/** evaluate implicit function syntax; e.g., A1(5) or A1(A2) */
public static Data implicit(Function f, Real r) {
Data value = null;
try {
value = f.evaluate(r);
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return value;
}
/** evaluate the domainFactor function */
public static visad.Field factor(FieldImpl f, VRealType rt) {
visad.Field val = null;
try {
val = f.domainFactor(rt.getRealType());
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return val;
}
/** evaluate the extract function */
public static Data extract(visad.Field f, Real r) {
Data d = null;
try {
d = f.extract((int) r.getValue());
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return d;
}
/** evaluate the derive function */
public static Data derive(Function f, VRealType rt) {
Data val = null;
try {
val = f.derivative(rt.getRealType(), Data.NO_ERRORS);
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return val;
}
/** evaluate the dot operator */
public static Data dot(TupleIface t, Real r) {
Data d = null;
try {
d = t.getComponent((int) r.getValue());
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return d;
}
public String longString(String pre) {
FlatField fld = getAdaptedFlatField();
if (fld == null) {
return pre + "Cannot get cached FlatField";
}
try {
return fld.longString(pre);
} catch (VisADException e) {
return pre + e.getMessage();
}
}
/** evaluate the bracket function; e.g., A1[5] or A1[A2] */
public static Data brackets(visad.Field f, Real r) {
Data value = null;
try {
RealType rt = (RealType) r.getType();
value = f.getSample((int) r.getValue());
} catch (VisADException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
} catch (RemoteException exc) {
if (FormulaVar.DEBUG) exc.printStackTrace();
}
return value;
}
// initialize above MathTypes
static {
try {
image_type = MathType.stringToType("((ImageElement, ImageLine) -> ImageValue)");
image_sequence_type = new FunctionType(RealType.Time, image_type);
image_type2 = MathType.stringToType("((ImageElement, ImageLine) -> (ImageValue))");
image_sequence_type2 = new FunctionType(RealType.Time, image_type2);
image_type3 = MathType.stringToType("((ImageElement, ImageLine) -> (Red, Green, Blue))");
image_sequence_type3 = new FunctionType(RealType.Time, image_type3);
} catch (VisADException e) {
throw new VisADError(e.getMessage());
}
}
/**
* Load the volume data to the display
*
* @throws RemoteException problem loading remote data
* @throws VisADException problem loading the data
*/
private void loadVolumeData() throws VisADException, RemoteException {
Trace.call1("VRC.loadVolumeData");
FieldImpl grid = getGridDataInstance().getGrid();
FieldImpl newGrid = grid;
if (getSkipValue() > 0) {
grid = GridUtil.subset(grid, getSkipValue() + 1);
newGrid = grid;
}
if (!usePoints) {
// make sure the projection is correct before we start
// transforming the data
setProjectionInView(true, true);
CoordinateSystem cs = getNavigatedDisplay().getDisplayCoordinateSystem();
if ((cs != null) && (getNavigatedDisplay() instanceof MapProjectionDisplay)) {
try {
if (GridUtil.isConstantSpatialDomain(grid)) {
newGrid = makeLinearGrid(grid, cs);
} else {
Set timeSet = GridUtil.getTimeSet(grid);
for (int i = 0; i < timeSet.getLength(); i++) {
FieldImpl timeField = makeLinearGrid((FieldImpl) grid.getSample(i, false), cs);
if (i == 0) {
FunctionType ft =
new FunctionType(
((SetType) timeSet.getType()).getDomain(), timeField.getType());
newGrid = new FieldImpl(ft, timeSet);
}
newGrid.setSample(i, timeField, false);
}
}
} catch (VisADException ve) {
ve.printStackTrace();
userErrorMessage(
"Can't render volume for "
+ paramName
+ " in this projection. Try using the data projection");
newGrid = grid;
}
}
}
Trace.call1("VRC.loadVolumeData.loadData");
myDisplay.loadData(newGrid);
Trace.call2("VRC.loadVolumeData.loadData");
Trace.call2("loadVolumeData");
}
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
if (cmd.equals("del")) {
try {
UnionSet set = (UnionSet) ref.getData();
SampledSet[] sets = set.getSets();
SampledSet[] new_sets = new SampledSet[sets.length - 1];
System.arraycopy(sets, 0, new_sets, 0, sets.length - 1);
ref.setData(new UnionSet(set.getType(), new_sets));
} catch (VisADException ex) {
} catch (RemoteException ex) {
}
} else if (cmd.equals("fill")) {
UnionSet set = null;
try {
set = (UnionSet) ref.getData();
System.out.println("area = " + DelaunayCustom.computeArea(set));
} catch (VisADException ex) {
System.out.println(ex.getMessage());
}
try {
// Irregular2DSet new_set = DelaunayCustom.fill(set);
Irregular2DSet new_set = DelaunayCustom.fillCheck(set, false);
if (new_ref == null) {
new_ref = new DataReferenceImpl("fill");
ConstantMap[] cmaps =
new ConstantMap[] {
new ConstantMap(1.0, Display.Blue),
new ConstantMap(1.0, Display.Red),
new ConstantMap(0.0, Display.Green)
};
DataRenderer renderer =
(display instanceof DisplayImplJ3D)
? (DataRenderer) new DefaultRendererJ3D()
: (DataRenderer) new DefaultRendererJ2D();
renderer.suppressExceptions(true);
display.addReferences(renderer, new_ref, cmaps);
}
new_ref.setData(new_set);
} catch (VisADException ex) {
System.out.println(ex.getMessage());
} catch (RemoteException ex) {
System.out.println(ex.getMessage());
}
} else if (cmd.equals("lines")) {
try {
lines = !lines;
GraphicsModeControl mode = display.getGraphicsModeControl();
if (lines) {
mode.setPolygonMode(DisplayImplJ3D.POLYGON_LINE);
} else {
mode.setPolygonMode(DisplayImplJ3D.POLYGON_FILL);
}
} catch (VisADException ex) {
System.out.println(ex.getMessage());
} catch (RemoteException ex) {
System.out.println(ex.getMessage());
}
}
}
/**
* Get the data for the given DataChoice and selection criteria.
*
* @param dataChoice DataChoice for selection
* @param category DataCategory for the DataChoice (not used)
* @param subset subsetting criteria
* @param requestProperties extra request properties
* @return the Data object for the request
* @throws RemoteException couldn't create a remote data object
* @throws VisADException couldn't create the data
*/
protected Data getDataInner(
final DataChoice dataChoice,
DataCategory category,
final DataSelection subset,
final Hashtable requestProperties)
throws VisADException, RemoteException {
try {
List times = null;
if (subset != null) {
times = getTimesFromDataSelection(subset, dataChoice);
}
if (times == null) {
times = dataChoice.getSelectedDateTimes();
}
List dtimes = subset.getTimeDriverTimes();
if (dtimes != null && useDriverTime == false) {
useDriverTime = true;
}
List<RadarAdapter> adapters = getAdapters();
DateTime[] realDateTimes = new DateTime[adapters.size()];
for (int i = 0; i < adapters.size(); i++) {
realDateTimes[i] = ((RadarAdapter) adapters.get(i)).getBaseTime();
}
Arrays.sort(realDateTimes);
// Flip it to get youngest date first
boolean isRealTime = isRealTime();
if (isRealTime) {
realDateTimes =
(DateTime[]) Misc.reverseArray(realDateTimes, new DateTime[realDateTimes.length]);
}
// if use time driver
if (useDriverTime) {
List tests = resetTimesList(realDateTimes, times);
if (!compareTimeLists(times, tests)) {
reloadData();
adapters = getAdapters();
realDateTimes = new DateTime[adapters.size()];
for (int i = 0; i < adapters.size(); i++) {
realDateTimes[i] = ((RadarAdapter) adapters.get(i)).getBaseTime();
}
Arrays.sort(realDateTimes);
// Flip it to get youngest date first
isRealTime = isRealTime();
if (isRealTime) {
realDateTimes =
(DateTime[]) Misc.reverseArray(realDateTimes, new DateTime[realDateTimes.length]);
}
tests = resetTimesList(realDateTimes, times);
}
times = tests;
}
// if times are null, then that means all times
DateTime[] dateTimes = null;
if ((times == null) || (times.size() == 0)) {
dateTimes = realDateTimes;
} else {
dateTimes = new DateTime[times.size()];
for (int i = 0; i < times.size(); i++) {
Object time = times.get(i);
if (time instanceof TwoFacedObject) {
int index = ((Integer) ((TwoFacedObject) time).getId()).intValue();
dateTimes[i] = realDateTimes[index];
} else if (time instanceof DateTime) {
dateTimes[i] = (DateTime) time;
}
}
}
Arrays.sort(dateTimes);
final Data[] datas = new Data[dateTimes.length];
int timeIndex = 0;
final MathType[] mt = {null};
// create a new field of (Time -> (radar data)).
// fill in the times array and data array with dates/data
// only from those adapters which match the selected times.
// if a data object is null, stick it in the list.
// if all are null, then the MathType (mt) will never get set,
// so return null.
// System.err.println ("Reading " + adapters.size() + " radar files");
int cnt = 0;
ThreadManager threadManager = new visad.util.ThreadManager("radar data reading");
for (Iterator iter = adapters.iterator(); iter.hasNext(); ) {
final RadarAdapter adapter = (RadarAdapter) iter.next();
timeIndex = Arrays.binarySearch(dateTimes, adapter.getBaseTime());
// System.err.println ("timeIndex:" + timeIndex);
if (timeIndex < 0) {
continue;
}
cnt++;
LogUtil.message("Time: " + (cnt) + "/" + dateTimes.length + " From:" + toString());
final int theTimeIndex = timeIndex;
threadManager.addRunnable(
new visad.util.ThreadManager.MyRunnable() {
public void run() throws Exception {
Trace.call1("RDS.getData");
Data d = adapter.getData(dataChoice, subset, requestProperties);
Trace.call2("RDS.getData");
datas[theTimeIndex] = d;
if (d != null) {
mt[0] = d.getType();
} else {
}
}
});
}
try {
// threadManager.debug = true;
threadManager.runInParallel(getDataContext().getIdv().getMaxDataThreadCount());
} catch (VisADException ve) {
LogUtil.printMessage(ve.toString());
}
if (mt[0] == null) {
return null;
}
FunctionType ft = new FunctionType(RealType.Time, mt[0]);
SampledSet domainSet =
(dateTimes.length == 1)
? (SampledSet) new SingletonSet(new RealTuple(dateTimes))
: (SampledSet) DateTime.makeTimeSet(dateTimes);
FieldImpl fi = new FieldImpl(ft, domainSet);
fi.setSamples(datas, false);
return fi;
} catch (Exception exc) {
logException("Creating obs", exc);
}
return null;
}
private FlatField getAdaptedFlatField() {
// if owner array is null,
// assume this object got serialized & unserialized
if (adaptedFlatFieldOwner == null) {
return null;
}
synchronized (adaptedFlatFields) {
for (int ii = 0; ii < MAX_FILE_FLAT_FIELDS; ii++) {
if (this == adaptedFlatFieldOwner[ii]) {
// mark time of most recent access
adaptedFlatFieldTimes[ii] = System.currentTimeMillis();
return adaptedFlatFields[ii];
}
}
// this FileFlatField does not own a cache entry, so invoke
// CahceStrategy.allocate to allocate one, possibly by taking
// one, possibly by taking one from another FileFlatField;
// this will be an area for lots of thought and experimentation;
adaptedFlatFieldIndex =
cacheStrategy.allocate(
adaptedFlatFields, adaptedFlatFieldDirty,
adaptedFlatFieldSizes, adaptedFlatFieldTimes);
// flush cache entry, if dirty
if (adaptedFlatFieldDirty[adaptedFlatFieldIndex]) {
try {
adaptedFlatFieldOwner[adaptedFlatFieldIndex].flushCache();
} catch (VisADException e) {
System.out.println(e.getMessage());
}
}
// create a new entry in adaptedFlatFields at adaptedFlatFieldIndex
// and read data values from fileAccessor at fileLocation
try {
adaptedFlatFields[adaptedFlatFieldIndex] = fileAccessor.getFlatField();
} catch (VisADException e1) {
System.out.println(e1.getMessage());
} catch (RemoteException e2) {
System.out.println(e2.getMessage());
}
// mark cache entry as belonging to this FileFlatField
adaptedFlatFieldOwner[adaptedFlatFieldIndex] = this;
// get size of adapted FlatField
// (by calling a method that currently does not exist)
/*adaptedFlatFields[adaptedFlatFieldIndex].getSize(); */
adaptedFlatFieldTimes[adaptedFlatFieldIndex] = System.currentTimeMillis();
return adaptedFlatFields[adaptedFlatFieldIndex];
}
}
public synchronized void drag_direct(VisADRay ray, boolean first, int mouseModifiers) {
if (barbValues == null || ref == null || shadow == null) return;
if (first) {
stop = false;
} else {
if (stop) return;
}
// modify direction if mshift != 0
// modify speed if mctrl != 0
// modify speed and direction if neither
int mshift = mouseModifiers & InputEvent.SHIFT_MASK;
int mctrl = mouseModifiers & InputEvent.CTRL_MASK;
float o_x = (float) ray.position[0];
float o_y = (float) ray.position[1];
float o_z = (float) ray.position[2];
float d_x = (float) ray.vector[0];
float d_y = (float) ray.vector[1];
float d_z = (float) ray.vector[2];
if (pickCrawlToCursor) {
if (first) {
offset_count = OFFSET_COUNT_INIT;
} else {
if (offset_count > 0) offset_count--;
}
if (offset_count > 0) {
float mult = ((float) offset_count) / ((float) OFFSET_COUNT_INIT);
o_x += mult * offsetx;
o_y += mult * offsety;
o_z += mult * offsetz;
}
}
if (first || refirst) {
point_x = barbValues[2];
point_y = barbValues[3];
point_z = 0.0f;
line_x = 0.0f;
line_y = 0.0f;
line_z = 1.0f; // lineAxis == 2 in DataRenderer.drag_direct
} // end if (first || refirst)
float[] x = new float[3]; // x marks the spot
// DirectManifoldDimension = 2
// intersect ray with plane
float dot = (point_x - o_x) * line_x + (point_y - o_y) * line_y + (point_z - o_z) * line_z;
float dot2 = d_x * line_x + d_y * line_y + d_z * line_z;
if (dot2 == 0.0) return;
dot = dot / dot2;
// x is intersection
x[0] = o_x + dot * d_x;
x[1] = o_y + dot * d_y;
x[2] = o_z + dot * d_z;
/*
System.out.println("x = " + x[0] + " " + x[1] + " " + x[2]);
*/
try {
Tuple data = (Tuple) link.getData();
int n = ((TupleType) data.getType()).getNumberOfRealComponents();
Real[] reals = new Real[n];
int k = 0;
int m = data.getDimension();
for (int i = 0; i < m; i++) {
Data component = data.getComponent(i);
if (component instanceof Real) {
reals[k++] = (Real) component;
} else if (component instanceof RealTuple) {
for (int j = 0; j < ((RealTuple) component).getDimension(); j++) {
reals[k++] = (Real) ((RealTuple) component).getComponent(j);
}
}
}
if (first || refirst) {
// get first Data flow vector
for (int i = 0; i < 3; i++) {
int j = flowToComponent[i];
data_flow[i] = (j >= 0) ? (float) reals[j].getValue() : 0.0f;
}
if (coord != null) {
float[][] ds = {{data_flow[0]}, {data_flow[1]}, {data_flow[2]}};
ds = coord.toReference(ds);
data_flow[0] = ds[0][0];
data_flow[1] = ds[1][0];
data_flow[2] = ds[2][0];
}
data_speed =
(float)
Math.sqrt(
data_flow[0] * data_flow[0]
+ data_flow[1] * data_flow[1]
+ data_flow[2] * data_flow[2]);
float barb0 = barbValues[2] - barbValues[0];
float barb1 = barbValues[3] - barbValues[1];
/*
System.out.println("data_flow = " + data_flow[0] + " " + data_flow[1] +
" " + data_flow[2]);
System.out.println("barbValues = " + barbValues[0] + " " + barbValues[1] +
" " + barbValues[2] + " " + barbValues[3]);
System.out.println("data_speed = " + data_speed);
*/
} // end if (first || refirst)
// convert x to a flow vector, and from spatial to earth
if (getRealVectorTypes(which_barb) instanceof EarthVectorType) {
// don't worry about vector magnitude -
// data_speed & display_speed take care of that
float eps = 0.0001f; // estimate derivative with a little vector
float[][] spatial_locs = {
{barbValues[0], barbValues[0] + eps * (x[0] - barbValues[0])},
{barbValues[1], barbValues[1] + eps * (x[1] - barbValues[1])},
{0.0f, 0.0f}
};
/*
System.out.println("spatial_locs = " + spatial_locs[0][0] + " " +
spatial_locs[0][1] + " " + spatial_locs[1][0] + " " +
spatial_locs[1][1]);
*/
float[][] earth_locs = spatialToEarth(spatial_locs);
// WLH - 18 Aug 99
if (earth_locs == null) return;
/*
System.out.println("earth_locs = " + earth_locs[0][0] + " " +
earth_locs[0][1] + " " + earth_locs[1][0] + " " +
earth_locs[1][1]);
*/
x[2] = 0.0f;
x[0] =
(earth_locs[1][1] - earth_locs[1][0])
* ((float) Math.cos(Data.DEGREES_TO_RADIANS * earth_locs[0][0]));
x[1] = earth_locs[0][1] - earth_locs[0][0];
/*
System.out.println("x = " + x[0] + " " + x[1] + " " + x[2]);
*/
} else { // if (!(getRealVectorTypes(which_barb) instanceof EarthVectorType))
// convert x to vector
x[0] -= barbValues[0];
x[1] -= barbValues[1];
// adjust for spatial map scalings but don't worry about vector
// magnitude - data_speed & display_speed take care of that
// also, spatial is Cartesian
double[] ranges = getRanges();
for (int i = 0; i < 3; i++) {
x[i] /= ranges[i];
}
/*
System.out.println("ranges = " + ranges[0] + " " + ranges[1] +
" " + ranges[2]);
System.out.println("x = " + x[0] + " " + x[1] + " " + x[2]);
*/
}
// WLH 6 August 99
x[0] = -x[0];
x[1] = -x[1];
x[2] = -x[2];
/* may need to do this for performance
float[] xx = {x[0], x[1], x[2]};
addPoint(xx);
*/
float x_speed = (float) Math.sqrt(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]);
/* WLH 16 April 2002 - from Ken
if (x_speed < 0.000001f) x_speed = 0.000001f;
*/
if (x_speed < 0.01f) x_speed = 0.01f;
if (first || refirst) {
display_speed = x_speed;
}
refirst = false;
if (mshift != 0) {
// only modify data_flow direction
float ratio = data_speed / x_speed;
x[0] *= ratio;
x[1] *= ratio;
x[2] *= ratio;
/*
System.out.println("direction, ratio = " + ratio + " " +
data_speed + " " + x_speed);
System.out.println("x = " + x[0] + " " + x[1] + " " + x[2]);
*/
} else if (mctrl != 0) {
// only modify data_flow speed
float ratio = x_speed / display_speed;
if (data_speed < EPS) {
data_flow[0] = 2.0f * EPS;
refirst = true;
}
x[0] = ratio * data_flow[0];
x[1] = ratio * data_flow[1];
x[2] = ratio * data_flow[2];
/*
System.out.println("speed, ratio = " + ratio + " " +
x_speed + " " + display_speed);
System.out.println("x = " + x[0] + " " + x[1] + " " + x[2]);
*/
} else {
// modify data_flow speed and direction
float ratio = data_speed / display_speed;
/*
System.out.println("data_speed = " + data_speed +
" display_speed = " + display_speed +
" ratio = " + ratio + " EPS = " + EPS);
System.out.println("x = " + x[0] + " " + x[1] +" " + x[2] +
" x_speed = " + x_speed);
data_speed = 21.213203 display_speed = 0.01 ratio = 2121.3203 EPS = 0.2
x = 1.6170928E-4 1.6021729E-4 -0.0 x_speed = 0.01
wind = (0.3430372, 0.33987218) at (-35.0, 5.0)
*/
if (data_speed < EPS) {
data_flow[0] = 2.0f * EPS;
x[0] = data_flow[0];
x[1] = data_flow[1];
x[2] = data_flow[2];
refirst = true;
} else {
x[0] *= ratio;
x[1] *= ratio;
x[2] *= ratio;
}
}
if (coord != null) {
float[][] xs = {{x[0]}, {x[1]}, {x[2]}};
xs = coord.fromReference(xs);
x[0] = xs[0][0];
x[1] = xs[1][0];
x[2] = xs[2][0];
}
// now replace flow values
Vector vect = new Vector();
for (int i = 0; i < 3; i++) {
int j = flowToComponent[i];
if (j >= 0) {
RealType rtype = (RealType) reals[j].getType();
reals[j] = new Real(rtype, (double) x[i], rtype.getDefaultUnit(), null);
// WLH 31 Aug 2000
Real r = reals[j];
Unit overrideUnit = null;
if (directMap[i] != null) {
overrideUnit = directMap[i].getOverrideUnit();
}
Unit rtunit = rtype.getDefaultUnit();
// units not part of Time string
if (overrideUnit != null
&& !overrideUnit.equals(rtunit)
&& !RealType.Time.equals(rtype)) {
double d = (float) overrideUnit.toThis((double) x[0], rtunit);
r = new Real(rtype, d, overrideUnit);
String valueString = r.toValueString();
vect.addElement(rtype.getName() + " = " + valueString);
} else {
// create location string
vect.addElement(rtype.getName() + " = " + x[i]);
}
}
}
getDisplayRenderer().setCursorStringVector(vect);
Data newData = null;
// now build new RealTuple or Flat Tuple
if (data instanceof RealTuple) {
newData =
new RealTuple(
((RealTupleType) data.getType()), reals, ((RealTuple) data).getCoordinateSystem());
} else {
Data[] new_components = new Data[m];
k = 0;
for (int i = 0; i < m; i++) {
Data component = data.getComponent(i);
if (component instanceof Real) {
new_components[i] = reals[k++];
} else if (component instanceof RealTuple) {
Real[] sub_reals = new Real[((RealTuple) component).getDimension()];
for (int j = 0; j < ((RealTuple) component).getDimension(); j++) {
sub_reals[j] = reals[k++];
}
new_components[i] =
new RealTuple(
((RealTupleType) component.getType()),
sub_reals,
((RealTuple) component).getCoordinateSystem());
}
}
newData = new Tuple(new_components, false);
}
ref.setData(newData);
} catch (VisADException e) {
// do nothing
System.out.println("drag_direct " + e);
e.printStackTrace();
} catch (RemoteException e) {
// do nothing
System.out.println("drag_direct " + e);
e.printStackTrace();
}
}