def __init__(self):
QMainWindow.__init__(self)
self.layer = None
# Required by Qt4 to initialize the UI
self.setupUi(self)
#self.ui = Ui_MainWindow()
#self.ui.setupUi(self)
qDebug("trying to configure signals" )
QObject.connect(self.mBtnZoomIn, SIGNAL("clicked()"), self.zoomIn)
QObject.connect(self.mBtnZoomOut, SIGNAL("clicked()"), self.zoomOut)
QObject.connect(self.mBtnAddVector, SIGNAL("clicked()"), self.loadVectorLayer)
QObject.connect(self.mBtnAddRaster, SIGNAL("clicked()"), self.loadRasterLayer)
QObject.connect(self.mBtnSelection, SIGNAL("clicked()"), self.setSelectionTool)
QObject.connect(self.mBtnElevation, SIGNAL("clicked()"), self.getVerticesList)
# Set the title for the app
self.setWindowTitle("ShapeViewer")
# Create the map canvas
self.canvas = QgsMapCanvas()
self.canvas.useImageToRender(False)
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.show()
# Add map tools
self.selectTool = SelectMapTool(self.canvas)
self.demLayer = None
# Lay our widgets out in the main window using a
# vertical box layout
self.layout = QVBoxLayout(self.frame)
self.layout.addWidget(self.canvas)
def __init__(self):
QMainWindow.__init__(self)
self.layer = None
self.layers = []
# Required by Qt4 to initialize the UI
self.setupUi(self)
QObject.connect(self.mBtnZoomIn, SIGNAL("clicked()"), self.zoomIn)
QObject.connect(self.mBtnZoomOut, SIGNAL("clicked()"), self.zoomOut)
QObject.connect(self.mBtnAddVector, SIGNAL("clicked()"),
self.loadVectorLayer)
QObject.connect(self.mBtnAddRaster, SIGNAL("clicked()"),
self.loadRasterLayer)
QObject.connect(self.mBtnSelection, SIGNAL("clicked()"),
self.setSelectionTool)
self.mFieldComboBox.fieldChanged.connect(self.onFieldChanged)
# Set the title for the app
self.setWindowTitle("ShapeViewer")
# Create the map canvas
self.canvas = QgsMapCanvas()
self.canvas.useImageToRender(False)
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.show()
# from https://gis.stackexchange.com/questions/141516/adding-legend-to-canvas-in-standalone-pyqgis-application
self.root = QgsProject.instance().layerTreeRoot()
self.bridge = QgsLayerTreeMapCanvasBridge(self.root, self.canvas)
self.model = QgsLayerTreeModel(self.root)
self.model.setFlag(QgsLayerTreeModel.AllowNodeReorder)
self.model.setFlag(QgsLayerTreeModel.AllowNodeRename)
self.model.setFlag(QgsLayerTreeModel.AllowNodeChangeVisibility)
self.model.setFlag(QgsLayerTreeModel.ShowLegend)
self.view = QgsLayerTreeView()
self.view.setModel(self.model)
self.field = ""
self.legendQDockWidget.setWidget(self.view)
self.legendQDockWidget.setFloating(False)
self.legendQDockWidget.setFeatures(QDockWidget.NoDockWidgetFeatures)
self.legendQDockWidget.setTitleBarWidget(QWidget())
# Lay our widgets out in the main window using a
# vertical box layout
self.layout = QVBoxLayout(self.canvasFrame)
self.layout.addWidget(self.canvas)
# Add map tools
self.selectTool = SelectMapTool(self.canvas)
self.demLayer = None
#number of divisions for the legend
self.classes = 6
self.modes = {
"Equal Interval": QgsGraduatedSymbolRendererV2.EqualInterval,
"Quantile": QgsGraduatedSymbolRendererV2.Quantile,
"Natural Breaks (Jenks)": QgsGraduatedSymbolRendererV2.Jenks,
"Standard Deviation": QgsGraduatedSymbolRendererV2.StdDev,
"Pretty Breaks": QgsGraduatedSymbolRendererV2.Pretty
}
for mode in self.modes.keys():
self.modeComboBox.addItem(mode)
self.mode = self.modeComboBox.currentText()
self.modeComboBox.currentIndexChanged.connect(self.onModeChanged)
