/**
* Respond to <code>ControlEvent</code>s.
*
* @param e <code>ControlEvent</code> to respond to
*/
protected void handleControlChanged(ControlEvent e) {
checkHistoryMatrix();
NavigatedDisplay navDisplay = getNavigatedDisplay();
if ((lastVerticalRangeUnit != null) && (lastVerticalRange != null)) {
if (!(Misc.equals(lastVerticalRangeUnit, navDisplay.getVerticalRangeUnit())
&& Arrays.equals(lastVerticalRange, navDisplay.getVerticalRange()))) {
verticalRangeChanged();
}
}
lastVerticalRangeUnit = navDisplay.getVerticalRangeUnit();
lastVerticalRange = navDisplay.getVerticalRange();
super.handleControlChanged(e);
}
/**
* Set the vertical range unit from the preference
*
* @param nd navigated display to set the unit on
* @throws RemoteException problem with remote display
* @throws VisADException problem with local display
*/
protected void setVerticalRangeUnitPreference(NavigatedDisplay nd)
throws VisADException, RemoteException {
Unit u = null;
try {
u =
ucar.visad.Util.parseUnit(
getIdv().getObjectStore().get(IdvConstants.PREF_VERTICALUNIT, "m"));
} catch (Exception exc) {
u = null;
}
if (u != null) {
double[] range = nd.getVerticalRange();
Unit defaultUnit = nd.getVerticalRangeUnit();
if (!u.equals(defaultUnit) && Unit.canConvert(u, defaultUnit)) {
range = u.toThis(range, defaultUnit);
nd.setVerticalRangeUnit(u);
nd.setVerticalRange(range[0], range[1]);
}
}
}