private void makeCoordinateData(
int datatype,
Variable time,
Variable elev,
Variable azi,
Variable nradialsVar,
Variable ngatesVar,
List groups) {
Array timeData = Array.factory(time.getDataType().getPrimitiveClassType(), time.getShape());
IndexIterator timeDataIter = timeData.getIndexIterator();
Array elevData = Array.factory(elev.getDataType().getPrimitiveClassType(), elev.getShape());
IndexIterator elevDataIter = elevData.getIndexIterator();
Array aziData = Array.factory(azi.getDataType().getPrimitiveClassType(), azi.getShape());
IndexIterator aziDataIter = aziData.getIndexIterator();
Array nradialsData =
Array.factory(nradialsVar.getDataType().getPrimitiveClassType(), nradialsVar.getShape());
IndexIterator nradialsIter = nradialsData.getIndexIterator();
Array ngatesData =
Array.factory(ngatesVar.getDataType().getPrimitiveClassType(), ngatesVar.getShape());
IndexIterator ngatesIter = ngatesData.getIndexIterator();
int last_msecs = Integer.MIN_VALUE;
int nscans = groups.size();
int maxRadials = volScan.getMaxRadials();
for (int i = 0; i < nscans; i++) {
List scanGroup = (List) groups.get(i);
int nradials = scanGroup.size();
Cinrad2Record first = null;
for (int j = 0; j < nradials; j++) {
Cinrad2Record r = (Cinrad2Record) scanGroup.get(j);
if (first == null) first = r;
timeDataIter.setIntNext(r.data_msecs);
elevDataIter.setFloatNext(r.getElevation());
aziDataIter.setFloatNext(r.getAzimuth());
if (r.data_msecs < last_msecs)
logger.warn("makeCoordinateData time out of order " + r.data_msecs);
last_msecs = r.data_msecs;
}
for (int j = nradials; j < maxRadials; j++) {
timeDataIter.setIntNext(MISSING_INT);
elevDataIter.setFloatNext(MISSING_FLOAT);
aziDataIter.setFloatNext(MISSING_FLOAT);
}
nradialsIter.setIntNext(nradials);
ngatesIter.setIntNext(first.getGateCount(datatype));
}
time.setCachedData(timeData, false);
elev.setCachedData(elevData, false);
azi.setCachedData(aziData, false);
nradialsVar.setCachedData(nradialsData, false);
ngatesVar.setCachedData(ngatesData, false);
}
private void makeCoordinateDataWithMissing(
int datatype,
Variable time,
Variable elev,
Variable azi,
Variable nradialsVar,
Variable ngatesVar,
List groups) {
Array timeData = Array.factory(time.getDataType().getPrimitiveClassType(), time.getShape());
Index timeIndex = timeData.getIndex();
Array elevData = Array.factory(elev.getDataType().getPrimitiveClassType(), elev.getShape());
Index elevIndex = elevData.getIndex();
Array aziData = Array.factory(azi.getDataType().getPrimitiveClassType(), azi.getShape());
Index aziIndex = aziData.getIndex();
Array nradialsData =
Array.factory(nradialsVar.getDataType().getPrimitiveClassType(), nradialsVar.getShape());
IndexIterator nradialsIter = nradialsData.getIndexIterator();
Array ngatesData =
Array.factory(ngatesVar.getDataType().getPrimitiveClassType(), ngatesVar.getShape());
IndexIterator ngatesIter = ngatesData.getIndexIterator();
// first fill with missing data
IndexIterator ii = timeData.getIndexIterator();
while (ii.hasNext()) ii.setIntNext(MISSING_INT);
ii = elevData.getIndexIterator();
while (ii.hasNext()) ii.setFloatNext(MISSING_FLOAT);
ii = aziData.getIndexIterator();
while (ii.hasNext()) ii.setFloatNext(MISSING_FLOAT);
// now set the coordinate variables from the Cinrad2Record radial
int last_msecs = Integer.MIN_VALUE;
int nscans = groups.size();
try {
for (int scan = 0; scan < nscans; scan++) {
List scanGroup = (List) groups.get(scan);
int nradials = scanGroup.size();
Cinrad2Record first = null;
for (int j = 0; j < nradials; j++) {
Cinrad2Record r = (Cinrad2Record) scanGroup.get(j);
if (first == null) first = r;
int radial = r.radial_num - 1;
timeData.setInt(timeIndex.set(scan, radial), r.data_msecs);
elevData.setFloat(elevIndex.set(scan, radial), r.getElevation());
aziData.setFloat(aziIndex.set(scan, radial), r.getAzimuth());
if (r.data_msecs < last_msecs)
logger.warn("makeCoordinateData time out of order " + r.data_msecs);
last_msecs = r.data_msecs;
}
nradialsIter.setIntNext(nradials);
ngatesIter.setIntNext(first.getGateCount(datatype));
}
} catch (java.lang.ArrayIndexOutOfBoundsException ae) {
logger.debug("Cinrad2IOSP.uncompress ", ae);
}
time.setCachedData(timeData, false);
elev.setCachedData(elevData, false);
azi.setCachedData(aziData, false);
nradialsVar.setCachedData(nradialsData, false);
ngatesVar.setCachedData(ngatesData, false);
}
public Variable makeVariable(
NetcdfFile ncfile,
int datatype,
String shortName,
String longName,
String abbrev,
List groups)
throws IOException {
int nscans = groups.size();
if (nscans == 0) {
throw new IllegalStateException("No data for " + shortName);
}
// get representative record
List firstGroup = (List) groups.get(0);
Cinrad2Record firstRecord = (Cinrad2Record) firstGroup.get(0);
int ngates = firstRecord.getGateCount(datatype);
String scanDimName = "scan" + abbrev;
String gateDimName = "gate" + abbrev;
Dimension scanDim = new Dimension(scanDimName, nscans);
Dimension gateDim = new Dimension(gateDimName, ngates);
ncfile.addDimension(null, scanDim);
ncfile.addDimension(null, gateDim);
ArrayList dims = new ArrayList();
dims.add(scanDim);
dims.add(radialDim);
dims.add(gateDim);
Variable v = new Variable(ncfile, null, null, shortName);
v.setDataType(DataType.BYTE);
v.setDimensions(dims);
ncfile.addVariable(null, v);
v.addAttribute(new Attribute(CDM.UNITS, Cinrad2Record.getDatatypeUnits(datatype)));
v.addAttribute(new Attribute(CDM.LONG_NAME, longName));
byte[] b = new byte[2];
b[0] = Cinrad2Record.MISSING_DATA;
b[1] = Cinrad2Record.BELOW_THRESHOLD;
Array missingArray = Array.factory(DataType.BYTE.getPrimitiveClassType(), new int[] {2}, b);
v.addAttribute(new Attribute(CDM.MISSING_VALUE, missingArray));
v.addAttribute(
new Attribute("signal_below_threshold", new Byte(Cinrad2Record.BELOW_THRESHOLD)));
v.addAttribute(
new Attribute(CDM.SCALE_FACTOR, new Float(Cinrad2Record.getDatatypeScaleFactor(datatype))));
v.addAttribute(
new Attribute(CDM.ADD_OFFSET, new Float(Cinrad2Record.getDatatypeAddOffset(datatype))));
v.addAttribute(new Attribute(CDM.UNSIGNED, "true"));
ArrayList dim2 = new ArrayList();
dim2.add(scanDim);
dim2.add(radialDim);
// add time coordinate variable
String timeCoordName = "time" + abbrev;
Variable timeVar = new Variable(ncfile, null, null, timeCoordName);
timeVar.setDataType(DataType.INT);
timeVar.setDimensions(dim2);
ncfile.addVariable(null, timeVar);
// int julianDays = volScan.getTitleJulianDays();
// Date d = Cinrad2Record.getDate( julianDays, 0);
// Date d = Cinrad2Record.getDate(volScan.getTitleJulianDays(), volScan.getTitleMsecs());
Date d = volScan.getStartDate();
String units = "msecs since " + formatter.toDateTimeStringISO(d);
timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "time since base date"));
timeVar.addAttribute(new Attribute(CDM.UNITS, units));
timeVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Integer(MISSING_INT)));
timeVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.Time.toString()));
// add elevation coordinate variable
String elevCoordName = "elevation" + abbrev;
Variable elevVar = new Variable(ncfile, null, null, elevCoordName);
elevVar.setDataType(DataType.FLOAT);
elevVar.setDimensions(dim2);
ncfile.addVariable(null, elevVar);
elevVar.addAttribute(new Attribute(CDM.UNITS, "degrees"));
elevVar.addAttribute(
new Attribute(
CDM.LONG_NAME,
"elevation angle in degres: 0 = parallel to pedestal base, 90 = perpendicular"));
elevVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Float(MISSING_FLOAT)));
elevVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialElevation.toString()));
// add azimuth coordinate variable
String aziCoordName = "azimuth" + abbrev;
Variable aziVar = new Variable(ncfile, null, null, aziCoordName);
aziVar.setDataType(DataType.FLOAT);
aziVar.setDimensions(dim2);
ncfile.addVariable(null, aziVar);
aziVar.addAttribute(new Attribute(CDM.UNITS, "degrees"));
aziVar.addAttribute(
new Attribute(CDM.LONG_NAME, "azimuth angle in degrees: 0 = true north, 90 = east"));
aziVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Float(MISSING_FLOAT)));
aziVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialAzimuth.toString()));
// add gate coordinate variable
String gateCoordName = "distance" + abbrev;
Variable gateVar = new Variable(ncfile, null, null, gateCoordName);
gateVar.setDataType(DataType.FLOAT);
gateVar.setDimensions(gateDimName);
Array data =
Array.makeArray(
DataType.FLOAT,
ngates,
(double) firstRecord.getGateStart(datatype),
(double) firstRecord.getGateSize(datatype));
gateVar.setCachedData(data, false);
ncfile.addVariable(null, gateVar);
radarRadius = firstRecord.getGateStart(datatype) + ngates * firstRecord.getGateSize(datatype);
gateVar.addAttribute(new Attribute(CDM.UNITS, "m"));
gateVar.addAttribute(new Attribute(CDM.LONG_NAME, "radial distance to start of gate"));
gateVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialDistance.toString()));
// add number of radials variable
String nradialsName = "numRadials" + abbrev;
Variable nradialsVar = new Variable(ncfile, null, null, nradialsName);
nradialsVar.setDataType(DataType.INT);
nradialsVar.setDimensions(scanDim.getName());
nradialsVar.addAttribute(new Attribute(CDM.LONG_NAME, "number of valid radials in this scan"));
ncfile.addVariable(null, nradialsVar);
// add number of gates variable
String ngateName = "numGates" + abbrev;
Variable ngateVar = new Variable(ncfile, null, null, ngateName);
ngateVar.setDataType(DataType.INT);
ngateVar.setDimensions(scanDim.getName());
ngateVar.addAttribute(new Attribute(CDM.LONG_NAME, "number of valid gates in this scan"));
ncfile.addVariable(null, ngateVar);
makeCoordinateDataWithMissing(
datatype, timeVar, elevVar, aziVar, nradialsVar, ngateVar, groups);
// back to the data variable
String coordinates =
timeCoordName + " " + elevCoordName + " " + aziCoordName + " " + gateCoordName;
v.addAttribute(new Attribute(_Coordinate.Axes, coordinates));
// make the record map
int nradials = radialDim.getLength();
Cinrad2Record[][] map = new Cinrad2Record[nscans][nradials];
for (int i = 0; i < groups.size(); i++) {
Cinrad2Record[] mapScan = map[i];
List group = (List) groups.get(i);
for (int j = 0; j < group.size(); j++) {
Cinrad2Record r = (Cinrad2Record) group.get(j);
int radial = r.radial_num - 1;
mapScan[radial] = r;
}
}
Vgroup vg = new Vgroup(datatype, map);
v.setSPobject(vg);
return v;
}
