def computeScale(self):
        self.currentScale = (math.log(self.matrix().m11(), 2.0)*
                             self.scaleRatio + self.scaleMax/2 +
                             self.scaleOffset)
computeScale() -> None
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/graphics_view.py/QInteractiveGraphicsView.computeScale