mirror of https://gitlab.com/pamhyr/pamhyr2
140 lines
4.7 KiB
Python
140 lines
4.7 KiB
Python
# MainWindowTabGraph.py -- Pamhyr
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# Copyright (C) 2026 INRAE
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# -*- coding: utf-8 -*-
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from View.Tools.Plot.PamhyrCanvas import MplCanvas
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from View.Tools.Plot.PamhyrToolbar import PamhyrPlotToolbar
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from View.PlotXY import PlotXY
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from View.Network.GraphWidget import GraphWidget
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import (
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QWidget, QGroupBox, QLabel, QHBoxLayout, QVBoxLayout, QSplitter,
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)
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class WidgetGraph(QWidget):
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"""Read-only network graph displayed in the main window."""
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def __init__(self, study=None, trad=None, parent=None):
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super(WidgetGraph, self).__init__(parent)
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self._study = study
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self._trad = trad
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self._plot_river = None
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layout = QHBoxLayout(self)
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self._splitter = QSplitter(Qt.Horizontal, self)
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self._splitter.setChildrenCollapsible(False)
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layout.addWidget(self._splitter)
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self._graph_widget = None
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self._graph_group = QGroupBox(
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self._trad["graph_network_title"], self
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)
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self._graph_layout = QVBoxLayout(self._graph_group)
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self._graph_title = QLabel(self._graph_group)
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self._graph_title.setTextFormat(Qt.PlainText)
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self._graph_title.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
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self._graph_title.setWordWrap(True)
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self._graph_layout.addWidget(self._graph_title)
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self._update_graph_title()
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self._splitter.addWidget(self._graph_group)
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self.canvas = MplCanvas(width=5, height=4, dpi=100)
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self.canvas.setObjectName("canvas_graph")
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self.toolbar = PamhyrPlotToolbar(
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self.canvas, self,
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items=["home", "zoom", "save", "iso", "back/forward", "move"]
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)
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self._plot_group = QGroupBox(
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self._trad["graph_geographic_title"], self
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)
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self._plot_layout = QVBoxLayout(self._plot_group)
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self._plot_layout.addWidget(self.toolbar)
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self._plot_layout.addWidget(self.canvas, 1)
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self._splitter.addWidget(self._plot_group)
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self._splitter.setStretchFactor(0, 1)
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self._splitter.setStretchFactor(1, 1)
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self._splitter.setSizes([1000, 1000])
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self.plot = PlotXY(
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canvas=self.canvas,
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data=None,
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trad=self._trad,
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toolbar=self.toolbar,
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parent=self
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)
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@property
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def study(self):
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return self._study
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@study.setter
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def study(self, study):
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self._study = study
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self._update_graph_title()
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def _update_graph_title(self):
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self._graph_title.setText(
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self._study.name if self._study is not None else ""
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)
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def update(self):
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river = self._study.river if self._study is not None else None
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view = None
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if river is not None and river is self._plot_river:
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axes = self.canvas.axes
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if axes.has_data():
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view = (axes.get_xlim(), axes.get_ylim(),
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axes.get_aspect(), axes.get_adjustable())
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self._update_graph_title()
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if (self._graph_widget is not None
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and (self._study is None
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or self._graph_widget.graph is not self._study.river)):
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self._graph_layout.removeWidget(self._graph_widget)
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self._graph_widget.deleteLater()
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self._graph_widget = None
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if self._study is not None and self._graph_widget is None:
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self._graph_widget = GraphWidget(
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self._study.river,
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parent=self,
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only_display=True,
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trad=self._trad,
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)
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self._graph_layout.addWidget(self._graph_widget, 1)
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elif self._graph_widget is not None:
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self._graph_widget.display_update()
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data = None
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geotiff = None
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if self._study is not None:
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data = self._study.river.enable_edges()
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geotiff = self._study.river.geotiff
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self.plot = PlotXY(
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canvas=self.canvas,
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data=data,
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geotiff=geotiff,
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trad=self._trad,
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toolbar=self.toolbar,
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parent=self
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)
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self.plot.update()
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self._plot_river = river
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if view is not None:
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x_limits, y_limits, aspect, adjustable = view
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self.canvas.axes.set_aspect(aspect, adjustable=adjustable)
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self.canvas.axes.set_xlim(x_limits)
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self.canvas.axes.set_ylim(y_limits)
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self.canvas.draw_idle()
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