def centerCoordinates(self):
        topLeft = QtCore.QPointF(self.horizontalScrollBar().value(), self.verticalScrollBar().value())
        topLeft += self.geometry().center()
        return topLeft
Returns a QPoint containing the scene location the center of this view 
dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_graphics_widgets.py/GraphicsViewWidget.centerCoordinates