public void doAction() throws VisADException, RemoteException {
if (!init) {
init = true;
return;
}
Gridded2DSet set = (Gridded2DSet) rubberBand.getData();
float[] low = set.getLow();
float[] high = set.getHi();
xmap.setRange(low[0], high[0]);
ymap.setRange(low[1], high[1]);
}
/** ensure that non-Manual components of flow_tuple have equal dataRanges symmetric about 0.0 */
public static void equalizeFlow(Vector mapVector, DisplayTupleType flow_tuple)
throws VisADException, RemoteException {
double[] range = new double[2];
double low = Double.MAX_VALUE;
double hi = -Double.MAX_VALUE;
boolean anyAuto = false;
Enumeration maps = mapVector.elements();
while (maps.hasMoreElements()) {
ScalarMap map = ((ScalarMap) maps.nextElement());
DisplayRealType dtype = map.getDisplayScalar();
DisplayTupleType tuple = dtype.getTuple();
if (flow_tuple.equals(tuple) && !map.isManual && !map.badRange()) {
anyAuto = true;
low = Math.min(low, map.dataRange[0]);
hi = Math.max(hi, map.dataRange[1]);
}
}
if (!anyAuto) return;
hi = Math.max(hi, -low);
low = -hi;
maps = mapVector.elements();
while (maps.hasMoreElements()) {
ScalarMap map = ((ScalarMap) maps.nextElement());
DisplayRealType dtype = map.getDisplayScalar();
DisplayTupleType tuple = dtype.getTuple();
if (flow_tuple.equals(tuple) && !map.isManual && !map.badRange()) {
map.setRange(null, low, hi, false);
}
}
}
/**
* Initialize the color maps
*
* @throws RemoteException On badness
* @throws VisADException On badness
*/
private void initColorMaps() throws VisADException, RemoteException {
setupTypes();
if (doColors) {
ScalarMap rmap = new ScalarMap(front_red, Display.Red);
rmap.setRange(0.0, 1.0);
ScalarMap gmap = new ScalarMap(front_green, Display.Green);
gmap.setRange(0.0, 1.0);
ScalarMap bmap = new ScalarMap(front_blue, Display.Blue);
bmap.setRange(0.0, 1.0);
ScalarMapSet maps = getScalarMapSet(); // new ScalarMapSet();
maps.add(rmap);
maps.add(bmap);
maps.add(gmap);
setScalarMapSet(maps);
}
}
/**
* explicitly set the range of data (RealType) values according to Unit conversion between this
* ScalarMap's RealType and DisplayRealType (both must have Units and they must be convertable; if
* neither this nor setRange is invoked, then the range will be computed from the initial values
* of Data objects linked to the Display by autoscaling logic.
*
* @throws VisADException VisAD error
* @throws RemoteException Java RMI error
*/
public void setRangeByUnits() throws VisADException, RemoteException {
isManual = true;
setRange(null, 0.0, 0.0, true);
if (scale == scale && offset == offset) {
incTick(); // did work, so wake up Display
} else {
isManual = false; // didn't work, so don't lock out auto-scaling
}
}
/**
* explicitly set the range of data (RealType) values; used for linear map from Scalar to
* DisplayScalar values; if neither this nor setRangeByUnits is invoked, then the range will be
* computed from the initial values of Data objects linked to the Display by autoscaling logic; if
* the range of data values is (0.0, 1.0), for example, this method may be invoked with low = 1.0
* and hi = 0.0 to invert the display scale .
*
* @param low lower range value (see notes above)
* @param hi upper range value (see notes above)
* @param remoteId id of remote scale
* @throws VisADException VisAD error
* @throws RemoteException Java RMI error
*/
public void setRange(double low, double hi, int remoteId) throws VisADException, RemoteException {
if (DisplayScalar.equals(Display.Animation)) {
System.err.println("Warning: setRange on " + "ScalarMap to Display.Animation has no effect.");
return;
}
isManual = true;
setRange(null, low, hi, false, remoteId);
if (scale == scale && offset == offset) {
incTick(); // did work, so wake up Display
} else {
isManual = false; // didn't work, so don't lock out auto-scaling
}
}
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);
}
}
}
/**
* prepare for transforming Data into scene graph depictions, including possible auto-scaling of
* ScalarMaps
*
* @param temp Vector of DataRenderers
* @param tmap Vector of ScalarMaps
* @param go flag indicating whether Data transforms are requested
* @param initialize flag indicating whether auto-scaling is requested
* @throws VisADException a VisAD error occurred
* @throws RemoteException an RMI error occurred
*/
public void prepareAction(Vector temp, Vector tmap, boolean go, boolean initialize)
throws VisADException, RemoteException {
DataShadow shadow = null;
Enumeration renderers = temp.elements();
while (renderers.hasMoreElements()) {
DataRenderer renderer = (DataRenderer) renderers.nextElement();
shadow = renderer.prepareAction(go, initialize, shadow);
}
if (shadow != null) {
// apply RealType ranges and animationSampling
Enumeration maps = tmap.elements();
while (maps.hasMoreElements()) {
ScalarMap map = ((ScalarMap) maps.nextElement());
map.setRange(shadow);
}
}
ScalarMap.equalizeFlow(tmap, Display.DisplayFlow1Tuple);
ScalarMap.equalizeFlow(tmap, Display.DisplayFlow2Tuple);
}
/**
* Construct a satellite display using the specified McIDAS map file, image source. The image can
* be displayed on a 3D globe or on a flat rectillinear projection.
*
* @param mapFile location of the McIDAS map file (path or URL)
* @param imageSource location of the image source (path or URL)
* @param display3D if true, use 3D display, otherwise flat rectillinear
* @param remap remap the image into a domain over North America
*/
public SatDisplay(String mapFile, String imageSource, boolean display3D, boolean remap) {
try {
// Read in the map file
BaseMapAdapter baseMapAdapter;
if (mapFile.indexOf("://") > 0) // URL specified
{
baseMapAdapter = new BaseMapAdapter(new URL(mapFile));
} else // local disk file
{
baseMapAdapter = new BaseMapAdapter(mapFile);
}
// Create the display and set up the scalar maps to map
// data to the display
ScalarMap latMap; // latitude -> YAxis
ScalarMap lonMap; // longitude -> XAxis
if (display3D) {
display = new DisplayImplJ3D("display");
latMap = new ScalarMap(RealType.Latitude, Display.Latitude);
lonMap = new ScalarMap(RealType.Longitude, Display.Longitude);
} else {
display = new DisplayImplJ3D("display", new TwoDDisplayRendererJ3D());
latMap = new ScalarMap(RealType.Latitude, Display.YAxis);
lonMap = new ScalarMap(RealType.Longitude, Display.XAxis);
}
display.addMap(latMap);
display.addMap(lonMap);
// set the display to a global scale
latMap.setRange(-90.0, 90.0);
lonMap.setRange(-180.0, 180.0);
// create a reference for the map line
DataReference maplinesRef = new DataReferenceImpl("MapLines");
maplinesRef.setData(baseMapAdapter.getData());
// set the attributes of the map lines (color, location)
ConstantMap[] maplinesConstantMap = new ConstantMap[4];
maplinesConstantMap[0] = new ConstantMap(0., Display.Blue);
maplinesConstantMap[1] = new ConstantMap(1., Display.Red);
maplinesConstantMap[2] = new ConstantMap(0., Display.Green);
maplinesConstantMap[3] = new ConstantMap(1.001, Display.Radius); // just above the image
// read in the image
AreaAdapter areaAdapter = new AreaAdapter(imageSource);
FlatField image = areaAdapter.getData();
// Extract the metadata from the image
FunctionType imageFunctionType = (FunctionType) image.getType();
RealTupleType imageDomainType = imageFunctionType.getDomain();
RealTupleType imageRangeType = (RealTupleType) imageFunctionType.getRange();
// remap and resample the image
if (remap) {
int SIZE = 256;
RealTupleType latlonType =
((CoordinateSystem) imageDomainType.getCoordinateSystem()).getReference();
Linear2DSet remapDomainSet =
new Linear2DSet(latlonType, -4.0, 70.0, SIZE, -150.0, 5.0, SIZE);
image = (FlatField) image.resample(remapDomainSet, Data.NEAREST_NEIGHBOR, Data.NO_ERRORS);
}
// select which band to show...
ScalarMap rgbMap = new ScalarMap((RealType) imageRangeType.getComponent(0), Display.RGB);
display.addMap(rgbMap);
// set the enhancement to a grey scale
ColorControl colorControl = (ColorControl) rgbMap.getControl();
colorControl.initGreyWedge();
// create a data reference for the image
DataReferenceImpl imageRef = new DataReferenceImpl("ImageRef");
imageRef.setData(image);
// add the data references to the display
display.disableAction();
drmap = new DefaultRendererJ3D();
drimage = new DefaultRendererJ3D();
drmap.toggle(false);
drimage.toggle(false);
display.addDisplayListener(this);
display.addReferences(drmap, maplinesRef, maplinesConstantMap);
display.addReferences(drimage, imageRef, null);
display.enableAction();
} catch (Exception ne) {
ne.printStackTrace();
System.exit(1);
}
}
/** set range used for linear map from Scalar to DisplayScalar values */
private synchronized void setRange(DataShadow shadow, double low, double hi, boolean unit_flag)
throws VisADException, RemoteException {
setRange(shadow, low, hi, unit_flag, VisADEvent.LOCAL_SOURCE);
}
/**
* set range used for linear map from Scalar to DisplayScalar values; this is the call for
* automatic scaling
*/
public void setRange(DataShadow shadow) throws VisADException, RemoteException {
if (!isManual) setRange(shadow, 0.0, 0.0, false, VisADEvent.LOCAL_SOURCE);
}
/**
* Explicitly sets the range of {@link RealType} data values that is mapped to the natural range
* of {@link DisplayRealType} display values. This method is used to define a linear map from
* Scalar to DisplayScalar values. If neither this nor {@link #setRangeByUnits()} is invoked, then
* the range will be computed by autoscaling logic from the initial values of Data objects linked
* to the Display. If the range of data values is (0.0, 1.0), for example, this method may be
* invoked with low = 1.0 and hi = 0.0 to invert the display scale.
*
* @param low One end of the range of applicable data.
* @param hi The other end of the range of applicable data.
* @throws VisADException VisAD failure.
* @throws RemoteException Java RMI failure.
*/
public void setRange(double low, double hi) throws VisADException, RemoteException {
setRange(low, hi, VisADEvent.LOCAL_SOURCE);
}
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));
}
});
}
}
/** test BarbManipulationRendererJ3D */
public static void main(String args[]) throws VisADException, RemoteException {
System.out.println("BMR.main()");
// construct RealTypes for wind record components
RealType lat = RealType.Latitude;
RealType lon = RealType.Longitude;
RealType windx = RealType.getRealType("windx", CommonUnit.meterPerSecond);
RealType windy = RealType.getRealType("windy", CommonUnit.meterPerSecond);
RealType red = RealType.getRealType("red");
RealType green = RealType.getRealType("green");
// EarthVectorType extends RealTupleType and says that its
// components are vectors in m/s with components parallel
// to Longitude (positive east) and Latitude (positive north)
EarthVectorType windxy = new EarthVectorType(windx, windy);
RealType wind_dir = RealType.getRealType("wind_dir", CommonUnit.degree);
RealType wind_speed = RealType.getRealType("wind_speed", CommonUnit.meterPerSecond);
RealTupleType windds = null;
if (args.length > 0) {
System.out.println("polar winds");
windds =
new RealTupleType(
new RealType[] {wind_dir, wind_speed}, new WindPolarCoordinateSystem(windxy), null);
}
// construct Java3D display and mappings that govern
// how wind records are displayed
DisplayImpl display = new DisplayImplJ3D("display1", new TwoDDisplayRendererJ3D());
ScalarMap lonmap = new ScalarMap(lon, Display.XAxis);
display.addMap(lonmap);
ScalarMap latmap = new ScalarMap(lat, Display.YAxis);
display.addMap(latmap);
FlowControl flow_control;
if (args.length > 0) {
ScalarMap winds_map = new ScalarMap(wind_speed, Display.Flow1Radial);
display.addMap(winds_map);
winds_map.setRange(0.0, 1.0); // do this for barb rendering
ScalarMap windd_map = new ScalarMap(wind_dir, Display.Flow1Azimuth);
display.addMap(windd_map);
windd_map.setRange(0.0, 360.0); // do this for barb rendering
flow_control = (FlowControl) windd_map.getControl();
flow_control.setFlowScale(0.15f); // this controls size of barbs
} else {
ScalarMap windx_map = new ScalarMap(windx, Display.Flow1X);
display.addMap(windx_map);
windx_map.setRange(-1.0, 1.0); // do this for barb rendering
ScalarMap windy_map = new ScalarMap(windy, Display.Flow1Y);
display.addMap(windy_map);
windy_map.setRange(-1.0, 1.0); // do this for barb rendering
flow_control = (FlowControl) windy_map.getControl();
flow_control.setFlowScale(0.15f); // this controls size of barbs
}
display.addMap(new ScalarMap(red, Display.Red));
display.addMap(new ScalarMap(green, Display.Green));
display.addMap(new ConstantMap(1.0, Display.Blue));
DataReferenceImpl[] refs = new DataReferenceImpl[N * N];
int k = 0;
// create an array of N by N winds
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
double u = 2.0 * i / (N - 1.0) - 1.0;
double v = 2.0 * j / (N - 1.0) - 1.0;
// each wind record is a Tuple (lon, lat, (windx, windy), red, green)
// set colors by wind components, just for grins
Tuple tuple;
double fx = 30.0 * u;
double fy = 30.0 * v;
if (args.length > 0) {
double fd = Data.RADIANS_TO_DEGREES * Math.atan2(-fx, -fy);
double fs = Math.sqrt(fx * fx + fy * fy);
tuple =
new Tuple(
new Data[] {
new Real(lon, 10.0 * u),
new Real(lat, 10.0 * v - 40.0),
new RealTuple(windds, new double[] {fd, fs}),
new Real(red, u),
new Real(green, v)
});
} else {
tuple =
new Tuple(
new Data[] {
new Real(lon, 10.0 * u),
new Real(lat, 10.0 * v - 40.0),
new RealTuple(windxy, new double[] {fx, fy}),
new Real(red, u),
new Real(green, v)
});
}
// construct reference for wind record
refs[k] = new DataReferenceImpl("ref_" + k);
refs[k].setData(tuple);
// link wind record to display via BarbManipulationRendererJ3D
// so user can change barb by dragging it
// drag with right mouse button and shift to change direction
// drag with right mouse button and no shift to change speed
BarbManipulationRendererJ3D renderer = new BarbManipulationRendererJ3D();
renderer.setKnotsConvert(true);
display.addReferences(renderer, refs[k]);
// link wind record to a CellImpl that will listen for changes
// and print them
WindGetterJ3D cell = new WindGetterJ3D(flow_control, refs[k]);
cell.addReference(refs[k]);
k++;
}
}
// instead of linking the wind record "DataReferenceImpl refs" to
// the WindGetterJ3Ds, you can have some user interface event (e.g.,
// the user clicks on "DONE") trigger code that does a getData() on
// all the refs and stores the records in a file.
// create JFrame (i.e., a window) for display and slider
JFrame frame = new JFrame("test BarbManipulationRendererJ3D");
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);
}
/**
* run 'java FlowTest middle_latitude' to test with (lat, lon) run 'java FlowTest middle_latitude
* x' to test with (lon, lat) adjust middle_latitude for south or north
*/
public static void main(String args[]) throws VisADException, RemoteException {
double mid_lat = -10.0;
if (args.length > 0) {
try {
mid_lat = Double.valueOf(args[0]).doubleValue();
} catch (NumberFormatException e) {
}
}
boolean swap = (args.length > 1);
RealType lat = RealType.Latitude;
RealType lon = RealType.Longitude;
RealType[] types;
if (swap) {
types = new RealType[] {lon, lat};
} else {
types = new RealType[] {lat, lon};
}
RealTupleType earth_location = new RealTupleType(types);
System.out.println("earth_location = " + earth_location + " mid_lat = " + mid_lat);
RealType flowx = RealType.getRealType("flowx", CommonUnit.meterPerSecond);
RealType flowy = RealType.getRealType("flowy", CommonUnit.meterPerSecond);
RealType red = RealType.getRealType("red");
RealType green = RealType.getRealType("green");
EarthVectorType flowxy = new EarthVectorType(flowx, flowy);
TupleType range = null;
range = new TupleType(new MathType[] {flowxy, red, green});
FunctionType flow_field = new FunctionType(earth_location, range);
DisplayImpl display = new DisplayImplJ3D("display1", new TwoDDisplayRendererJ3D());
ScalarMap xmap = new ScalarMap(lon, Display.XAxis);
display.addMap(xmap);
ScalarMap ymap = new ScalarMap(lat, Display.YAxis);
display.addMap(ymap);
ScalarMap flowx_map = new ScalarMap(flowx, Display.Flow1X);
display.addMap(flowx_map);
flowx_map.setRange(-10.0, 10.0);
ScalarMap flowy_map = new ScalarMap(flowy, Display.Flow1Y);
display.addMap(flowy_map);
flowy_map.setRange(-10.0, 10.0);
FlowControl flow_control = (FlowControl) flowy_map.getControl();
flow_control.setFlowScale(0.05f);
display.addMap(new ScalarMap(red, Display.Red));
display.addMap(new ScalarMap(green, Display.Green));
display.addMap(new ConstantMap(1.0, Display.Blue));
double lonlow = -10.0;
double lonhi = 10.0;
double latlow = mid_lat - 10.0;
double lathi = mid_lat + 10.0;
Linear2DSet set;
if (swap) {
set = new Linear2DSet(earth_location, lonlow, lonhi, N, latlow, lathi, N);
} else {
set = new Linear2DSet(earth_location, latlow, lathi, N, lonlow, lonhi, N);
}
double[][] values = new double[4][N * N];
int m = 0;
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
int k = i;
int l = j;
if (swap) {
k = j;
l = i;
}
double u = (N - 1.0) / 2.0 - l;
double v = k - (N - 1.0) / 2.0;
// double u = 2.0 * k / (N - 1.0) - 1.0;
// double v = 2.0 * l / (N - 1.0);
double fx = 6.0 * u;
double fy = 6.0 * v;
values[0][m] = fx;
values[1][m] = fy;
values[2][m] = u;
values[3][m] = v;
m++;
}
}
FlatField field = new FlatField(flow_field, set);
field.setSamples(values);
DataReferenceImpl ref = new DataReferenceImpl("ref");
ref.setData(field);
display.addReference(ref);
// create JFrame (i.e., a window) for display and slider
JFrame frame = new JFrame("test FlowTest");
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);
}
