/**
* Sets the set of times of all the profiles. The set will contain one or more times as double
* values, in order, from earliest to latest.
*
* @param times The times of all the profiles.
* @param source
* @throws VisADException if a VisAD failure occurs.
* @throws RemoteException if a Java RMI failure occurs.
*/
public void setTimes(SampledSet times, SoundingDataNode source)
throws VisADException, RemoteException {
RealType timeType = (RealType) ((SetType) times.getType()).getDomain().getComponent(0);
// use a LineDrawing because it's the simplest DisplayableData
if (timesHolder == null) {
timesHolder = new LineDrawing("times ref");
}
/*
* Add a data object to the display that has the right
* time-centers.
*/
Field dummy =
new FieldImpl(new FunctionType(timeType, AirTemperatureProfile.instance()), times);
for (int i = 0, n = times.getLength(); i < n; i++) {
dummy.setSample(i, AirTemperatureProfile.instance().missingData());
}
timesHolder.setData(dummy);
if (widget == null) {
if (times.getLength() == 1) {
DateTime time =
new DateTime(
new Real(
timeType, times.indexToDouble(new int[] {0})[0][0], times.getSetUnits()[0]));
widget = GuiUtils.wrap(new JLabel(time.toString()));
dataNode.setTime(time);
setSounding(0);
} else {
//
// Set the animation.
//
Animation animation = getInternalAnimation(timeType);
getSoundingView().setExternalAnimation(animation, getAnimationWidget());
aeroDisplay.addDisplayable(animation);
aeroDisplay.addDisplayable(timesHolder);
Container container = Box.createHorizontalBox();
// Wrap these components so they don't get stretched in the Y direction
container.add(GuiUtils.wrap(getAnimationWidget().getContents(false)));
// container.add(GuiUtils.wrap (animationWidget.getIndicatorComponent()));
widget = container;
}
}
}
/**
* Converts a time-series of grid-relative winds to a time-series of true (or absolute) winds. The
* U and V components of true wind are {@link WesterlyWind} and {@link SoutherlyWind},
* respectively. The domain of the input {@link visad.Field} must be a temporal {@link
* visad.Gridded1DSet} or a {@link visad.SingletonSet}. The range values of the input {@link
* visad.Field} must be {@link visad.FlatField}s. The domains of the range {@link
* visad.FlatField}s must have a manifold dimension of two or greater and they must have a
* reference system which contains {@link visad.RealType#Latitude} and {@link
* visad.RealType#Longitude}. The number of components in the range of the {@link
* visad.FlatField}s must be two. Both components must have units convertible with {@link
* #DEFAULT_SPEED_UNIT}. The first and second components are assumed to be the wind components in
* the direction of increasing first and second manifold dimension indexes, respectively. The
* domains of the {@link visad.FlatField}s must be equal. The {@link visad.Field} returned by this
* method has the same domain as the input {@link visad.Field}. The range values of the returned
* {@link visad.Field} are {@link visad.FlatField}s that have the same domain as the input {@link
* visad.FlatField}s. The {@link visad.MathType} of the range of the returned {@link
* visad.FlatField}s will be <code>CartesianHorizontalWind.getEarthVectorType()</code>.
*
* @param rel The time-series of grid-relative wind.
* @return The time-series of true wind corresponding to the input.
* @throws NullPointerException if <code>rel</code> is <code>null</code>.
* @throws IllegalArgumentException if the input field doesn't have a time-series domain, or if
* the range values aren't {@link visad.FlatField} with the same domain, or if the domain of
* the {@link visad.FlatField}s doesn't have a transformation to latitude and longitude, or if
* the domain is irregular or has too few points, or if the {@link visad.FlatField}s don't
* have two and only two components in their range, or if the default units of the {@link
* visad.FlatField}s range aren't equal.
* @throws VisADException if a VisAD failure occurs.
* @throws RemoteException if a Java RMI failure occurs.
* @see CartesianHorizontalWind
*/
public static Field timeSeriesCartesianHorizontalWind(Field rel)
throws VisADException, RemoteException {
FunctionType outerFuncType = (FunctionType) rel.getType();
RealTupleType outerDomType = outerFuncType.getDomain();
if (!(RealType.Time.equalsExceptNameButUnits(outerDomType)
|| !RealType.TimeInterval.equalsExceptNameButUnits(outerDomType))) {
throw new IllegalArgumentException(outerDomType.toString());
}
MathType innerFuncType = outerFuncType.getRange();
if (!(innerFuncType instanceof FunctionType)) {
throw new IllegalArgumentException(innerFuncType.toString());
}
Field innerField = (Field) rel.getSample(0);
Set innerDom = innerField.getDomainSet();
if (innerDom instanceof SingletonSet) {
return rel;
} else if (innerDom instanceof GriddedSet) {
int[] lengths = ((GriddedSet) innerDom).getLengths();
if ((lengths[0] == 1) && (lengths[1] == 1)) {
return rel;
}
}
// account for null units, assume m/sec
Unit[] rangeUnits = innerField.getDefaultRangeUnits();
if ((rangeUnits == null) || (rangeUnits[0] == null) || rangeUnits[0].isDimensionless()) {
rangeUnits = CartesianHorizontalWind.getEarthVectorType().getDefaultUnits();
}
FunctionType innerType =
new FunctionType(
((SetType) innerDom.getType()).getDomain(),
CartesianHorizontalWind.getEarthVectorType());
FlatField uvField =
new FlatField(innerType, innerDom, (CoordinateSystem) null, (Set[]) null, rangeUnits);
Field result =
new FieldImpl(new FunctionType(outerDomType, uvField.getType()), rel.getDomainSet());
// System.out.println("making rHatField");
Field rHatField = (doNewCode ? hatFieldNew(innerDom, 0) : hatFieldOld(innerDom, 0));
// System.out.println("making sHatField");
Field sHatField = (doNewCode ? hatFieldNew(innerDom, 1) : hatFieldOld(innerDom, 1));
float[][] rHats = rHatField.getFloats(false);
// ucar.unidata.util.Misc.printArray("rHats[0]", rHats[0]);
// ucar.unidata.util.Misc.printArray("rHats[1]", rHats[1]);
// System.out.println("\n");
float[][] sHats = sHatField.getFloats(false);
// ucar.unidata.util.Misc.printArray("sHats[0]", sHats[0]);
// ucar.unidata.util.Misc.printArray("sHats[1]", sHats[1]);
// System.out.println("\n");
float[] us = new float[innerDom.getLength()];
float[] vs = new float[us.length];
for (int i = 0, n = rel.getLength(); i < n; i++) {
if (i > 0) {
innerField = (Field) rel.getSample(i);
Set dom = innerField.getDomainSet();
if (!innerDom.equals(dom)) {
// System.out.println("new domain");
innerDom = dom;
rHatField = (doNewCode ? hatFieldNew(innerDom, 0) : hatFieldOld(innerDom, 0));
sHatField = (doNewCode ? hatFieldNew(innerDom, 1) : hatFieldOld(innerDom, 1));
rHats = rHatField.getFloats(false);
sHats = sHatField.getFloats(false);
/*
throw new IllegalArgumentException("template="
+ innerDom.toString() + "; domain="
+ dom.toString());
*/
}
uvField =
new FlatField(innerType, innerDom, (CoordinateSystem) null, (Set[]) null, rangeUnits);
us = new float[innerDom.getLength()];
vs = new float[us.length];
}
float[][] rsWinds = innerField.getFloats(false);
float[] rWinds = rsWinds[0];
float[] sWinds = rsWinds[1];
// ucar.unidata.util.Misc.printArray("rWinds", rWinds);
// System.out.println("\n");
// ucar.unidata.util.Misc.printArray("sWinds", sWinds);
// System.out.println("\n");
for (int j = 0; j < us.length; j++) {
us[j] = rWinds[j] * rHats[0][j] + sWinds[j] * sHats[0][j];
vs[j] = rWinds[j] * rHats[1][j] + sWinds[j] * sHats[1][j];
}
// ucar.unidata.util.Misc.printArray("us", us);
// System.out.println("\n");
// ucar.unidata.util.Misc.printArray("vs", vs);
// System.out.println("\n");
uvField.setSamples(new float[][] {us, vs}, false);
result.setSample(i, uvField, false);
}
return result;
}
/**
* run 'java visad.bom.ImageRendererJ3D len step' to test animation behavior of ImageRendererJ3D
* renders a loop of len at step ms per frame then updates loop by deleting first time and adding
* a new last time
*/
public static void main(String args[]) throws VisADException, RemoteException, IOException {
int step = 1000;
int len = 3;
if (args.length > 0) {
try {
len = Integer.parseInt(args[0]);
} catch (NumberFormatException e) {
len = 3;
}
}
if (len < 1) len = 1;
if (args.length > 1) {
try {
step = Integer.parseInt(args[1]);
} catch (NumberFormatException e) {
step = 1000;
}
}
if (step < 1) step = 1;
// create a netCDF reader
Plain plain = new Plain();
// open a netCDF file containing an image sequence and adapt
// it to a Field Data object
Field raw_image_sequence = null;
try {
// raw_image_sequence = (Field) plain.open("images256x256.nc");
raw_image_sequence = (Field) plain.open("images.nc");
} catch (IOException exc) {
String s =
"To run this example, the images.nc file must be "
+ "present in\nthe current directory."
+ "You can obtain this file from:\n"
+ " ftp://www.ssec.wisc.edu/pub/visad-2.0/images.nc.Z";
System.out.println(s);
System.exit(0);
}
// just take first half of raw_image_sequence
FunctionType image_sequence_type = (FunctionType) raw_image_sequence.getType();
Set raw_set = raw_image_sequence.getDomainSet();
float[][] raw_times = raw_set.getSamples();
int raw_len = raw_times[0].length;
if (raw_len != 4) {
throw new VisADException("wrong number of images in sequence");
}
float raw_span = (4.0f / 3.0f) * (raw_times[0][3] - raw_times[0][0]);
double[][] times = new double[1][len];
for (int i = 0; i < len; i++) {
times[0][i] = raw_times[0][i % raw_len] + raw_span * (i / raw_len);
}
Gridded1DDoubleSet set = new Gridded1DDoubleSet(raw_set.getType(), times, len);
Field image_sequence = new FieldImpl(image_sequence_type, set);
for (int i = 0; i < len; i++) {
image_sequence.setSample(i, raw_image_sequence.getSample(i % raw_len));
}
// create a DataReference for image sequence
final DataReference image_ref = new DataReferenceImpl("image");
image_ref.setData(image_sequence);
// create a Display using Java3D
DisplayImpl display = new DisplayImplJ3D("image display");
// extract the type of image and use
// it to determine how images are displayed
FunctionType image_type = (FunctionType) image_sequence_type.getRange();
RealTupleType domain_type = image_type.getDomain();
// map image coordinates to display coordinates
display.addMap(new ScalarMap((RealType) domain_type.getComponent(0), Display.XAxis));
display.addMap(new ScalarMap((RealType) domain_type.getComponent(1), Display.YAxis));
// map image brightness values to RGB (default is grey scale)
display.addMap(new ScalarMap((RealType) image_type.getRange(), Display.RGB));
RealType hour_type = (RealType) image_sequence_type.getDomain().getComponent(0);
ScalarMap animation_map = new ScalarMap(hour_type, Display.Animation);
display.addMap(animation_map);
AnimationControl animation_control = (AnimationControl) animation_map.getControl();
animation_control.setStep(step);
animation_control.setOn(true);
/*
// link the Display to image_ref
ImageRendererJ3D renderer = new ImageRendererJ3D();
display.addReferences(renderer, image_ref);
// display.addReference(image_ref);
*/
// create JFrame (i.e., a window) for display and slider
JFrame frame = new JFrame("ImageRendererJ3D test");
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
// create JPanel in JFrame
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.setAlignmentY(JPanel.TOP_ALIGNMENT);
panel.setAlignmentX(JPanel.LEFT_ALIGNMENT);
frame.getContentPane().add(panel);
// add display to JPanel
panel.add(display.getComponent());
// set size of JFrame and make it visible
frame.setSize(500, 500);
frame.setVisible(true);
System.out.println("first animation sequence");
// link the Display to image_ref
ImageRendererJ3D renderer = new ImageRendererJ3D();
display.addReferences(renderer, image_ref);
// display.addReference(image_ref);
// wait 4 * len seconds
new Delay(len * 4000);
// substitute a new image sequence for the old one
for (int i = 0; i < len; i++) {
times[0][i] = raw_times[0][(i + 1) % raw_len] + raw_span * ((i + 1) / raw_len);
}
set = new Gridded1DDoubleSet(raw_set.getType(), times, len);
FieldImpl new_image_sequence = new FieldImpl(image_sequence_type, set);
for (int i = 0; i < len; i++) {
new_image_sequence.setSample(i, raw_image_sequence.getSample((i + 1) % raw_len));
}
System.out.println("second animation sequence");
// tell renderer to resue frames in its scene graph
renderer.setReUseFrames(true);
image_ref.setData(new_image_sequence);
}