def __init__(self, gridlayer):
        QtGui.QDialog.__init__(self)
        # Set up the user interface from Designer.
        self.ui = Ui_LatLonGrid()
        self.ui.setupUi(self)

        self.gridlayer = gridlayer

        self.label_attributes = core.QgsLabelAttributes()

        self.symbol = core.QgsLineSymbolV2.createSimple({
            'width': '0',
            'color': '0,255,0'
        })