#!/usr/bin/env python # -*- coding: utf-8 -*- """ Step9 面板 - 分布图生成 """ import os import traceback from pathlib import Path from typing import List, Optional from PyQt5.QtCore import Qt, QThread, pyqtSignal from PyQt5.QtWidgets import ( QWidget, QVBoxLayout, QGroupBox, QFormLayout, QHBoxLayout, QLabel, QCheckBox, QPushButton, QLineEdit, QDoubleSpinBox, QRadioButton, QButtonGroup, QMessageBox, QFileDialog, ) from src.gui.components.custom_widgets import FileSelectWidget from src.gui.styles import ModernStylesheet # Pipeline 可用性（与 core/worker_thread.py 保持一致） try: from src.core.water_quality_inversion_pipeline_GUI import WaterQualityInversionPipeline PIPELINE_AVAILABLE = True except ImportError: PIPELINE_AVAILABLE = False class Step9BatchThread(QThread): """专题图：按文件夹内多个预测 CSV 批量生成分布图。""" finished_ok = pyqtSignal(int) failed = pyqtSignal(str) log_message = pyqtSignal(str, str) def __init__(self, work_dir: str, csv_paths: List[str], step9_kwargs: dict, output_dir_optional: Optional[str]): super().__init__() self.work_dir = work_dir self.csv_paths = csv_paths self.step9_kwargs = step9_kwargs self.output_dir_optional = (output_dir_optional or "").strip() or None def run(self): mpl_prev = None try: import matplotlib mpl_prev = matplotlib.get_backend() except Exception: pass try: import matplotlib.pyplot as plt plt.switch_backend("Agg") except Exception: mpl_prev = None try: from src.core.water_quality_inversion_pipeline_GUI import WaterQualityInversionPipeline pipeline = WaterQualityInversionPipeline(work_dir=self.work_dir) n = len(self.csv_paths) for i, csv_p in enumerate(self.csv_paths): self.log_message.emit(f"专题图 [{i + 1}/{n}] {csv_p}", "info") kw = {**self.step9_kwargs, "prediction_csv_path": csv_p, "skip_dependency_check": True} if self.output_dir_optional: stem = Path(csv_p).stem kw["output_image_path"] = str(Path(self.output_dir_optional) / f"{stem}_distribution.png") else: kw["output_image_path"] = None pipeline.step9_generate_distribution_map(**kw) self.finished_ok.emit(n) except Exception as e: self.failed.emit(f"{e}\n{traceback.format_exc()}") finally: if mpl_prev: try: import matplotlib.pyplot as plt plt.switch_backend(mpl_prev) except Exception: pass class Step9Panel(QWidget): """步骤9：分布图生成""" def __init__(self, parent=None): super().__init__(parent) self._batch_thread = None self.init_ui() def init_ui(self): layout = QVBoxLayout() hint = QLabel( "独立运行：可选「单个 CSV」或「文件夹批量」（扫描目录下所有 .csv）。" "完整流程中预测 CSV 由步骤11、12、13 自动传入，无需在此选择。" ) hint.setWordWrap(True) hint.setStyleSheet( f"color: {ModernStylesheet.COLORS.get('text_secondary', '#666')};" ) layout.addWidget(hint) mode_row = QHBoxLayout() self.mode_single_rb = QRadioButton("单个 CSV 文件") self.mode_folder_rb = QRadioButton("文件夹批量") self.mode_single_rb.setChecked(True) self._mode_group = QButtonGroup(self) self._mode_group.addButton(self.mode_single_rb, 0) self._mode_group.addButton(self.mode_folder_rb, 1) self.mode_single_rb.toggled.connect(self._on_step9_mode_changed) self.mode_folder_rb.toggled.connect(self._on_step9_mode_changed) mode_row.addWidget(self.mode_single_rb) mode_row.addWidget(self.mode_folder_rb) mode_row.addStretch() layout.addLayout(mode_row) self.prediction_csv_file = FileSelectWidget( "预测结果CSV:", "CSV Files (*.csv);;All Files (*.*)" ) layout.addWidget(self.prediction_csv_file) folder_row = QHBoxLayout() self.prediction_csv_dir_label = QLabel("预测CSV目录:") self.prediction_csv_dir_label.setMinimumWidth(120) self.prediction_csv_dir_edit = QLineEdit() self.prediction_csv_dir_edit.setPlaceholderText("选择含多个预测结果 CSV 的文件夹…") pred_dir_btn = QPushButton("浏览…") pred_dir_btn.setMaximumWidth(80) pred_dir_btn.clicked.connect(self.browse_prediction_csv_dir) folder_row.addWidget(self.prediction_csv_dir_label) folder_row.addWidget(self.prediction_csv_dir_edit, 1) folder_row.addWidget(pred_dir_btn) self._folder_row_widget = QWidget() self._folder_row_widget.setLayout(folder_row) layout.addWidget(self._folder_row_widget) self.recursive_csv_cb = QCheckBox("包含子文件夹（递归扫描 *.csv）") layout.addWidget(self.recursive_csv_cb) self.boundary_file = FileSelectWidget( "边界文件:", "Shapefiles (*.shp);;All Files (*.*)" ) layout.addWidget(self.boundary_file) # 参数设置 params_group = QGroupBox("生成参数") params_layout = QFormLayout() self.resolution = QDoubleSpinBox() self.resolution.setRange(1, 1000) self.resolution.setValue(30) params_layout.addRow("分辨率(米):", self.resolution) self.input_crs = QLineEdit() self.input_crs.setText("EPSG:32651") params_layout.addRow("输入坐标系:", self.input_crs) self.output_crs = QLineEdit() self.output_crs.setText("EPSG:4326") params_layout.addRow("输出坐标系:", self.output_crs) self.show_points = QCheckBox("显示采样点") params_layout.addRow("", self.show_points) self.use_diffusion = QCheckBox("启用距离扩散") self.use_diffusion.setChecked(True) params_layout.addRow("", self.use_diffusion) params_group.setLayout(params_layout) layout.addWidget(params_group) # 输出目录 self.output_dir = FileSelectWidget( "输出分布图目录:", "Directories;;All Files (*.*)" ) self.output_dir.line_edit.setPlaceholderText("留空→工作目录/14_visualization") self.output_dir.browse_btn.clicked.disconnect() self.output_dir.browse_btn.clicked.connect(self.browse_output_dir) layout.addWidget(self.output_dir) # 启用步骤 self.enable_checkbox = QCheckBox("启用此步骤") self.enable_checkbox.setChecked(True) layout.addWidget(self.enable_checkbox) # 独立运行按钮 self.run_button = QPushButton("独立运行此步骤") self.run_button.setStyleSheet(ModernStylesheet.get_button_stylesheet('success')) self.run_button.clicked.connect(self.run_step) layout.addWidget(self.run_button) layout.addStretch() self.setLayout(layout) self._on_step9_mode_changed() def _on_step9_mode_changed(self): folder_mode = self.mode_folder_rb.isChecked() self.prediction_csv_file.setEnabled(not folder_mode) self._folder_row_widget.setEnabled(folder_mode) self.recursive_csv_cb.setEnabled(folder_mode) def browse_prediction_csv_dir(self): d = QFileDialog.getExistingDirectory(self, "选择预测结果 CSV 所在文件夹") if d: self.prediction_csv_dir_edit.setText(d) def _collect_csv_paths_from_folder(self) -> List[str]: folder = (self.prediction_csv_dir_edit.text() or "").strip() if not folder or not os.path.isdir(folder): return [] root = Path(folder) if self.recursive_csv_cb.isChecked(): files = sorted(root.rglob("*.csv")) else: files = sorted(root.glob("*.csv")) return [str(p) for p in files if p.is_file()] def _step9_base_pipeline_kwargs(self) -> dict: return { 'boundary_shp_path': self.boundary_file.get_path(), 'resolution': self.resolution.value(), 'input_crs': self.input_crs.text(), 'output_crs': self.output_crs.text(), 'show_sample_points': self.show_points.isChecked(), 'use_distance_diffusion': self.use_diffusion.isChecked(), } def get_config(self): pred_csv = (self.prediction_csv_file.get_path() or "").strip() folder_mode = self.mode_folder_rb.isChecked() pred_dir = (self.prediction_csv_dir_edit.text() or "").strip() config = { 'step9_batch_mode': 'folder' if folder_mode else 'single', 'prediction_csv_dir': pred_dir if pred_dir else None, 'recursive_csv_scan': self.recursive_csv_cb.isChecked(), 'prediction_csv_path': None if folder_mode else (pred_csv if pred_csv else None), 'boundary_shp_path': self.boundary_file.get_path(), 'resolution': self.resolution.value(), 'input_crs': self.input_crs.text(), 'output_crs': self.output_crs.text(), 'show_sample_points': self.show_points.isChecked(), 'use_distance_diffusion': self.use_diffusion.isChecked(), } out_dir = (self.output_dir.get_path() or "").strip() if not folder_mode and pred_csv and out_dir: stem = Path(pred_csv).stem config['output_image_path'] = str(Path(out_dir) / f"{stem}_distribution.png") else: config['output_image_path'] = None return config def set_config(self, config): mode = config.get('step9_batch_mode', 'single') if mode == 'folder': self.mode_folder_rb.setChecked(True) else: self.mode_single_rb.setChecked(True) if config.get('prediction_csv_dir'): self.prediction_csv_dir_edit.setText(str(config['prediction_csv_dir'])) if 'recursive_csv_scan' in config: self.recursive_csv_cb.setChecked(bool(config['recursive_csv_scan'])) if 'prediction_csv_path' in config and config['prediction_csv_path']: self.prediction_csv_file.set_path(str(config['prediction_csv_path'])) if 'boundary_shp_path' in config: self.boundary_file.set_path(config['boundary_shp_path']) if 'resolution' in config: self.resolution.setValue(config['resolution']) if 'input_crs' in config: self.input_crs.setText(config['input_crs']) if 'output_crs' in config: self.output_crs.setText(config['output_crs']) if 'show_sample_points' in config: self.show_points.setChecked(config['show_sample_points']) if 'use_distance_diffusion' in config: self.use_diffusion.setChecked(config['use_distance_diffusion']) if 'output_dir' in config and config['output_dir']: self.output_dir.set_path(str(config['output_dir'])) elif config.get('output_image_path'): p = Path(str(config['output_image_path'])) if p.parent and str(p.parent) != '.': self.output_dir.set_path(str(p.parent)) def browse_output_dir(self): """浏览输出目录""" dir_path = QFileDialog.getExistingDirectory(self, "选择输出模型目录", "") if dir_path: self.output_dir.set_path(dir_path) def run_step(self): """独立运行步骤9""" if self._batch_thread and self._batch_thread.isRunning(): QMessageBox.information(self, "提示", "批量任务正在运行，请稍候。") return boundary_shp_path = self.boundary_file.get_path() if not boundary_shp_path: QMessageBox.warning(self, "输入验证失败", "请选择边界文件") return if not os.path.exists(boundary_shp_path): QMessageBox.warning(self, "输入验证失败", "边界文件不存在") return parent = self.parent() while parent and not hasattr(parent, 'run_single_step'): parent = parent.parent() if not parent or not hasattr(parent, 'run_single_step'): QMessageBox.critical(self, "错误", "无法找到父级GUI对象") return if self.mode_folder_rb.isChecked(): csv_list = self._collect_csv_paths_from_folder() if not csv_list: QMessageBox.warning( self, "输入验证失败", "所选文件夹中未找到 .csv 文件，或目录无效。\n" "可勾选「包含子文件夹」以递归扫描。", ) return if not PIPELINE_AVAILABLE: QMessageBox.critical(self, "错误", "Pipeline 模块不可用，无法批量生成专题图。") return work_dir = getattr(parent, "work_dir", None) or "./work_dir" work_dir = str(work_dir) base_kw = self._step9_base_pipeline_kwargs() out_dir_opt = (self.output_dir.get_path() or "").strip() or None self.run_button.setEnabled(False) self._batch_thread = Step9BatchThread(work_dir, csv_list, base_kw, out_dir_opt) main_win = parent def _batch_log(msg, lvl): if hasattr(main_win, "log_message"): main_win.log_message(msg, lvl) self._batch_thread.log_message.connect(_batch_log, Qt.QueuedConnection) self._batch_thread.finished_ok.connect(self._on_step9_batch_ok, Qt.QueuedConnection) self._batch_thread.failed.connect(self._on_step9_batch_fail, Qt.QueuedConnection) self._batch_thread.finished.connect(lambda: self.run_button.setEnabled(True), Qt.QueuedConnection) self._batch_thread.start() if hasattr(parent, "log_message"): parent.log_message(f"专题图批量：共 {len(csv_list)} 个 CSV，工作目录 {work_dir}", "info") return prediction_csv_path = (self.prediction_csv_file.get_path() or "").strip() if not prediction_csv_path: QMessageBox.warning( self, "输入验证失败", "请选择「预测结果 CSV」文件，或切换到「文件夹批量」。", ) return if not os.path.isfile(prediction_csv_path): QMessageBox.warning(self, "输入验证失败", "预测结果 CSV 不存在或不是文件") return config = self.get_config() parent.run_single_step('step9', {'step9': config}) def _on_step9_batch_ok(self, n: int): QMessageBox.information(self, "完成", f"已批量生成 {n} 个分布图。") parent = self.parent() while parent and not hasattr(parent, "log_message"): parent = parent.parent() if parent and hasattr(parent, "log_message"): parent.log_message(f"专题图批量完成，共 {n} 个文件。", "info") def _on_step9_batch_fail(self, err: str): QMessageBox.critical(self, "失败", f"批量生成中断：\n{err[:900]}") parent = self.parent() while parent and not hasattr(parent, "log_message"): parent = parent.parent() if parent and hasattr(parent, "log_message"): parent.log_message(err, "error")