public void annihilate() {
try {
display.removeReference(selector);
display.removeReference(line);
} catch (Exception e) {
LogUtil.logException("DragLine.annihilate", e);
}
}
public void refreshDisplay() throws VisADException, RemoteException {
if (display == null) return;
synchronized (displayedThings) {
for (DataReference ref : displayedThings) {
display.removeReference(ref);
display.addReference(ref, colorMaps.get(ref));
}
}
}
public void reorderDataRefsById(final List<String> dataRefIds) {
if (dataRefIds == null) throw new NullPointerException("");
synchronized (displayedThings) {
try {
displayedThings.clear();
for (String refId : dataRefIds) {
DataReference ref = idToRef.get(refId);
ConstantMap[] color = colorMaps.get(ref);
display.removeReference(ref);
display.addReference(ref, color);
}
} catch (Exception e) {
}
}
}
public void removeRef(final DataReference thing) throws VisADException, RemoteException {
if (display == null) return;
synchronized (displayedThings) {
displayedThings.remove(thing);
colorMaps.remove(thing);
idToRef.remove(thing.getName());
display.removeReference(thing);
}
}
private void toggleDisplay(LocalDisplay dpy, boolean showFirstGIF) {
java.util.Vector v = dpy.getRenderers();
final int size = v.size();
if (size != 2) {
System.err.println("Expected 2 DataRenderers, but Display has " + size);
return;
}
((DataRenderer) v.get(0)).toggle(showFirstGIF);
((DataRenderer) v.get(1)).toggle(!showFirstGIF);
}
public DragLine(
final MultiSpectralDisplay msd,
final String controlId,
final ConstantMap[] color,
float[] YRANGE)
throws Exception {
if (msd == null)
throw new NullPointerException("must provide a non-null MultiSpectralDisplay");
if (controlId == null) throw new NullPointerException("must provide a non-null control ID");
if (color == null) throw new NullPointerException("must provide a non-null color");
this.controlId = controlId;
this.multiSpectralDisplay = msd;
this.YRANGE = YRANGE;
lastSelectedValue = multiSpectralDisplay.getWaveNumber();
for (int i = 0; i < color.length; i++) {
mappings[i] = (ConstantMap) color[i].clone();
}
mappings[4] = new ConstantMap(-0.5, Display.YAxis);
Gridded1DSet domain = multiSpectralDisplay.getDomainSet();
domainType = multiSpectralDisplay.getDomainType();
rangeType = multiSpectralDisplay.getRangeType();
tupleType = new RealTupleType(domainType, rangeType);
selector = new DataReferenceImpl(selectorId);
line = new DataReferenceImpl(lineId);
display = multiSpectralDisplay.getDisplay();
display.addReferences(
new GrabLineRendererJ3D(domain),
new DataReference[] {selector},
new ConstantMap[][] {mappings});
display.addReference(line, cloneMappedColor(color));
addReference(selector);
}
public RubberBandBox(final MultiSpectralDisplay msd, final ScalarMap x, final ScalarMap y)
throws VisADException, RemoteException {
RealType domainType = msd.getDomainType();
RealType rangeType = msd.getRangeType();
LocalDisplay display = msd.getDisplay();
rubberBand = new DataReferenceImpl(hashCode() + RBB);
rubberBand.setData(
new RealTuple(
new RealTupleType(domainType, rangeType), new double[] {Double.NaN, Double.NaN}));
display.addReferences(
new RubberBandBoxRendererJ3D(domainType, rangeType, 1, 1),
new DataReference[] {rubberBand},
null);
xmap = x;
ymap = y;
this.addReference(rubberBand);
}
public void addRef(final DataReference thing, final Color color)
throws VisADException, RemoteException {
if (display == null) return;
synchronized (displayedThings) {
ConstantMap[] colorMap = makeColorMap(color);
displayedThings.add(thing);
idToRef.put(thing.getName(), thing);
ConstantMap[] constMaps;
if (data.hasBandNames()) {
constMaps = new ConstantMap[colorMap.length + 2];
System.arraycopy(colorMap, 0, constMaps, 0, colorMap.length);
constMaps[colorMap.length] = new ConstantMap(1f, Display.PointMode);
constMaps[colorMap.length + 1] = new ConstantMap(5f, Display.PointSize);
} else {
constMaps = colorMap;
}
colorMaps.put(thing, constMaps);
display.addReference(thing, constMaps);
}
}
public void displayChanged(final DisplayEvent e) throws VisADException, RemoteException {
// TODO: write a method like isChannelUpdate(EVENT_ID)? or maybe just
// deal with a super long if-statement and put an "OR MOUSE_RELEASED"
// up here?
if (e.getId() == DisplayEvent.MOUSE_RELEASED_CENTER) {
float val = (float) display.getDisplayRenderer().getDirectAxisValue(domainType);
setWaveNumber(val);
if (displayControl != null) displayControl.handleChannelChange(val);
} else if (e.getId() == DisplayEvent.MOUSE_PRESSED_LEFT) {
if (e.getInputEvent().isControlDown()) {
xmap.setRange(initialRangeX[0], initialRangeX[1]);
ymap.setRange(initialRangeY[0], initialRangeY[1]);
}
} else if (e.getId() == DisplayEvent.MOUSE_RELEASED) {
float val = getSelectorValue(channelSelector);
if (val != waveNumber) {
// TODO: setWaveNumber needs to be rethought, as it calls
// setSelectorValue which is redundant in the cases of dragging
// or clicking
setWaveNumber(val);
if (displayControl != null) displayControl.handleChannelChange(val);
}
}
}
public float getSelectedValue() {
float val = (float) display.getDisplayRenderer().getDirectAxisValue(domainType);
if (Float.isNaN(val)) val = lastSelectedValue;
return val;
}
private void init() throws VisADException, RemoteException {
HydraDataSource source = (HydraDataSource) dataChoice.getDataSource();
// TODO revisit this, may want to move method up to base class HydraDataSource
if (source instanceof SuomiNPPDataSource) {
data = ((SuomiNPPDataSource) source).getMultiSpectralData(dataChoice);
}
if (source instanceof MultiSpectralDataSource) {
data = ((MultiSpectralDataSource) source).getMultiSpectralData(dataChoice);
}
waveNumber = data.init_wavenumber;
try {
spectrum = data.getSpectrum(new int[] {1, 1});
} catch (Exception e) {
LogUtil.logException("MultiSpectralDisplay.init", e);
}
domainSet = (Gridded1DSet) spectrum.getDomainSet();
initialRangeX = getXRange(domainSet);
initialRangeY = data.getDataRange();
domainType = getDomainType(spectrum);
rangeType = getRangeType(spectrum);
master = new XYDisplay(DISP_NAME, domainType, rangeType);
setDisplayMasterAttributes(master);
// set up the x- and y-axis
xmap = new ScalarMap(domainType, Display.XAxis);
ymap = new ScalarMap(rangeType, Display.YAxis);
xmap.setRange(initialRangeX[0], initialRangeX[1]);
ymap.setRange(initialRangeY[0], initialRangeY[1]);
display = master.getDisplay();
display.addMap(xmap);
display.addMap(ymap);
display.addDisplayListener(this);
new RubberBandBox(this, xmap, ymap);
if (displayControl == null) { // - add in a ref for the default spectrum, ie no DisplayControl
DataReferenceImpl spectrumRef = new DataReferenceImpl(hashCode() + "_spectrumRef");
spectrumRef.setData(spectrum);
addRef(spectrumRef, Color.WHITE);
}
if (data.hasBandNames()) {
bandSelectComboBox = new JComboBox(data.getBandNames().toArray());
bandSelectComboBox.setSelectedItem(data.init_bandName);
bandSelectComboBox.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
String bandName = (String) bandSelectComboBox.getSelectedItem();
if (bandName == null) return;
HashMap<String, Float> bandMap = data.getBandNameMap();
if (bandMap == null) return;
if (!bandMap.containsKey(bandName)) return;
setWaveNumber(bandMap.get(bandName));
}
});
}
}