def mouseReleaseEvent(self, event):
     QGLViewer.mouseReleaseEvent(self, event)
 def mouseReleaseEvent(self,event):
     QGLViewer.mouseReleaseEvent(self,event)
 def mouseReleaseEvent(self, event):
     self.__oldX = None
     self.__oldY = None
     self.__scalingDirection = None
     QGLViewer.mouseReleaseEvent(self, event)
 def mouseReleaseEvent(self, event):
     self.__oldX = None
     self.__oldY = None
     self.__scalingDirection = None
     QGLViewer.mouseReleaseEvent(self, event)