class MapExplorer(QMainWindow, Ui_MainWindow):
def __init__(self):
super(MapExplorer, self).__init__()
self.project = QgsProject()
self.band_synthesis_window = Band_Synthesis_Component()
self.kmeans_window = KMeans_Component()
self.meanshift_window = MeanShift_Component()
self.dbscan_window = DBScan_Component()
self.setupUi(self)
self.init_mapcanvas()
self.slot_connect()
self.init_layerTree()
self.style_stand()
def init_layerTree(self):
self.layer_tree_view = QgsLayerTreeView(self)
layout = QVBoxLayout(self.layerTreeWidget)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.layer_tree_view)
model = QgsLayerTreeModel(QgsProject.instance().layerTreeRoot(), self)
model.setFlag(QgsLayerTreeModel.AllowNodeRename)
model.setFlag(QgsLayerTreeModel.AllowNodeReorder)
model.setFlag(QgsLayerTreeModel.AllowNodeChangeVisibility)
model.setFlag(QgsLayerTreeModel.ShowLegendAsTree)
model.setAutoCollapseLegendNodes(10)
self.layer_tree_view.setModel(model)
provider = MenuProvider(self.layer_tree_view, self.mapCanvas,
self.project.instance())
self.layer_tree_view.setMenuProvider(provider)
# 注意self.layer_tree_bridge必须有
self.layer_tree_bridge = QgsLayerTreeMapCanvasBridge(
self.project.instance().layerTreeRoot(), self.mapCanvas)
def slot_connect(self):
self.actionopen_file.triggered.connect(self.action_open_triggered)
self.actionzoom_in.triggered.connect(self.action_zoomin_triggered)
self.actionzoom_out.triggered.connect(self.action_zoomout_triggered)
self.actionpan.triggered.connect(self.action_pan_triggered)
self.actionfull_extent.triggered.connect(
self.action_fullextent_triggered)
self.action_select.triggered.connect(self.action_select_triggered)
self.actionsave.triggered.connect(self.action_save_triggered)
self.mapdecoration.triggered.connect(self.mapDecoration_show)
self.actionAqua.triggered.connect(self.style_Aqua)
self.actionstand.triggered.connect(self.style_stand)
self.actionConsoleStule.triggered.connect(self.style_ConsoleStyle)
self.actionElegantDark.triggered.connect(self.style_ElegantDark)
self.actionManjaroMix.triggered.connect(self.style_ManjaroMix)
self.actionMaterialDark.triggered.connect(self.style_MaterialDark)
self.actionUbuntu.triggered.connect(self.style_Ubuntu)
self.action_KMeans.triggered.connect(self.action_KMeans_triggered)
self.action_DBScan.triggered.connect(self.action_DBScan_triggered)
self.action_MeanShift.triggered.connect(
self.action_Meanshift_triggered)
self.action_band_synthesis.triggered.connect(
self.action_band_synthesis_triggered)
self.kmeans_window.add_layer_signal.connect(
self.action_add_kmeans_result)
self.dbscan_window.add_layer_signal.connect(
self.action_add_dbscan_result)
self.meanshift_window.add_layer_signal.connect(
self.action_add_meanshift_result)
self.band_synthesis_window.add_layer_signal.connect(
self.action_add_band_synthesis_result)
def init_mapcanvas(self):
# 实例化地图画布
self.mapCanvas = QgsMapCanvas()
self.mapCanvas.xyCoordinates.connect(self.show_lonlat)
self.mapCanvas.setCanvasColor(QColor(60, 63, 65, 100))
# self.mapCanvas.show()
layout = QVBoxLayout(self.mapWidget)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.mapCanvas)
def loadMap(self, fullpath, classArray=None):
print(fullpath[-3:-1] + fullpath[-1])
imgClass = fullpath[-3:-1] + fullpath[-1]
basename = os.path.splitext(os.path.basename(fullpath))[0]
if imgClass == 'shp':
self.layer = QgsVectorLayer(fullpath, basename, "ogr")
else:
self.layer = QgsRasterLayer(fullpath, basename)
# 添加图例
if classArray:
self.node = QgsLayerTreeLayer(self.layer)
# self.classArray = [{'name':'class1','color':QColor(0,0,0)},{'name':'class1','color':QColor(0,255,0)}]
self.legend = CustomViewerLegend(classArray)
self.legend.createLayerTreeModelLegendNodes(self.node)
self.layer.setLegend(self.legend)
# 注册图层
self.project.instance().addMapLayer(self.layer)
self.mapCanvas.setLayers([self.layer])
# 设置图层范围
self.mapCanvas.setExtent(self.layer.extent())
self.mapCanvas.refresh()
self.layer_tree_view.setCurrentLayer(self.layer)
def action_open_triggered(self):
fullpath, format = QFileDialog.getOpenFileName(
self, '打开数据', '', '*.shp;;*.jpg;;*.png;;*.tif')
if os.path.exists(fullpath):
self.loadMap(fullpath)
def action_save_triggered(self):
fullpath, format = QFileDialog.getSaveFileName(self, '保存数据', '',
'*.tif')
if os.path.exists(fullpath):
self.mapCanvas.saveAsImage(fullpath)
def action_zoomin_triggered(self):
self.maptool = QgsMapToolZoom(self.mapCanvas, False)
self.mapCanvas.setMapTool(self.maptool)
def action_zoomout_triggered(self):
self.maptool = QgsMapToolZoom(self.mapCanvas, True)
self.mapCanvas.setMapTool(self.maptool)
def action_pan_triggered(self):
self.maptool = QgsMapToolPan(self.mapCanvas)
self.mapCanvas.setMapTool(self.maptool)
def action_fullextent_triggered(self):
self.mapCanvas.setExtent(self.layer.extent())
self.mapCanvas.refresh()
def action_select_triggered(self):
self.maptool = PolygonMapTool(self)
self.mapCanvas.setMapTool(self.maptool, True)
self.mapCanvas.refresh()
def mapDecoration_show(self):
self.mapdecoration_dia = layerOut(QgsProject.instance(),
self.qssStyleDia)
self.mapdecoration_dia.show()
# 显示鼠标点的经纬度信息
def show_lonlat(self, point):
x = point.x()
y = point.y()
self.statusbar.showMessage(f'经度:{x},纬度:{y}')
def style_stand(self):
styleFile = './QSS-master/style.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS('./QSS-master/ElegantDark.qss')
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_Aqua(self):
styleFile = './QSS-master/Aqua.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_ConsoleStyle(self):
styleFile = './QSS-master/ConsoleStyle.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_ElegantDark(self):
styleFile = './QSS-master/ElegantDark.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_ManjaroMix(self):
styleFile = './QSS-master/ManjaroMix.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_MaterialDark(self):
styleFile = './QSS-master/MaterialDark.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def style_Ubuntu(self):
styleFile = './QSS-master/Ubuntu.qss'
self.qssStyle = CommonHelper.readQSS(styleFile)
self.qssStyleDia = CommonHelper.readQSS(styleFile)
QMainWindow.setStyleSheet(self, self.qssStyle)
def action_band_synthesis_triggered(self):
self.band_synthesis_window.show()
def action_KMeans_triggered(self):
self.kmeans_window.show()
def action_DBScan_triggered(self):
self.dbscan_window.show()
def action_Meanshift_triggered(self):
self.meanshift_window.show()
def action_add_kmeans_result(self, kmeans_img_path, layer_legends):
self.loadMap(kmeans_img_path, layer_legends)
def action_add_dbscan_result(self, dbscan_img_path, layer_legends):
self.loadMap(dbscan_img_path, layer_legends)
def action_add_meanshift_result(self, meanshift_img_path, layer_legends):
self.loadMap(meanshift_img_path, layer_legends)
def action_add_band_synthesis_result(self, multiband_img_path):
self.loadMap(multiband_img_path)
