def __init__(self, iface, toolBar):
# Save reference to the QGIS interface
self.iface = iface
self.canvas = self.iface.mapCanvas()
#self.lineLayer = None
self.selected_points = 0
self.side1_x = []
self.side1_y = []
self.side2_x = []
self.side2_y = []
self.point_list = []
#create action
self.median_digitizer = QtGui.QAction(
QtGui.QIcon(":/medianLine.png"),
QtCore.QCoreApplication.translate(
"digitizingtools",
"Digitize median line between adjacent polygons"),
self.iface.mainWindow())
self.median_digitizer.triggered.connect(self.run)
self.iface.currentLayerChanged.connect(self.enable)
toolBar.addAction(self.median_digitizer)
self.enable()
self.tool = DtMedianLineTool(self)
self.tool.finishedDigitizing.connect(self.digitizingFinished)
