
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def _create_navigator(self,
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time_region:tuple[float, float],
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main_plot: pg.PlotWidget,
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dataframe: pd.DataFrame,
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real_signals: list[dict[str, Any]]) -> list[pg.PlotWidget, pg.LinearRegionItem]:
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"""
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Создаёт график-навигатор, отображающий все данные в уменьшенном масштабе.
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"""
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navigator = pg.PlotWidget(title="Navigator")
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navigator.setFixedHeight(100)
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for signal in real_signals:
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if signal["name"] in dataframe.columns:
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x = dataframe["time"]
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y = dataframe[signal["name"]]
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x_downsampled, y_downsampled = self._downsample_data(x, y, max_points=1000)
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navigator.plot(x_downsampled, y_downsampled, pen=signal["pen"], name=signal["name"])
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2024-12-09 19:54:08 +03:00
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ROI_region = pg.LinearRegionItem(values=time_region, movable=True, brush=pg.mkBrush(0, 0, 255, 100))
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navigator.addItem(ROI_region)
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# Связываем изменение региона навигатора с обновлением области просмотра основного графика
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ROI_region.sigRegionChanged.connect(lambda: self._sync_main_plot_with_navigator(main_plot, ROI_region))
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return navigator, ROI_region
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def _downsample_data(self, x, y, max_points=5000):
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"""
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Понижает разрешение данных до заданного количества точек для улучшения производительности навигатора.
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"""
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if len(x) > max_points:
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factor = len(x) // max_points
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x_downsampled = x[::factor]
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y_downsampled = y[::factor]
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return x_downsampled, y_downsampled
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return x, y
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def _sync_main_plot_with_navigator(self,
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main_plot: pg.PlotWidget,
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region: pg.LinearRegionItem):
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"""
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Синхронизирует область просмотра основного графика с регионом навигатора.
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"""
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x_min, x_max = region.getRegion()
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if main_plot:
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main_plot.blockSignals(True)
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main_plot.setXRange(x_min, x_max, padding=0)
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main_plot.blockSignals(False)
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def _create_curve_ideal(self,
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signal: dict[str, Any],
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ideal_data: pd.DataFrame,
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start_timestamp: float,
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finish_timestamp: float) -> Optional[pg.PlotDataItem]:
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"""
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Создаёт идеальную кривую для сигнала, если заданы корректные временные рамки.
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"""
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if start_timestamp is not None and finish_timestamp is not None:
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return pg.PlotDataItem(
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x=start_timestamp + ideal_data["time"],
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y=ideal_data[signal["name"]],
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pen=signal["pen"]
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)
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return None
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def _create_stage_region(self,
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stage: str,
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start_timestamp: float,
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finish_timestamp: float,
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transparency: int) -> Optional[pg.LinearRegionItem]:
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"""
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Создает регион для определённого этапа, если заданы временные рамки.
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"""
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if start_timestamp is not None and finish_timestamp is not None:
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region = pg.LinearRegionItem([start_timestamp, finish_timestamp], movable=False)
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color = self._stage_colors.get(stage, [100, 100, 100, 100])
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region.setBrush(pg.mkBrush(color[:3] + [transparency]))
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return region
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return None
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@staticmethod
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def _init_plot_widget(title: str) -> tuple[pg.PlotWidget, pg.LegendItem]:
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plot_widget = pg.PlotWidget(title=title)
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# Оптимизация отображения графиков
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plot_widget.setDownsampling(auto=True, mode='peak')
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plot_widget.showGrid(x=True, y=True)
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plot_widget.setClipToView(True)
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legend = pg.LegendItem((80, 60), offset=(70, 20))
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legend.setParentItem(plot_widget.graphicsItem())
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return plot_widget, legend
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def _add_stage_regions(self,
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plot_widget: pg.PlotWidget,
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point_events: dict[str, list[float]],
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dataframe_headers: list[str],
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transparency: int = 75) -> None:
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"""
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Добавляет регионы для реальных этапов, если все стадии есть в заголовках датафрейма.
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"""
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stages = point_events.keys()
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if all(stage in dataframe_headers for stage in stages):
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for stage in stages:
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start_t, end_t = point_events[stage]
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region = self._create_stage_region(stage, start_t, end_t, transparency)
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if region is not None:
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plot_widget.addItem(region)
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def _add_ideal_stage_regions(self,
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plot_widget: pg.PlotWidget,
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ideal_data: dict[str, Any],
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point_events: dict[str, list[float]],
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transparency: int = 125) -> None:
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"""
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Добавляет регионы для идеальных этапов.
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"""
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ideal_timings = ideal_data["Ideal timings"]
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stages = list(point_events.keys())
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for i, stage in enumerate(stages):
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start_t = point_events[stage][0]
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end_t = start_t + ideal_timings[i]
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region = self._create_stage_region(stage, start_t, end_t, transparency)
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if region:
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plot_widget.addItem(region)
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def _add_ideal_signals(self,
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plot_widget: pg.PlotWidget,
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ideal_data: dict[str, Any],
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point_events: dict[str, list[float]],
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ideal_signals: list[dict[str, Any]]) -> None:
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"""
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Добавляет идеальные сигналы для каждого этапа.
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"""
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for stage in point_events.keys():
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for signal in ideal_signals:
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curve = self._create_curve_ideal(
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signal,
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ideal_data[stage],
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point_events[stage][0],
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point_events[stage][1]
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)
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if curve:
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plot_widget.addItem(curve)
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def _add_real_signals(self,
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plot_widget: pg.PlotWidget,
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dataframe: pd.DataFrame,
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real_signals: list[dict[str, Any]],
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legend: pg.LegendItem) -> None:
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"""
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Добавляет реальные сигналы из dataframe на виджет.
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"""
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dataframe_headers = dataframe.columns.tolist()
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for signal in real_signals:
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if signal["name"] in dataframe_headers:
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plot = plot_widget.plot(dataframe["time"], dataframe[signal["name"]], pen=signal["pen"], fast=True)
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legend.addItem(plot, signal["name"])
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def _add_performance_label(self,
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layout: QVBoxLayout,
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TWC_time: float,
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ideal_time: float,
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tesla_time: float) -> None:
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"""
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Добавляет QLabel с информацией о производительности.
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"""
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tesla_TWC = round((1 - TWC_time/tesla_time)*100, 2) if tesla_time else 0.0
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tesla_ideal = round((1 - ideal_time/tesla_time)*100, 2) if tesla_time else 0.0
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TWC_ideal = round((ideal_time/TWC_time)*100, 2) if TWC_time else 0.0
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performance_label = QLabel(
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f"Сокращение длительности: фактическое = {tesla_TWC} %, "
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f"идеальное = {tesla_ideal} %; КДИП = {TWC_ideal}%"
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)
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self.set_style(performance_label)
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layout.addWidget(performance_label)
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performance_label.update()
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def _mirror_shift_data(self,
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valid_str: str,
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signals: list[dict],
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dataframe: pd.DataFrame,
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shift: float) -> pd.DataFrame:
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keys = dataframe.keys()
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for signal in signals:
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if valid_str in signal["name"] and signal["name"] in keys:
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dataframe[signal["name"]] = dataframe[signal["name"]].apply(lambda x: shift-x)
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return dataframe
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def _shift_data(self,
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valid_str: str,
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signals: list[dict],
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dataframe: pd.DataFrame,
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shift: float) -> pd.DataFrame:
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keys = dataframe.keys()
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for signal in signals:
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if valid_str in signal["name"] and signal["name"] in keys:
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dataframe[signal["name"]] = dataframe[signal["name"]].apply(lambda x: x + shift)
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return dataframe
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def _build_widget(self, data: list[Any]) -> QWidget:
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"""
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Собирает графический виджет для одного набора данных.
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Параметр `data` предполагается списком: [dataframe, points_pocket, useful_data].
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"""
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widget = QWidget()
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layout = QVBoxLayout(widget)
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dataframe, points_pocket, useful_data = data
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tesla_time = useful_data["tesla_time"]
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range_ME = useful_data["range_ME"]
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k_hardness = useful_data["k_hardness"]
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dataframe_headers = dataframe.columns.tolist()
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for widget_num, (channel, description) in enumerate(self._plt_channels.items()):
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plot_widget, legend = self._init_plot_widget(title=channel)
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settings = description["Settings"]
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TWC_time = 0.0
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ideal_time = 0.0
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worst_perf = 2
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# TODO: рассчитать корректный параметр range
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if settings["mirror ME"]:
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dataframe = self._mirror_shift_data("ME", description["Real_signals"], dataframe, range_ME)
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# Итерация по точкам
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for cur_point, point_data in enumerate(points_pocket):
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# point_data структура: [point_timeframe, ideal_data, point_events]
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2024-12-16 14:24:26 +03:00
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point_timeframe, ideal_dat, point_events, useful_p_data = point_data
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2024-12-16 13:59:42 +03:00
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ideal_data = copy.deepcopy(ideal_dat)
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2024-12-16 15:09:45 +03:00
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# TODO: проверить корректность расчетов
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if settings["force compensation FE"]:
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force = useful_p_data["force"]
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2024-12-16 16:49:01 +03:00
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F_comp = - force/k_hardness
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2024-12-16 15:09:45 +03:00
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point_idxs = dataframe[(dataframe["time"] >= point_timeframe[0]) & (dataframe["time"] <= point_timeframe[1])].index
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dataframe.loc[point_idxs] = self._shift_data("FE", description["Real_signals"], dataframe.loc[point_idxs], F_comp)
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2024-12-16 14:24:26 +03:00
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2024-12-16 13:59:42 +03:00
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# Модифицируем данные для отображения гарфика
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if settings["ideals"] and settings["mirror ME"]:
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for stage in point_events.keys():
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ideal_data[stage] = self._mirror_shift_data("ME", description["Ideal_signals"], ideal_data[stage], range_ME)
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2024-12-09 16:05:34 +03:00
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# Добавляем реальные стадии
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if settings["stages"]:
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2024-12-09 19:54:08 +03:00
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self._add_stage_regions(plot_widget, point_events, dataframe_headers, 75)
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2024-12-04 20:01:30 +03:00
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2024-12-16 15:09:45 +03:00
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# TODO: подобрать не вырвеглазные цвета, возможно ограничить зону
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2024-12-16 14:24:26 +03:00
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if settings["workpiece"]:
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x1 = point_timeframe[0]
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dx = point_timeframe[1] - x1
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y1 = useful_p_data["L2"]*1000
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dy = useful_p_data["thickness"]*1000
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2024-12-16 15:09:45 +03:00
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2024-12-16 14:24:26 +03:00
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rect_item = QGraphicsRectItem(x1, y1, dx, dy)
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rect_item.setBrush(pg.mkBrush('blue'))
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rect_item.setPen(pg.mkPen('red', width=2))
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plot_widget.addItem(rect_item)
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2024-12-09 16:05:34 +03:00
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# Добавляем идеальные стадии и идеальные сигналы
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2024-12-04 20:01:30 +03:00
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if settings["ideals"]:
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2024-12-09 19:54:08 +03:00
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self._add_ideal_stage_regions(plot_widget, ideal_data, point_events, 100)
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2024-12-09 16:05:34 +03:00
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self._add_ideal_signals(plot_widget, ideal_data, point_events, description["Ideal_signals"])
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2024-12-03 17:21:22 +03:00
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2024-12-09 16:05:34 +03:00
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# Подсчёт производительности
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2024-12-03 17:21:22 +03:00
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if settings["performance"]:
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2024-12-09 16:05:34 +03:00
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is_last_point = (cur_point == len(points_pocket) - 1)
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if is_last_point:
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TWC_delta = sum([point_events[stage][1] - point_events[stage][0] for stage in ["Closing", "Squeeze", "Welding"]])
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ideal_delta = sum(ideal_data["Ideal timings"][0:3])
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2024-12-04 20:01:30 +03:00
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else:
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2024-12-09 16:05:34 +03:00
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TWC_delta = point_timeframe[1] - point_timeframe[0]
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ideal_delta = ideal_data["Ideal cycle"]
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TWC_time += TWC_delta
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ideal_time += ideal_delta
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curr_perf = ideal_delta/TWC_delta if TWC_delta != 0 else 1
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if curr_perf < worst_perf:
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worst_perf = curr_perf
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worst_timeframe = point_timeframe
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2024-12-06 11:12:08 +03:00
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2024-12-09 16:05:34 +03:00
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# Добавляем реальные сигналы
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self._add_real_signals(plot_widget, dataframe, description["Real_signals"], legend)
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if widget_num == 0:
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main_plot = plot_widget
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else:
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# Связываем остальные графики с основным графиком
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plot_widget.setXLink(main_plot)
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2024-12-06 11:12:08 +03:00
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2024-12-09 16:05:34 +03:00
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# Если есть настройка производительности, добавляем label
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if settings["performance"]:
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self._add_performance_label(layout, TWC_time, ideal_time, tesla_time)
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navigator, ROI_region = self._create_navigator(worst_timeframe, main_plot, dataframe, description["Real_signals"])
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2024-11-25 14:01:09 +03:00
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layout.addWidget(plot_widget)
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2024-12-09 16:05:34 +03:00
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layout.addWidget(navigator)
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self._sync_main_plot_with_navigator(main_plot, ROI_region)
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main_plot.sigXRangeChanged.connect(lambda _, plot=main_plot, region=ROI_region: self._sync_navigator_with_main(main_plot=plot, region=region))
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2024-11-25 14:01:09 +03:00
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widget.setLayout(layout)
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return widget
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2024-12-09 16:05:34 +03:00
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def _sync_navigator_with_main(self, main_plot: pg.PlotWidget, region:pg.LinearRegionItem):
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"""
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Синхронизирует регион навигатора с областью просмотра основного графика.
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"""
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if region:
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x_min, x_max = main_plot
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region.blockSignals(True) # Предотвращаем рекурсию
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region.setRegion([x_min, x_max])
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region.blockSignals(False)
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2024-11-25 14:01:09 +03:00
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2024-12-09 16:05:34 +03:00
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def build(self, data: list[list[Any]]) -> None:
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"""
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Создает набор виджетов по предоставленному списку данных.
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Предполагается, что data — это список элементов вида:
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[
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[dataframe, points_pocket, tesla_time],
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[dataframe, points_pocket, tesla_time],
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...
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]
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"""
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2024-11-25 14:01:09 +03:00
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widgets = [self._build_widget(data_sample) for data_sample in data]
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self._mediator.notify(self, widgets)
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2024-11-25 17:20:00 +03:00
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