/**
* Set <CODE>Vector</CODE> of <CODE>String</CODE>s describing the cursor location from the cursor
* location; this is invoked when the cursor location changes or the cursor display status changes
*/
public void setCursorStringVector() {
synchronized (cursorStringVector) {
cursorStringVector.removeAllElements();
float[][] cursor = new float[3][1];
double[] cur = getCursor();
cursor[0][0] = (float) cur[0];
cursor[1][0] = (float) cur[1];
cursor[2][0] = (float) cur[2];
Enumeration maps = display.getMapVector().elements();
while (maps.hasMoreElements()) {
try {
ScalarMap map = (ScalarMap) maps.nextElement();
DisplayRealType dreal = map.getDisplayScalar();
DisplayTupleType tuple = dreal.getTuple();
int index = dreal.getTupleIndex();
if (tuple != null
&& (tuple.equals(Display.DisplaySpatialCartesianTuple)
|| (tuple.getCoordinateSystem() != null
&& tuple
.getCoordinateSystem()
.getReference()
.equals(Display.DisplaySpatialCartesianTuple)))) {
float[] fval = new float[1];
if (tuple.equals(Display.DisplaySpatialCartesianTuple)) {
fval[0] = cursor[index][0];
} else {
float[][] new_cursor = tuple.getCoordinateSystem().fromReference(cursor);
fval[0] = new_cursor[index][0];
}
float[] dval = map.inverseScaleValues(fval);
RealType real = (RealType) map.getScalar();
// WLH 31 Aug 2000
Real r = new Real(real, dval[0]);
Unit overrideUnit = map.getOverrideUnit();
Unit rtunit = real.getDefaultUnit();
// units not part of Time string
// DRM 2003-08-19: don't check for equality since toString
// may be different
if (overrideUnit != null
&& // !overrideUnit.equals(rtunit) &&
(!Unit.canConvert(rtunit, CommonUnit.secondsSinceTheEpoch)
|| rtunit.getAbsoluteUnit().equals(rtunit))) {
dval[0] = (float) overrideUnit.toThis((double) dval[0], rtunit);
r = new Real(real, dval[0], overrideUnit);
}
String valueString = r.toValueString();
// WLH 27 Oct 2000
String s = map.getScalarName() + " = " + valueString;
// String s = real.getName() + " = " + valueString;
cursorStringVector.addElement(s);
} // end if (tuple != null && ...)
} catch (VisADException e) {
}
} // end while(maps.hasMoreElements())
} // end synchronized (cursorStringVector)
render_trigger();
}
/**
* Compares this ScalarMap with another ScalarMap. The ScalarType-s are first compared; if they
* compare equal, then the DisplayRealType-s are compared.
*
* @param that The other ScalarMap.
* @return A value that is negative, zero, or positive depending on whether this ScalarMap is
* considered less than, equal to, or greater than the other ScalarMap, respectively.
*/
protected int compareTo(ScalarMap that) {
int comp = getScalar().compareTo(that.getScalar());
if (comp == 0) comp = getDisplayScalar().compareTo(that.getDisplayScalar());
return comp;
}