code: private void linkToEmitter(String name, LinearInterpolator interpol) {
  		// put to value map
  		valueMap.put(name, interpol);
  
  		// now update the checkbox to represent the state of the given
  		// interpolator
  		boolean checked = interpol.isActive();
  		JCheckBox enableControl = (JCheckBox) valueNameToControl.get(name);
  		enableControl.setSelected(false);
  		if (checked)
  			enableControl.setSelected(checked);
  	}
docs: Link this set of controls to a linear interpolater within the particle emitter
  
  @param name The name of the article emitter being linked
  @param interpol The interpolator being configured