/**
* Clones the attributes of one NetCDF file into another.
*
* @param infile - The source NetCDF file
* @param inVarName - The variable name to be copied
* @param outfile - The destination NetCDF file
* @param outVarName - The output variable name
*/
private void cloneAttributes(
NetcdfFile infile, String inVarName, NetcdfFileWriteable outfile, String outVarName) {
// Find the variable
Variable vi = infile.findVariable(inVarName);
// Grab all of its attributes - unchecked, but should be OK.
List<Attribute> l = vi.getAttributes();
for (Attribute a : l) {
if (a.getName().equalsIgnoreCase("units") && inVarName.equalsIgnoreCase("time")) {
Attribute aa = new Attribute("units", "days since 1900-12-31 00:00:00");
outfile.addVariableAttribute(outVarName, aa);
} else if (a.getName().equalsIgnoreCase("time_origin")
&& inVarName.equalsIgnoreCase("time")) {
Attribute aa = new Attribute("time_origin", "1900-12-31 00:00:00");
outfile.addVariableAttribute(outVarName, aa);
} else if (a.getName().equalsIgnoreCase("calendar")) {
Attribute aa = new Attribute("calendar", "standard");
outfile.addVariableAttribute(outVarName, aa);
} else {
outfile.addVariableAttribute(outVarName, a);
}
}
}
private void createDataVariables(List<VariableSimpleIF> dataVars) throws IOException {
/* height variable
Variable heightVar = ncfile.addStringVariable(altName, recordDims, 20);
ncfile.addVariableAttribute(heightVar, new Attribute("long_name", "height of observation"));
ncfile.addVariableAttribute(heightVar, new Attribute("units", altUnits)); */
Variable v = ncfile.addVariable(parentProfileIndex, DataType.INT, recordDimName);
ncfile.addVariableAttribute(v, new Attribute("long_name", "index of parent profile"));
v = ncfile.addVariable(nextObsName, DataType.INT, recordDimName);
ncfile.addVariableAttribute(
v, new Attribute("long_name", "record number of next obs in linked list for this profile"));
// find all dimensions needed by the data variables
for (VariableSimpleIF var : dataVars) {
List<Dimension> dims = var.getDimensions();
dimSet.addAll(dims);
}
// add them
for (Dimension d : dimSet) {
if (!d.isUnlimited())
ncfile.addDimension(d.getName(), d.getLength(), d.isShared(), false, d.isVariableLength());
}
// add the data variables all using the record dimension
for (VariableSimpleIF oldVar : dataVars) {
List<Dimension> dims = oldVar.getDimensions();
StringBuffer dimNames = new StringBuffer(recordDimName);
for (Dimension d : dims) {
if (!d.isUnlimited()) dimNames.append(" ").append(d.getName());
}
Variable newVar =
ncfile.addVariable(oldVar.getName(), oldVar.getDataType(), dimNames.toString());
List<Attribute> atts = oldVar.getAttributes();
for (Attribute att : atts) {
ncfile.addVariableAttribute(newVar, att);
}
}
}
private void createProfiles(int nprofiles) throws IOException {
this.nprofiles = nprofiles;
// add the dimensions
Dimension profileDim = ncfile.addDimension(profileDimName, nprofiles);
profileDims.add(profileDim);
Variable v = ncfile.addVariable(numObsName, DataType.INT, profileDimName);
ncfile.addVariableAttribute(
v, new Attribute("long_name", "number of children in linked list for this profile"));
v = ncfile.addVariable(numProfilesTotalName, DataType.INT, "");
ncfile.addVariableAttribute(v, new Attribute("long_name", "number of valid profiles"));
v = ncfile.addVariable(firstObsName, DataType.INT, profileDimName);
ncfile.addVariableAttribute(
v,
new Attribute("long_name", "record number of first obs in linked list for this profile"));
// time variable
Variable timeVar = ncfile.addStringVariable(timeName, profileDims, 20);
ncfile.addVariableAttribute(
timeVar, new Attribute("long_name", "ISO-8601 Date - time of observation"));
v = ncfile.addVariable(parentStationIndex, DataType.INT, profileDimName);
ncfile.addVariableAttribute(v, new Attribute("long_name", "index of parent station"));
v = ncfile.addVariable(nextProfileName, DataType.INT, profileDimName);
ncfile.addVariableAttribute(
v, new Attribute("long_name", "index of next profile in linked list for this station"));
}
/**
* Clones the attributes of the input file(s) to the output file
*
* @param infile
* @param inVarName
* @param outfile
* @param outVarName
*/
private void cloneAttributes(
NetcdfDataset infile, String inVarName, NetcdfFileWriteable outfile, String outVarName) {
// Find the variable
Variable vi = infile.findVariable(inVarName);
List<Attribute> l = vi.getAttributes();
for (Attribute a : l) {
outfile.addVariableAttribute(outVarName, a);
}
}
private void createStations(List<ucar.unidata.geoloc.Station> stnList) throws IOException {
int nstns = stnList.size();
// see if there's altitude, wmoId for any stations
for (int i = 0; i < nstns; i++) {
ucar.unidata.geoloc.Station stn = stnList.get(i);
// if (!Double.isNaN(stn.getAltitude()))
// useAlt = true;
if ((stn.getWmoId() != null) && (stn.getWmoId().trim().length() > 0)) useWmoId = true;
}
/* if (useAlt)
ncfile.addGlobalAttribute("altitude_coordinate", altName); */
// find string lengths
for (int i = 0; i < nstns; i++) {
ucar.unidata.geoloc.Station station = stnList.get(i);
name_strlen = Math.max(name_strlen, station.getName().length());
desc_strlen = Math.max(desc_strlen, station.getDescription().length());
if (useWmoId) wmo_strlen = Math.max(wmo_strlen, station.getName().length());
}
LatLonRect llbb = getBoundingBox(stnList);
ncfile.addGlobalAttribute(
"geospatial_lat_min", Double.toString(llbb.getLowerLeftPoint().getLatitude()));
ncfile.addGlobalAttribute(
"geospatial_lat_max", Double.toString(llbb.getUpperRightPoint().getLatitude()));
ncfile.addGlobalAttribute(
"geospatial_lon_min", Double.toString(llbb.getLowerLeftPoint().getLongitude()));
ncfile.addGlobalAttribute(
"geospatial_lon_max", Double.toString(llbb.getUpperRightPoint().getLongitude()));
// add the dimensions
Dimension recordDim = ncfile.addUnlimitedDimension(recordDimName);
recordDims.add(recordDim);
Dimension stationDim = ncfile.addDimension(stationDimName, nstns);
stationDims.add(stationDim);
// add the station Variables using the station dimension
Variable v = ncfile.addVariable(latName, DataType.DOUBLE, stationDimName);
ncfile.addVariableAttribute(v, new Attribute("units", "degrees_north"));
ncfile.addVariableAttribute(v, new Attribute("long_name", "station latitude"));
v = ncfile.addVariable(lonName, DataType.DOUBLE, stationDimName);
ncfile.addVariableAttribute(v, new Attribute("units", "degrees_east"));
ncfile.addVariableAttribute(v, new Attribute("long_name", "station longitude"));
if (useAlt) {
v = ncfile.addVariable(altName, DataType.DOUBLE, stationDimName);
ncfile.addVariableAttribute(v, new Attribute("units", "meters"));
ncfile.addVariableAttribute(v, new Attribute("long_name", "station altitude"));
}
v = ncfile.addStringVariable(idName, stationDims, name_strlen);
ncfile.addVariableAttribute(v, new Attribute("long_name", "station identifier"));
v = ncfile.addStringVariable(descName, stationDims, desc_strlen);
ncfile.addVariableAttribute(v, new Attribute("long_name", "station description"));
if (useWmoId) {
v = ncfile.addStringVariable(wmoName, stationDims, wmo_strlen);
ncfile.addVariableAttribute(v, new Attribute("long_name", "station WMO id"));
}
v = ncfile.addVariable(numProfilesName, DataType.INT, stationDimName);
ncfile.addVariableAttribute(
v, new Attribute("long_name", "number of profiles in linked list for this station"));
v = ncfile.addVariable(firstProfileName, DataType.INT, stationDimName);
ncfile.addVariableAttribute(
v, new Attribute("long_name", "index of first profile in linked list for this station"));
}
public void testWritePermute() throws Exception {
NetcdfFileWriteable ncfile = new NetcdfFileWriteable();
ncfile.setName(TestLocal.cdmTestDataDir + "permuteTest.nc");
// define dimensions
Dimension xDim = ncfile.addDimension("x", 3);
Dimension yDim = ncfile.addDimension("y", 5);
Dimension zDim = ncfile.addDimension("z", 4);
Dimension tDim = ncfile.addDimension("time", 2);
// define Variables
ncfile.addVariable("time", double.class, new Dimension[] {tDim});
ncfile.addVariableAttribute("time", "units", "secs since 1-1-1 00:00");
ncfile.addVariable("z", double.class, new Dimension[] {zDim});
ncfile.addVariableAttribute("z", "units", "meters");
ncfile.addVariableAttribute("z", "positive", "up");
ncfile.addVariable("y", double.class, new Dimension[] {yDim});
ncfile.addVariableAttribute("y", "units", "degrees_north");
ncfile.addVariable("x", double.class, new Dimension[] {xDim});
ncfile.addVariableAttribute("x", "units", "degrees_east");
ncfile.addVariable("tzyx", double.class, new Dimension[] {tDim, zDim, yDim, xDim});
ncfile.addVariableAttribute("tzyx", "units", "K");
ncfile.addVariable("tzxy", double.class, new Dimension[] {tDim, zDim, xDim, yDim});
ncfile.addVariableAttribute("tzxy", "units", "K");
ncfile.addVariable("tyxz", double.class, new Dimension[] {tDim, yDim, xDim, zDim});
ncfile.addVariableAttribute("tyxz", "units", "K");
ncfile.addVariable("txyz", double.class, new Dimension[] {tDim, xDim, yDim, zDim});
ncfile.addVariableAttribute("txyz", "units", "K");
ncfile.addVariable("zyxt", double.class, new Dimension[] {zDim, yDim, xDim, tDim});
ncfile.addVariableAttribute("zyxt", "units", "K");
ncfile.addVariable("zxyt", double.class, new Dimension[] {zDim, xDim, yDim, tDim});
ncfile.addVariableAttribute("zxyt", "units", "K");
ncfile.addVariable("yxzt", double.class, new Dimension[] {yDim, xDim, zDim, tDim});
ncfile.addVariableAttribute("yxzt", "units", "K");
ncfile.addVariable("xyzt", double.class, new Dimension[] {xDim, yDim, zDim, tDim});
ncfile.addVariableAttribute("xyzt", "units", "K");
// missing one dimension
ncfile.addVariable("zyx", double.class, new Dimension[] {zDim, yDim, xDim});
ncfile.addVariable("txy", double.class, new Dimension[] {tDim, xDim, yDim});
ncfile.addVariable("yxz", double.class, new Dimension[] {yDim, xDim, zDim});
ncfile.addVariable("xzy", double.class, new Dimension[] {xDim, zDim, yDim});
ncfile.addVariable("yxt", double.class, new Dimension[] {yDim, xDim, tDim});
ncfile.addVariable("xyt", double.class, new Dimension[] {xDim, yDim, tDim});
ncfile.addVariable("xyz", double.class, new Dimension[] {xDim, yDim, zDim});
// missing two dimension
ncfile.addVariable("yx", double.class, new Dimension[] {yDim, xDim});
ncfile.addVariable("xy", double.class, new Dimension[] {xDim, yDim});
ncfile.addVariable("yz", double.class, new Dimension[] {yDim, zDim});
ncfile.addVariable("xz", double.class, new Dimension[] {xDim, zDim});
ncfile.addVariable("yt", double.class, new Dimension[] {yDim, tDim});
ncfile.addVariable("xt", double.class, new Dimension[] {xDim, tDim});
ncfile.addVariable("ty", double.class, new Dimension[] {tDim, yDim});
ncfile.addVariable("tx", double.class, new Dimension[] {tDim, xDim});
// add global attributes
ncfile.addGlobalAttribute("Convention", "COARDS");
// create the file
try {
ncfile.create();
} catch (IOException e) {
System.err.println("ERROR creating file");
assert (false);
}
// write time data
int len = tDim.getLength();
ArrayDouble A = new ArrayDouble.D1(len);
Index ima = A.getIndex();
for (int i = 0; i < len; i++) A.setDouble(ima.set(i), (double) (i * 3600));
int[] origin = new int[1];
try {
ncfile.write("time", origin, A);
} catch (IOException e) {
System.err.println("ERROR writing time");
assert (false);
}
// write z data
len = zDim.getLength();
A = new ArrayDouble.D1(len);
ima = A.getIndex();
for (int i = 0; i < len; i++) A.setDouble(ima.set(i), (double) (i * 10));
try {
ncfile.write("z", origin, A);
} catch (IOException e) {
System.err.println("ERROR writing z");
assert (false);
}
// write y data
len = yDim.getLength();
A = new ArrayDouble.D1(len);
ima = A.getIndex();
for (int i = 0; i < len; i++) A.setDouble(ima.set(i), (double) (i * 3));
try {
ncfile.write("y", origin, A);
} catch (IOException e) {
System.err.println("ERROR writing y");
assert (false);
}
// write x data
len = xDim.getLength();
A = new ArrayDouble.D1(len);
ima = A.getIndex();
for (int i = 0; i < len; i++) A.setDouble(ima.set(i), (double) (i * 5));
try {
ncfile.write("x", origin, A);
} catch (IOException e) {
System.err.println("ERROR writing x");
assert (false);
}
// write tzyx data
doWrite4(ncfile, "tzyx");
doWrite4(ncfile, "tzxy");
doWrite4(ncfile, "txyz");
doWrite4(ncfile, "tyxz");
doWrite4(ncfile, "zyxt");
doWrite4(ncfile, "zxyt");
doWrite4(ncfile, "xyzt");
doWrite4(ncfile, "yxzt");
doWrite3(ncfile, "zyx");
doWrite3(ncfile, "txy");
doWrite3(ncfile, "yxz");
doWrite3(ncfile, "xzy");
doWrite3(ncfile, "yxt");
doWrite3(ncfile, "xyt");
doWrite3(ncfile, "yxt");
doWrite3(ncfile, "xyz");
doWrite2(ncfile, "yx");
doWrite2(ncfile, "xy");
doWrite2(ncfile, "yz");
doWrite2(ncfile, "xz");
doWrite2(ncfile, "yt");
doWrite2(ncfile, "xt");
doWrite2(ncfile, "ty");
doWrite2(ncfile, "tx");
if (show) System.out.println("ncfile = " + ncfile);
// all done
try {
ncfile.close();
} catch (IOException e) {
System.err.println("ERROR writing file");
assert (false);
}
System.out.println("*****************Test Write done");
}
public void testWriteStandardVar() throws Exception {
NetcdfFileWriteable ncfile = new NetcdfFileWriteable(filename, false);
// define dimensions
Dimension latDim = ncfile.addDimension("lat", 2);
Dimension lonDim = ncfile.addDimension("lon", 3);
ArrayList dims = new ArrayList();
dims.add(latDim);
dims.add(lonDim);
// case 1
ncfile.addVariable("t1", DataType.DOUBLE, dims);
ncfile.addVariableAttribute("t1", CDM.SCALE_FACTOR, new Double(2.0));
ncfile.addVariableAttribute("t1", "add_offset", new Double(77.0));
// case 2
ncfile.addVariable("t2", DataType.BYTE, dims);
ncfile.addVariableAttribute("t2", CDM.SCALE_FACTOR, new Short((short) 2));
ncfile.addVariableAttribute("t2", "add_offset", new Short((short) 77));
// case 3
ncfile.addVariable("t3", DataType.BYTE, dims);
ncfile.addVariableAttribute("t3", "_FillValue", new Byte((byte) 255));
// case 4
ncfile.addVariable("t4", DataType.SHORT, dims);
ncfile.addVariableAttribute("t4", CDM.MISSING_VALUE, new Short((short) -9999));
// case 5
ncfile.addVariable("t5", DataType.SHORT, dims);
ncfile.addVariableAttribute("t5", CDM.MISSING_VALUE, new Short((short) -9999));
ncfile.addVariableAttribute("t5", CDM.SCALE_FACTOR, new Short((short) 2));
ncfile.addVariableAttribute("t5", "add_offset", new Short((short) 77));
// case 1
ncfile.addVariable("m1", DataType.DOUBLE, dims);
ncfile.addVariableAttribute("m1", CDM.MISSING_VALUE, -999.99);
// create the file
ncfile.create();
// write t1
ArrayDouble A = new ArrayDouble.D2(latDim.getLength(), lonDim.getLength());
int i, j;
Index ima = A.getIndex();
// write
for (i = 0; i < latDim.getLength(); i++)
for (j = 0; j < lonDim.getLength(); j++) A.setDouble(ima.set(i, j), (double) (i * 10.0 + j));
int[] origin = new int[2];
ncfile.write("t1", origin, A);
// write t2
ArrayByte Ab = new ArrayByte.D2(latDim.getLength(), lonDim.getLength());
ima = Ab.getIndex();
for (i = 0; i < latDim.getLength(); i++)
for (j = 0; j < lonDim.getLength(); j++) Ab.setByte(ima.set(i, j), (byte) (i * 10 + j));
ncfile.write("t2", origin, Ab);
// write t3
ncfile.write("t3", origin, Ab);
// write t4
Array As = new ArrayShort.D2(latDim.getLength(), lonDim.getLength());
ima = As.getIndex();
for (i = 0; i < latDim.getLength(); i++)
for (j = 0; j < lonDim.getLength(); j++) As.setShort(ima.set(i, j), (short) (i * 10 + j));
ncfile.write("t4", origin, As);
As.setShort(ima.set(0, 0), (short) -9999);
ncfile.write("t5", origin, As);
// write m1
ArrayDouble.D2 Ad = new ArrayDouble.D2(latDim.getLength(), lonDim.getLength());
for (i = 0; i < latDim.getLength(); i++)
for (j = 0; j < lonDim.getLength(); j++) Ad.setDouble(ima.set(i, j), (double) (i * 10.0 + j));
Ad.set(1, 1, -999.99);
ncfile.write("m1", new int[2], Ad);
// all done
ncfile.close();
System.out.println("**************TestStandardVar Write done");
}
Write2ncRect(NetcdfFile bufr, String fileOutName, boolean fill)
throws IOException, InvalidRangeException {
NetcdfFileWriteable ncfile = NetcdfFileWriteable.createNew(fileOutName, fill);
if (debug) {
System.out.println("FileWriter write " + bufr.getLocation() + " to " + fileOutName);
}
// global attributes
List<Attribute> glist = bufr.getGlobalAttributes();
for (Attribute att : glist) {
String useName = N3iosp.makeValidNetcdfObjectName(att.getName());
Attribute useAtt;
if (att.isArray()) useAtt = ncfile.addGlobalAttribute(useName, att.getValues());
else if (att.isString()) useAtt = ncfile.addGlobalAttribute(useName, att.getStringValue());
else useAtt = ncfile.addGlobalAttribute(useName, att.getNumericValue());
if (debug) System.out.println("add gatt= " + useAtt);
}
// global dimensions
Dimension recordDim = null;
Map<String, Dimension> dimHash = new HashMap<String, Dimension>();
for (Dimension oldD : bufr.getDimensions()) {
String useName = N3iosp.makeValidNetcdfObjectName(oldD.getName());
boolean isRecord = useName.equals("record");
Dimension newD = ncfile.addDimension(useName, oldD.getLength(), true, false, false);
dimHash.put(newD.getName(), newD);
if (isRecord) recordDim = newD;
if (debug) System.out.println("add dim= " + newD);
}
// Variables
Structure recordStruct = (Structure) bufr.findVariable(BufrIosp.obsRecord);
for (Variable oldVar : recordStruct.getVariables()) {
if (oldVar.getDataType() == DataType.STRUCTURE) continue;
String varName = N3iosp.makeValidNetcdfObjectName(oldVar.getShortName());
DataType newType = oldVar.getDataType();
List<Dimension> newDims = new ArrayList<Dimension>();
newDims.add(recordDim);
for (Dimension dim : oldVar.getDimensions()) {
newDims.add(ncfile.addDimension(oldVar.getShortName() + "_strlen", dim.getLength()));
}
Variable newVar = ncfile.addVariable(varName, newType, newDims);
if (debug) System.out.println("add var= " + newVar);
// attributes
List<Attribute> attList = oldVar.getAttributes();
for (Attribute att : attList) {
String useName = N3iosp.makeValidNetcdfObjectName(att.getName());
if (att.isArray()) ncfile.addVariableAttribute(varName, useName, att.getValues());
else if (att.isString())
ncfile.addVariableAttribute(varName, useName, att.getStringValue());
else ncfile.addVariableAttribute(varName, useName, att.getNumericValue());
}
}
// int max_seq = countSeq(recordStruct);
// Dimension seqD = ncfile.addDimension("level", max_seq);
for (Variable v : recordStruct.getVariables()) {
if (v.getDataType() != DataType.STRUCTURE) continue;
String structName = N3iosp.makeValidNetcdfObjectName(v.getShortName());
int shape[] = v.getShape();
Dimension structDim = ncfile.addDimension(structName, shape[0]);
Structure struct = (Structure) v;
for (Variable seqVar : struct.getVariables()) {
String varName = N3iosp.makeValidNetcdfObjectName(seqVar.getShortName() + "-" + structName);
DataType newType = seqVar.getDataType();
List<Dimension> newDims = new ArrayList<Dimension>();
newDims.add(recordDim);
newDims.add(structDim);
for (Dimension dim : seqVar.getDimensions()) {
newDims.add(ncfile.addDimension(seqVar.getShortName() + "_strlen", dim.getLength()));
}
Variable newVar = ncfile.addVariable(varName, newType, newDims);
if (debug) System.out.println("add var= " + newVar);
// attributes
List<Attribute> attList = seqVar.getAttributes();
for (Attribute att : attList) {
String useName = N3iosp.makeValidNetcdfObjectName(att.getName());
if (att.isArray()) ncfile.addVariableAttribute(varName, useName, att.getValues());
else if (att.isString())
ncfile.addVariableAttribute(varName, useName, att.getStringValue());
else ncfile.addVariableAttribute(varName, useName, att.getNumericValue());
}
}
}
// create the file
ncfile.create();
if (debug) System.out.println("File Out= " + ncfile.toString());
// boolean ok = (Boolean) ncfile.sendIospMessage(NetcdfFile.IOSP_MESSAGE_ADD_RECORD_STRUCTURE);
double total = copyVarData(ncfile, recordStruct);
ncfile.flush();
System.out.println("FileWriter done total bytes = " + total);
ncfile.close();
}
public static void main2(String args[]) throws Exception {
final int NLVL = 2;
final int NLAT = 6;
final int NLON = 12;
final int NumberOfRecords = 2;
final float SAMPLE_PRESSURE = 900.0f;
final float SAMPLE_TEMP = 9.0f;
final float START_LAT = 25.0f;
final float START_LON = -125.0f;
// Create the file.
String filename = "pres_temp_4D.nc";
NetcdfFileWriteable dataFile = null;
try {
// Create new netcdf-3 file with the given filename
dataFile = NetcdfFileWriteable.createNew(filename, false);
// add dimensions where time dimension is unlimit
Dimension lvlDim = dataFile.addDimension("level", NLVL);
Dimension latDim = dataFile.addDimension("latitude", NLAT);
Dimension lonDim = dataFile.addDimension("longitude", NLON);
Dimension timeDim = dataFile.addDimension("time", 1000); // should
// not be
// need
// second
// argument
ArrayList dims = null;
// Define the coordinate variables.
dataFile.addVariable("latitude", DataType.FLOAT, new Dimension[] {latDim});
dataFile.addVariable("longitude", DataType.FLOAT, new Dimension[] {lonDim});
// Define units attributes for data variables.
dataFile.addVariableAttribute("latitude", "units", "degrees_north");
dataFile.addVariableAttribute("longitude", "units", "degrees_east");
// Define the netCDF variables for the pressure and temperature
// data.
dims = new ArrayList();
dims.add(timeDim);
dims.add(lvlDim);
dims.add(latDim);
dims.add(lonDim);
dataFile.addVariable("pressure", DataType.FLOAT, dims);
dataFile.addVariable("temperature", DataType.FLOAT, dims);
// Define units attributes for data variables.
dataFile.addVariableAttribute("pressure", "units", "hPa");
dataFile.addVariableAttribute("temperature", "units", "celsius");
// Create some pretend data. If this wasn't an example program, we
// would have some real data to write for example, model output.
ArrayFloat.D1 lats = new ArrayFloat.D1(latDim.getLength());
ArrayFloat.D1 lons = new ArrayFloat.D1(lonDim.getLength());
int i, j;
for (i = 0; i < latDim.getLength(); i++) {
lats.set(i, START_LAT + 5.f * i);
}
for (j = 0; j < lonDim.getLength(); j++) {
lons.set(j, START_LON + 5.f * j);
}
// Create the pretend data. This will write our surface pressure and
// surface temperature data.
ArrayFloat.D4 dataTemp =
new ArrayFloat.D4(
NumberOfRecords, lvlDim.getLength(), latDim.getLength(), lonDim.getLength());
ArrayFloat.D4 dataPres =
new ArrayFloat.D4(
NumberOfRecords, lvlDim.getLength(), latDim.getLength(), lonDim.getLength());
for (int record = 0; record < NumberOfRecords; record++) {
i = 0;
for (int lvl = 0; lvl < NLVL; lvl++)
for (int lat = 0; lat < NLAT; lat++)
for (int lon = 0; lon < NLON; lon++) {
dataPres.set(record, lvl, lat, lon, SAMPLE_PRESSURE + i);
dataTemp.set(record, lvl, lat, lon, SAMPLE_TEMP + i++);
}
}
// Create the file. At this point the (empty) file will be written
// to disk
dataFile.create();
// A newly created Java integer array to be initialized to zeros.
int[] origin = new int[4];
dataFile.write("latitude", lats);
dataFile.write("longitude", lons);
dataFile.write("pressure", origin, dataPres);
dataFile.write("temperature", origin, dataTemp);
dataFile.close();
} catch (IOException e) {
e.printStackTrace(System.err);
} catch (InvalidRangeException e) {
e.printStackTrace(System.err);
} finally {
// if (dataFile != null) {
// try {
// dataFile.close();
// } catch (IOException ioe) {
// ioe.printStackTrace();
// }
// }
}
System.out.println("*** SUCCESS writing example file " + filename);
}
private NetcdfFileWriteable writeNetcdfMetadata(
NetcdfFileWriteable ncFile,
String variableName,
ArrayList<ArrayList<VariableEntry>> variableListList)
throws IOException {
int suffixInt = 1;
for (ArrayList<VariableEntry> variableList : variableListList) {
ArrayList<Dimension> dims = new ArrayList<Dimension>();
// add coordinate variables for each dimension
for (int i = 0; i < variableList.size(); i++) {
VariableEntry temp = variableList.get(i);
Dimension tempDim;
System.out.println("writing metadata for dim " + temp.getVariableName());
if (temp.isUnlimited()) {
// see if there is already an unlimited dimension in this filea,
// if so, use it. If not, add it
// if ( ncFile.hasUnlimitedDimension() ) {
if (this._unlimitedDim == null) {
tempDim = ncFile.addUnlimitedDimension(temp.getVariableName());
this._unlimitedDim = tempDim;
} else {
// tempDim = this._unlimitedDim;
dims.add(this._unlimitedDim);
continue;
}
} else {
tempDim = ncFile.addDimension(temp.getVariableName(), temp.getSize());
}
// add a coordinate variable
Dimension[] tempDimArray = {tempDim};
ncFile.addVariable(temp.getVariableName(), temp.getType(), tempDimArray);
ncFile.addVariableAttribute(temp.getVariableName(), "units", temp.getUnits());
ncFile.addVariableAttribute(temp.getVariableName(), "long_name", temp.getLongName());
dims.add(tempDim);
}
// add the main variable
System.out.println("adding variable " + (variableName + Integer.toString(suffixInt)));
ncFile.addVariable(variableName + Integer.toString(suffixInt), DataType.INT, dims);
suffixInt++;
}
/*
ArrayList<Dimension> dims = new ArrayList<Dimension>();
Dimension tempDim;
String localName = "dim";
for( int i = 0; i < dimensions.length; i++){
if ( (0 == i) && variableDim) {
tempDim = ncFile.addUnlimitedDimension("dim" + Integer.toString(i));
} else {
tempDim = ncFile.addDimension("dim" + Integer.toString(i), dimensions[i]);
}
dims.add( tempDim);
}
ncFile.addVariable(varName, dataType, dims);
*/
return ncFile;
}