public List<Attribute> getAttributes() {
if (atts == null) atts = new ArrayList<Attribute>(2);
if (pov.getDesc() != null) atts.add(new Attribute("long_name", pov.getDesc()));
if (pov.getUnits() != null) atts.add(new Attribute("units", pov.getUnits()));
return atts;
}
public List<Dimension> getDimensions() {
if (pov.getLen() > 1) {
List<Dimension> dims = new ArrayList<Dimension>(1);
String suffix =
(pov.getDataType() == DataType.STRING) || (pov.getDataType() == DataType.CHAR)
? "_strlen"
: "_len";
dims.add(new Dimension(pov.getName() + suffix, pov.getLen(), false, false, false));
return dims;
} else return new ArrayList<Dimension>(0);
}
/**
* write data from a ucar.nc2.dt.PointObsDataset into CF point format.
*
* @param pobsDataset rewrite data from here
* @param fileOut write to tehis netcdf-3 file
* @throws IOException on read/write error
*/
public static void writePointObsDataset(PointObsDataset pobsDataset, String fileOut)
throws IOException {
// see if we have an altitude
String altUnits = null;
DataIterator iterOne = pobsDataset.getDataIterator(-1);
while (iterOne.hasNext()) {
PointObsDatatype pobsData = (PointObsDatatype) iterOne.nextData();
ucar.unidata.geoloc.EarthLocation loc = pobsData.getLocation();
altUnits = Double.isNaN(loc.getAltitude()) ? null : "meters";
break;
}
List<VariableSimpleIF> vars = pobsDataset.getDataVariables();
List<PointObVar> nvars = new ArrayList<PointObVar>(vars.size());
// put vars in order
for (VariableSimpleIF v : vars) {
if (v.getDataType().isNumeric()) nvars.add(new PointObVar(v));
}
int ndoubles = vars.size();
double[] dvals = new double[ndoubles];
for (VariableSimpleIF v : vars) {
if (v.getDataType().isString()) nvars.add(new PointObVar(v));
}
String[] svals = new String[vars.size() - ndoubles];
FileOutputStream fos = new FileOutputStream(fileOut);
DataOutputStream out = new DataOutputStream(fos);
CFPointObWriter writer =
new CFPointObWriter(out, pobsDataset.getGlobalAttributes(), altUnits, nvars, -1);
DataIterator iter = pobsDataset.getDataIterator(1000 * 1000);
while (iter.hasNext()) {
PointObsDatatype pobsData = (PointObsDatatype) iter.nextData();
StructureData sdata = pobsData.getData();
int dcount = 0;
int scount = 0;
for (PointObVar v : nvars) {
if (v.getDataType().isNumeric()) {
Array data = sdata.getArray(v.getName());
data.resetLocalIterator();
if (data.hasNext()) dvals[dcount++] = data.nextDouble();
} else if (v.getDataType().isString()) {
ArrayChar data = (ArrayChar) sdata.getArray(v.getName());
svals[scount++] = data.getString();
}
}
ucar.unidata.geoloc.EarthLocation loc = pobsData.getLocation();
writer.addPoint(
loc.getLatitude(),
loc.getLongitude(),
loc.getAltitude(),
pobsData.getObservationTimeAsDate(),
dvals,
svals);
}
writer.finish();
}
public DataType getDataType() {
return (pov.getDataType() == DataType.STRING) ? DataType.CHAR : pov.getDataType();
}
public int[] getShape() {
return (pov.getLen() > 1) ? new int[] {pov.getLen()} : new int[0];
}
public int getRank() {
return (pov.getLen() > 1) ? 1 : 0;
}
public String getUnitsString() {
return pov.getUnits();
}
public String getDescription() {
return pov.getDesc();
}
public String getShortName() {
return pov.getName();
}