/**
* Read the data for each variable passed in
*
* @param v2
* @param section
* @return output data
* @throws IOException
* @throws ucar.ma2.InvalidRangeException
*/
public Array readData(Variable v2, Section section) throws IOException, InvalidRangeException {
// subset
Object data;
Array outputData;
byte[] vdata = null;
NOWRadheader.Vinfo vinfo;
ByteBuffer bos;
List<Range> ranges = section.getRanges();
vinfo = (NOWRadheader.Vinfo) v2.getSPobject();
try {
vdata = headerParser.getData((int) vinfo.hoff);
} catch (Exception e) {
}
bos = ByteBuffer.wrap(vdata);
data = readOneScanData(bos, vinfo, v2.getShortName());
outputData = Array.factory(v2.getDataType().getPrimitiveClassType(), v2.getShape(), data);
outputData = outputData.flip(1);
// outputData = outputData.flip(2);
return (outputData.sectionNoReduce(ranges).copy());
// return outputData;
}
private void makeVariableNoCoords(
NetcdfFile ncfile, int datatype, String shortName, String longName, Variable from) {
Variable v = new Variable(ncfile, null, null, shortName);
v.setDataType(DataType.BYTE);
v.setDimensions(from.getDimensions());
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"));
Attribute fromAtt = from.findAttribute(_Coordinate.Axes);
v.addAttribute(new Attribute(_Coordinate.Axes, fromAtt));
Vgroup vgFrom = (Vgroup) from.getSPobject();
Vgroup vg = new Vgroup(datatype, vgFrom.map);
v.setSPobject(vg);
}
public Array readData(Variable v2, Section section) throws IOException, InvalidRangeException {
Vgroup vgroup = (Vgroup) v2.getSPobject();
Range scanRange = section.getRange(0);
Range radialRange = section.getRange(1);
Range gateRange = section.getRange(2);
Array data = Array.factory(v2.getDataType().getPrimitiveClassType(), section.getShape());
IndexIterator ii = data.getIndexIterator();
for (int i = scanRange.first(); i <= scanRange.last(); i += scanRange.stride()) {
Cinrad2Record[] mapScan = vgroup.map[i];
readOneScan(mapScan, radialRange, gateRange, vgroup.datatype, ii);
}
return data;
}
