/**
* Get the data represented by this class. Calls makeObs, real work needs to be implemented there.
*
* @param dataChoice choice for data
* @param category category of data
* @param dataSelection subselection properties
* @param requestProperties additional selection properties (not used here)
* @return Data object representative of the choice
* @throws RemoteException Java RMI error
* @throws VisADException VisAD Error
*/
protected Data getDataInner(
DataChoice dataChoice,
DataCategory category,
DataSelection dataSelection,
Hashtable requestProperties)
throws VisADException, RemoteException {
Object id = dataChoice.getId();
// CompositeDataChoice
// If it is a list then we are doing a grid field
boolean doGriddedData = false;
if (id instanceof List) {
if (((List) id).get(0) instanceof Integer) {
doGriddedData = true;
}
}
if (doGriddedData) {
List idList = (List) id;
// Integer i = (Integer) idList.get(0);
RealType type = (RealType) idList.get(1);
Hashtable properties = dataChoice.getProperties();
if (properties == null) {
properties = new Hashtable();
}
Data firstGuessData = null;
boolean doFirstGuessField = false;
if (idList.size() > 2) {
doFirstGuessField = ((Boolean) idList.get(2)).booleanValue();
}
if (doFirstGuessField) {
DataChoice firstGuessDataChoice = (DataChoice) dataChoice.getProperty(PROP_FIRSTGUESS);
if (firstGuessDataChoice == null) {
List operands = new ArrayList();
List categories = DataCategory.parseCategories("GRID-2D-TIME;GRID-3D-TIME", false);
operands.add(
new DataOperand("First Guess Field", "First Guess Field", categories, false));
List userValues = getDataContext().selectDataChoices(operands);
if (userValues == null) {
return null;
}
firstGuessDataChoice = (DataChoice) userValues.get(0);
dataChoice.setObjectProperty(PROP_FIRSTGUESS, firstGuessDataChoice);
}
if (firstGuessDataChoice != null) {
firstGuessData = firstGuessDataChoice.getData(null);
if (firstGuessData == null) {
return null;
}
}
}
// Merge the point obs
properties.put(PROP_GRID_PARAM, type);
FieldImpl pointObs = null;
List datas = new ArrayList();
for (int i = 0; i < sources.size(); i++) {
DataChoice choice =
new DirectDataChoice(
this, new Integer(i), "", "", dataChoice.getCategories(), properties);
pointObs = (FieldImpl) getDataInner(choice, category, dataSelection, requestProperties);
if (pointObs != null) {
datas.add(pointObs);
}
}
if (datas.size() == 0) {
return null;
}
pointObs = PointObFactory.mergeData(datas);
if (pointObs == null) {
return null;
}
// { minY, minX, maxY, maxX };
float spacingX = this.gridX;
float spacingY = this.gridY;
int passes = this.numGridPasses;
float gain = this.gridGain;
float searchRadius = this.gridSearchRadius;
Number tmp;
tmp = (Float) dataSelection.getProperty(PROP_GRID_X);
if (tmp != null) {
spacingX = tmp.floatValue();
}
tmp = (Float) dataSelection.getProperty(PROP_GRID_Y);
if (tmp != null) {
spacingY = tmp.floatValue();
}
tmp = (Integer) dataSelection.getProperty(PROP_GRID_NUMPASSES);
if (tmp != null) {
passes = tmp.intValue();
}
String theUnit = (String) dataSelection.getProperty(PROP_GRID_UNIT);
if (theUnit == null) {
theUnit = this.gridUnit;
}
tmp = (Float) dataSelection.getProperty(PROP_GRID_GAIN);
if (tmp != null) {
gain = tmp.floatValue();
}
tmp = (Float) dataSelection.getProperty(PROP_GRID_SEARCH_RADIUS);
if (tmp != null) {
searchRadius = tmp.floatValue();
}
float degreesX = 0, degreesY = 0;
pointObs = PointObFactory.makeTimeSequenceOfPointObs(pointObs);
if (theUnit.equals(SPACING_COMPUTE) || (spacingX <= 0) || (spacingY <= 0)) {
degreesX = PointObFactory.OA_GRID_DEFAULT;
degreesY = PointObFactory.OA_GRID_DEFAULT;
if ((searchRadius == DEFAULT_RADIUS) && (firstGuessData == null)) {
searchRadius = PointObFactory.OA_GRID_DEFAULT;
}
} else if (theUnit.equals(SPACING_POINTS)) {
double[] bbox = PointObFactory.getBoundingBox(pointObs);
float spanX = (float) Math.abs(bbox[1] - bbox[3]);
float spanY = (float) Math.abs(bbox[0] - bbox[2]);
degreesX = spanX / (int) spacingX;
degreesY = spanY / (int) spacingY;
} else if (theUnit.equals(SPACING_DEGREES)) {
degreesX = spacingX;
degreesY = spacingY;
}
Barnes.AnalysisParameters ap =
new Barnes.AnalysisParameters(degreesX, degreesY, searchRadius, 0.0d);
log_.debug(
"X = "
+ degreesX
+ " Y = "
+ degreesY
+ " unit = "
+ theUnit
+ " gain = "
+ gain
+ " search = "
+ searchRadius);
LogUtil.message("Doing Barnes Analysis");
FieldImpl fi =
PointObFactory.barnes(
pointObs,
type,
degreesX,
degreesY,
passes,
gain,
searchRadius,
ap,
(FieldImpl) firstGuessData);
if (ap.getGridXArray() != null) {
log_.debug(
"Analysis params: X = "
+ ap.getGridXArray().length
+ " Y = "
+ ap.getGridYArray().length
+ " search = "
+ ap.getScaleLengthGU()
+ " random = "
+ ap.getRandomDataSpacing());
}
return fi;
}
GeoSelection geoSelection = ((dataSelection != null) ? dataSelection.getGeoSelection() : null);
GeoLocationInfo bbox = ((geoSelection == null) ? null : geoSelection.getBoundingBox());
LatLonRect llr = ((bbox != null) ? bbox.getLatLonRect() : null);
FieldImpl retField = null;
try {
// List choices = (List) dataChoice.getId();
List choices =
(dataChoice instanceof CompositeDataChoice)
? ((CompositeDataChoice) dataChoice).getDataChoices()
: Misc.toList(new DataChoice[] {dataChoice});
List datas = new ArrayList(choices.size());
for (int i = 0; i < choices.size(); i++) {
DataChoice subDataChoice = (DataChoice) choices.get(i);
FieldImpl obs = makeObs(subDataChoice, dataSelection, llr);
if (obs == null) {
continue;
}
// if (true) {
// return obs;
// }
datas.add(obs);
if (fieldsDescription == null) {
makeFieldDescription(obs);
}
}
if (datas.isEmpty()) {
return null;
}
retField = PointObFactory.mergeData(datas);
} catch (Exception exc) {
logException("Creating obs", exc);
}
return retField;
}
