class_docstr: Interaction tab for slice visualization.
  
  Attributes
  ----------
  name : str
      Name of the tab.
class_docstr_tok: ["Interaction","tab","for","slice","visualization",".","Attributes","--","--","--","--","--","name",":","str","Name","of","the","tab","."]
code: def _change_intensity(self, slider):
      self._intensities.selected_value[0] = slider.left_disk_value
      self._intensities.selected_value[1] = slider.right_disk_value
      self._update_colormap()
  
imports: import warnings
  from functools import partial
  import numpy
  from dipy.utils.optpkg import optional_package
  from dipy.viz.horizon.tab import HorizonTab, build_label, build_slider, build_switcher, build_checkbox
label_desc: Use image node_id 3 for calling the SlicesTab obj's underlying member method code with example usage: obj._change_intensity(slider) without return types