def value(self, layer=None, view=None):
        v = self._slider.value() / 100. * self._ptp + self._min
        if self._isint:
            v = int(v)
        return v
Return the numerical value of the slider
dataset/ETHPy150Open glue-viz/glue/glue/viewers/custom/qt/custom_viewer.py/LabeledSlider.value