def __init__(self, canvas):
self.canvas = canvas
QgsMapToolEmitPoint.__init__(self, self.canvas)
self.rubberband = QgsRubberBand(self.canvas, QGis.Polygon)
self.point = None
self.points = []
attribs = ['id']
types = [QtCore.QVariant.String]
self.layer = uf.createTempLayer('Danger Zones', 'POLYGON', '28992',
attribs, types, 50)
self.symbols = self.layer.rendererV2().symbols()
self.symbol = self.symbols[0]
self.symbol.setColor(QColor.fromRgb(160, 160, 160))
def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# refernce to map canvas
self.canvas = self.iface.mapCanvas()
# out click tool will emit a QgsPoint on every click
self.clickTool = QgsMapToolEmitPoint(self.canvas)
def exit_dialog(self):
self.points.append(QgsPoint(self.points_end))
self.iface.mapCanvas().setMapTool(
QgsMapToolEmitPoint(self.iface.mapCanvas()))
self.edit = False
self.preview.exit_dialog(self.points, self.crs)
self.new()
self.view.show()
self.view.exec_()
def gera_tracado_vertices(self, p1, p2, crs):
self.crs = crs
self.points = [p1]
self.edit = True
self.points_end = p2
self.pointerEmitter = QgsMapToolEmitPoint(self.iface.mapCanvas())
QObject.connect(
self.pointerEmitter,
SIGNAL("canvasClicked(const QgsPoint,Qt::MouseButton)"),
self.get_click)
name_tracado = self.preview.gera_tracado_vertices(self.pointerEmitter)
self.preview.dialog.btnClose.clicked.connect(self.exit_dialog)
return name_tracado
text_format.setSize(12)
text_format.setBackground(background_color)
buffer_settings = QgsTextBufferSettings()
buffer_settings.setEnabled(True)
buffer_settings.setSize(0.10)
buffer_settings.setColor(QColor("black"))
text_format.setBuffer(buffer_settings)
layer_settings.setFormat(text_format)
layer_settings.fieldName = "name"
layer_settings.placement = 4
layer_settings.enabled = True
layer_settings = QgsVectorLayerSimpleLabeling(layer_settings)
point_layer.setLabelsEnabled(True)
point_layer.setLabeling(layer_settings)
#creating a window to display the map of Melbourne and the RMIT location
canvas = QgsMapCanvas()
canvas.setLayers([point_layer, base_layer])
canvas.setExtent(road_layer.extent())
canvas.show()
#setup click trigger to capture the clicked location and then call the shortest path calculator function
pointTool = QgsMapToolEmitPoint(canvas)
pointTool.canvasClicked.connect(my_shortest_path)
canvas.setMapTool(pointTool)
def __init__(self, parent=None):
"""Constructor."""
super(Evacu8DockWidget, self).__init__(parent)
# Set up the user interface from Designer.
# After setupUI you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
#define globals
self.iface = iface
self.canvas = self.iface.mapCanvas()
self.plugin_dir = os.path.dirname(__file__)
self.emitPoint = QgsMapToolEmitPoint(self.canvas)
self.toolPoly = PolyMapTool(self.canvas)
self.emitEvac = QgsMapToolEmitPoint(self.canvas)
self.emitShel = QgsMapToolEmitPoint(self.canvas)
self.emitDel = QgsMapToolEmitPoint(self.canvas)
self.input_template = self.scen_info.toHtml()
# set up GUI operation signals
# data
self.load_scen.clicked.connect(self.openScenario)
self.tabs.setTabEnabled(1, False)
self.set_pt.clicked.connect(self.enterPoi)
self.emitPoint.canvasClicked.connect(self.getPoint)
self.set_rad.clicked.connect(self.calculateBuffer)
self.set_rad.setEnabled(False)
self.send_notes.clicked.connect(self.sendNotes)
self.set_danger.clicked.connect(self.setDangerZone)
self.get_danger.clicked.connect(self.getDangerZone)
self.del_danger.clicked.connect(self.delDangerZone)
self.emitDel.canvasClicked.connect(self.get_del)
# set images and icons
self.logo.setPixmap(QtGui.QPixmap(':images/Logosmall.jpeg'))
self.load_scen.setIcon(QtGui.QIcon(':images/Open.png'))
self.load_scen.setIconSize(QSize(25, 25))
self.set_danger.setIcon(QtGui.QIcon(':images/Draw1.svg'))
self.set_danger.setIconSize(QSize(25, 25))
self.get_danger.setIcon(QtGui.QIcon(':images/Check.png'))
self.get_danger.setIconSize(QSize(25, 25))
self.del_danger.setIcon(QtGui.QIcon(':images/Delete.png'))
self.del_danger.setIconSize(QSize(30, 30))
self.shortestRouteButton.setIcon(QtGui.QIcon(':images/Route.png'))
self.shortestRouteButton.setIconSize(QSize(25, 25))
self.to_wiki1.setIcon(QtGui.QIcon(':images/Info.png'))
self.to_wiki1.setIconSize(QSize(20, 20))
# analysis
self.evac = QgsPoint()
self.evacId = int()
self.shel = QgsPoint()
self.shelId = int()
self.evac_layer = QgsVectorLayer()
self.evac_feat = QgsFeature()
self.shel_layer = QgsVectorLayer()
self.shel_feat = QgsFeature()
self.select_POI.clicked.connect(self.enterEvac)
self.emitEvac.canvasClicked.connect(self.getEvac)
self.desel_POI.clicked.connect(self.deleteEvac)
self.select_shelter.setEnabled(False)
self.select_shelter.clicked.connect(self.enterShel)
self.emitShel.canvasClicked.connect(self.getShel)
self.shortestRouteButton.setEnabled(False)
self.shortestRouteButton.clicked.connect(self.buildNetwork)
self.shortestRouteButton.clicked.connect(self.calculateRoute)
self.network_layer = QgsVectorLayer()
self.tied_points = []
self.to_evac_info.setVerticalHeaderLabels(
["Type", "Name", "Address", "Population", "Dist from Attack(m)"])
self.shelter_info.setVerticalHeaderLabels(
["Type", "Name", "Address", "Capacity", "Route distance (m)"])
# Open wiki
self.to_wiki1.clicked.connect(self.open_wiki)
self.big_button.clicked.connect(self.evacuateThis)
self.savelog.clicked.connect(self.saveLog)
self.big_button.setEnabled(False)
self.warning_msg.setVisible(False)
self.show_selected.clicked.connect(self.showSelected)
self.hide_selected.clicked.connect(self.hideSelected)
self.save_map.pressed.connect(self.showSelected)
self.save_map.released.connect(self.saveMap)
self.savelog.clicked.connect(self.timerMessage)
self.save_map.released.connect(self.timerMessage)
self.saved_msg.setVisible(False)
self.sent_msg.setVisible(False)