def updateMin(self, minIndex=None):
        
        if not minIndex is None:
            self.minIndex = minIndex
            
        if (self.indexMode == True):
            minValue = self.minIndex + self.startIndex
        else:
            minValue = self.axisValues[self.minIndex]
            
        self.topLabel.setText(str(minValue))
        self.axisCombo.setMinValue(minValue)
Set min value, update the slider label and the comboBox line edit
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QSliderCombo.updateMin