// create from a dataset public VariableBean(Variable vs) { this.vs = vs; // vs = (v instanceof VariableEnhanced) ? (VariableEnhanced) v : new VariableStandardized( v); setName(vs.getShortName()); setDescription(vs.getDescription()); setUnits(vs.getUnitsString()); setDataType(vs.getDataType().toString()); // Attribute csAtt = vs.findAttribute("_coordSystems"); // if (csAtt != null) // setCoordSys( csAtt.getStringValue()); // collect dimensions StringBuilder lens = new StringBuilder(); StringBuilder names = new StringBuilder(); java.util.List dims = vs.getDimensions(); for (int j = 0; j < dims.size(); j++) { ucar.nc2.Dimension dim = (ucar.nc2.Dimension) dims.get(j); if (j > 0) { lens.append(","); names.append(","); } String name = dim.isShared() ? dim.getName() : "anon"; names.append(name); lens.append(dim.getLength()); } setDimensions(names.toString()); setShape(lens.toString()); }
// @todo Make sure units are meters public Array getElevation(Range range) throws IOException, InvalidRangeException { List section = new ArrayList(1); section.add(range); Array a = elevVar.read(section); if (elevVarUnitsConversionFactor == 1.0) return (a); for (IndexIterator it = a.getIndexIterator(); it.hasNext(); ) { if (elevVar.getDataType() == DataType.DOUBLE) { double val = it.getDoubleNext(); it.setDoubleCurrent(val * elevVarUnitsConversionFactor); } else if (elevVar.getDataType() == DataType.FLOAT) { float val = it.getFloatNext(); it.setFloatCurrent((float) (val * elevVarUnitsConversionFactor)); } else if (elevVar.getDataType() == DataType.INT) { int val = it.getIntNext(); it.setIntCurrent((int) (val * elevVarUnitsConversionFactor)); } else if (elevVar.getDataType() == DataType.LONG) { long val = it.getLongNext(); it.setLongCurrent((long) (val * elevVarUnitsConversionFactor)); } else { throw new IllegalStateException( "Elevation variable type <" + elevVar.getDataType().toString() + "> not double, float, int, or long."); } } return (a); }
void CheckS(Variable v) throws IOException { // string // assert(null != (v = dodsfile.findVariable("types.strings.s"))); // assert v.getName().equals("types.strings.s"); assert v.getRank() == 0; assert v.getDataType() == DataType.STRING : v.getDataType(); CheckSValue(v.read()); }
void CheckUrl(Variable v) throws IOException { // url // assert(null != (v = dodsfile.findVariable("types.strings.u"))); // assert v.getName().equals("types.strings.u"); assert v.getRank() == 0; assert v.getDataType() == DataType.STRING : v.getDataType(); String str = v.readScalarString(); assert str.equals("http://www.opendap.org") || str.equals("http://www.dods.org") : str; }
void CheckD(Variable v) throws IOException { // double // assert(null != (v = dodsfile.findVariable("types.floats.f64"))); // assert v.getName().equals("types.floats.f64"); assert v.getRank() == 0; assert v.getSize() == 1; assert v.getDataType() == DataType.DOUBLE : v.getDataType(); CheckDValue(v.read()); }
void CheckF(Variable v) throws IOException { // float // assert(null != (v = dodsfile.findVariable("types.floats.f32"))); // assert v.getName().equals("types.floats.f32"); assert v.getRank() == 0; assert v.getSize() == 1; assert v.getDataType() == DataType.FLOAT : v.getDataType(); CheckFValue(v.read()); }
void CheckUint16(Variable v) throws IOException { // uint16 // assert(null != (v = dodsfile.findVariable("types.integers.ui16"))); // assert v.getName().equals("types.integers.ui16"); assert v.getRank() == 0; assert v.getSize() == 1; assert v.getDataType() == DataType.SHORT : v.getDataType(); CheckUInt16Value(v.read()); }
void CheckLong32(Variable v) throws IOException { // uint32 // assert(null != (v = dodsfile.findVariable("types.integers.ui32"))); // assert v.getName().equals("types.integers.ui32"); assert v.getRank() == 0; assert v.getSize() == 1; assert v.getDataType() == DataType.LONG : v.getDataType(); CheckLongValue(v.read()); }
private void copySome(NetcdfFileWriteable ncfile, Variable oldVar, int nelems) throws IOException { String newName = N3iosp.makeValidNetcdfObjectName(oldVar.getShortName()); int[] shape = oldVar.getShape(); int[] origin = new int[oldVar.getRank()]; int size = shape[0]; for (int i = 0; i < size; i += nelems) { origin[0] = i; int left = size - i; shape[0] = Math.min(nelems, left); Array data; try { data = oldVar.read(origin, shape); if (oldVar.getDataType() == DataType.STRING) { data = convertToChar(ncfile.findVariable(newName), data); } if (data.getSize() > 0) { // zero when record dimension = 0 ncfile.write(newName, origin, data); if (debug) System.out.println("write " + data.getSize() + " bytes"); } } catch (InvalidRangeException e) { e.printStackTrace(); throw new IOException(e.getMessage()); } } }
private void makeMultidimInner( NetcdfDataset ds, TableConfig parentTable, TableConfig childTable) { Dimension parentDim = ds.findDimension(parentTable.dimName); Dimension childDim = ds.findDimension(childTable.innerName); // divide up the variables between the parent and the child List<String> obsVars; List<Variable> vars = ds.getVariables(); List<String> parentVars = new ArrayList<>(vars.size()); obsVars = new ArrayList<>(vars.size()); for (Variable orgV : vars) { if (orgV instanceof Structure) continue; Dimension dim0 = orgV.getDimension(0); if ((dim0 != null) && dim0.equals(parentDim)) { if ((orgV.getRank() == 1) || ((orgV.getRank() == 2) && orgV.getDataType() == DataType.CHAR)) { parentVars.add(orgV.getShortName()); } else { Dimension dim1 = orgV.getDimension(1); if ((dim1 != null) && dim1.equals(childDim)) obsVars.add(orgV.getShortName()); } } } parentTable.vars = parentVars; childTable.vars = obsVars; }
/* Structure { int LAT[0]; ... int LAT[149]; } IMAGE_LAT_ARRAY(3600); type = Layout(8); type= 2 (chunked) storageSize = (1,600) dataSize=0 dataAddress=2548046 */ @Test public void testReadOneAtATime() throws java.io.IOException, InvalidRangeException { try (NetcdfFile ncfile = TestH5.openH5("IASI/IASI.h5")) { Variable dset = ncfile.findVariable("U-MARF/EPS/IASI_xxx_1C/DATA/IMAGE_LAT_ARRAY"); assert (null != dset); assert (dset.getDataType() == DataType.STRUCTURE); assert (dset.getRank() == 1); assert (dset.getSize() == 3600); Dimension d = dset.getDimension(0); assert (d.getLength() == 3600); Structure s = (Structure) dset; // read last one - chunked StructureData sd = s.readStructure(3599); assert sd.getScalarInt("LAT[0]") == 70862722; assert sd.getScalarInt("LAT[149]") == 85302263; // read one at a time for (int i = 3590; i < d.getLength(); i++) { s.readStructure(i); System.out.println(" read structure " + i); } } System.out.println("*** testReadIASI ok"); }
public void readByte2Short() throws Exception { Variable t2 = null; assert (null != (t2 = ncfileRead.findVariable("t2"))); assert (t2.getDataType() == DataType.BYTE); Attribute att = t2.findAttribute(CDM.SCALE_FACTOR); assert (null != att); assert (!att.isArray()); assert (1 == att.getLength()); assert (2 == att.getNumericValue().doubleValue()); assert (DataType.SHORT == att.getDataType()); assert (null != (t2 = dsRead.findVariable("t2"))); assert t2 instanceof VariableEnhanced; VariableDS vs = (VariableDS) t2; assert (vs.getDataType() == DataType.SHORT) : vs.getDataType(); assert (!vs.hasMissing()); Array A = vs.read(); assert (A.getElementType() == short.class) : A.getElementType(); Index ima = A.getIndex(); int[] shape = A.getShape(); int i, j; for (i = 0; i < shape[0]; i++) { for (j = 0; j < shape[1]; j++) { assert (A.getShort(ima.set(i, j)) == (2 * (i * 10 + j) + 77)); } } System.out.println("**************TestStandardVar readByte2Short"); }
/** * 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; }
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(); List<List<Ray>> groups; String shortName = v2.getShortName(); if (shortName.startsWith("Reflectivity")) groups = volScan.getReflectivityGroups(); else if (shortName.startsWith("Velocity")) groups = volScan.getVelocityGroups(); else if (shortName.startsWith("TotalPower")) groups = volScan.getTotalPowerGroups(); else if (shortName.startsWith("Width")) groups = volScan.getWidthGroups(); else if (shortName.startsWith("DiffReflectivity")) groups = volScan.getDifferentialReflectivityGroups(); else throw new IllegalStateException("Illegal variable name = " + shortName); if (section.getRank() == 2) { Range radialRange = section.getRange(0); Range gateRange = section.getRange(1); List<Ray> lli = groups.get(0); readOneScan(lli, radialRange, gateRange, ii); } else { Range scanRange = section.getRange(0); Range radialRange = section.getRange(1); Range gateRange = section.getRange(2); for (int i = scanRange.first(); i <= scanRange.last(); i += scanRange.stride()) { readOneScan(groups.get(i), radialRange, gateRange, ii); } } return data; }
public void testAggCoordVar2(NetcdfFile ncfile) { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.INT; assert time.getDimension(0) == ncfile.findDimension("time"); try { Array data = time.read(); assert (data instanceof ArrayInt); IndexIterator dataI = data.getIndexIterator(); assert dataI.getIntNext() == 0 : dataI.getIntCurrent(); assert dataI.getIntNext() == 1 : dataI.getIntCurrent(); assert dataI.getIntNext() == 2 : dataI.getIntCurrent(); } catch (IOException io) { io.printStackTrace(); assert false; } }
public void testAggCoordVar(NetcdfFile ncfile) { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.INT; assert time.getDimension(0) == ncfile.findDimension("time"); try { Array data = time.read(); assert (data instanceof ArrayInt.D1) : data.getClass().getName(); ArrayInt.D1 dataI = (ArrayInt.D1) data; assert dataI.get(0) == 0; assert dataI.get(1) == 10; assert dataI.get(2) == 99; } catch (IOException io) { io.printStackTrace(); assert false; } }
/** * Wrap the given Variable, making it into a VariableDS. Delegate data reading to the original * variable. Take all metadata from original variable. Does not share cache, iosp. * * @param g logical container, if null use orgVar's group * @param orgVar the original Variable to wrap. The original Variable is not modified. Must not be * a Structure, use StructureDS instead. * @param enhance if true, use NetcdfDataset.defaultEnhanceMode to define what enhancements are * made. Note that this can change DataType and data values. You can also call enhance() * later. If orgVar is VariableDS, then enhance is inherited from there, and this parameter is * ignored. */ public VariableDS(Group g, Variable orgVar, boolean enhance) { super(orgVar); if (g != null) this.group = g; // otherwise super() sets group; this affects the long name and the dimensions. setDimensions(getDimensionsString()); // reset the dimensions if (orgVar instanceof Structure) throw new IllegalArgumentException( "VariableDS must not wrap a Structure; name=" + orgVar.getName()); // dont share cache, iosp : all IO is delegated this.ncfile = null; this.spiObject = null; createNewCache(); this.orgVar = orgVar; this.orgDataType = orgVar.getDataType(); if (orgVar instanceof VariableDS) { VariableDS ncVarDS = (VariableDS) orgVar; this.enhanceProxy = ncVarDS.enhanceProxy; this.scaleMissingProxy = ncVarDS.scaleMissingProxy; this.enhanceMode = ncVarDS.enhanceMode; } else { this.enhanceProxy = new EnhancementsImpl(this); if (enhance) { enhance(NetcdfDataset.getDefaultEnhanceMode()); } else { this.scaleMissingProxy = new EnhanceScaleMissingImpl(); } } }
public void testAggCoordVar(NetcdfFile ncfile) { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1; assert time.getSize() == 3; assert time.getShape()[0] == 3; assert time.getDataType() == DataType.DOUBLE; assert time.getDimension(0) == ncfile.findDimension("time"); try { Array data = time.read(); assert data.getRank() == 1; assert data.getSize() == 3; assert data.getShape()[0] == 3; assert data.getElementType() == double.class; int count = 0; IndexIterator dataI = data.getIndexIterator(); while (dataI.hasNext()) { assert Misc.closeEnough(dataI.getDoubleNext(), result[count]); count++; } } catch (IOException io) { io.printStackTrace(); assert false; } }
/* Structure { int a_name; byte b_name(3); byte c_name(3); short d_name(3); int e_name(3); long f_name(3); int g_name(3); short h_name(3); int i_name(3); long j_name(3); float k_name(3); double l_name(3); } CompoundNative(15); type = Layout(8); type= 1 (contiguous) storageSize = (15,144) dataSize=0 dataAddress=2048 */ @Test public void testReadH5StructureArrayMembers() throws java.io.IOException { try (NetcdfFile ncfile = TestH5.openH5("complex/compound_native.h5")) { Variable dset = ncfile.findVariable("CompoundNative"); assert (null != dset); assert (dset.getDataType() == DataType.STRUCTURE); assert (dset.getRank() == 1); assert (dset.getSize() == 15); Dimension d = dset.getDimension(0); assert (d.getLength() == 15); Structure s = (Structure) dset; // read all with the iterator StructureDataIterator iter = s.getStructureIterator(); while (iter.hasNext()) { StructureData sd = iter.next(); for (StructureMembers.Member m : sd.getMembers()) { Array data = sd.getArray(m); NCdumpW.printArray(data, m.getName(), out, null); } } } System.out.println("*** testReadH5StructureArrayMembers ok"); }
public void testAggCoordVarScan(NetcdfFile ncfile) throws IOException { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.INT : time.getDataType(); assert time.getDimension(0) == ncfile.findDimension("time"); int count = 0; Array data = time.read(); assert (data instanceof ArrayInt); while (data.hasNext()) { int val = data.nextInt(); assert val == count * 10 : val + "!=" + count * 10; count++; } }
public void testAggCoordVar3(NetcdfFile ncfile) throws IOException { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.DOUBLE : time.getDataType(); assert time.getDimension(0) == ncfile.findDimension("time"); Array data = time.read(); assert (data instanceof ArrayDouble); IndexIterator dataI = data.getIndexIterator(); double val = dataI.getDoubleNext(); assert Misc.closeEnough(val, 0.0) : val; assert Misc.closeEnough(dataI.getDoubleNext(), 10.0) : dataI.getDoubleCurrent(); assert Misc.closeEnough(dataI.getDoubleNext(), 99.0) : dataI.getDoubleCurrent(); }
/** * Read data from a top level Variable of FLOAT data type and return a memory resident Array. * * @param index LayoutRegular object * @param v2 Variable has FLOAT data type. * @return Array of data which will be read from Variable through this call. */ public Array readFloatData(LayoutRegular index, Variable v2) throws IOException { float[] var = (float[]) (v2.read().get1DJavaArray(v2.getDataType().getPrimitiveClassType())); float[] data = new float[(int) index.getTotalNelems()]; while (index.hasNext()) { Layout.Chunk chunk = index.next(); System.arraycopy( var, (int) chunk.getSrcPos() / 4, data, (int) chunk.getDestElem(), chunk.getNelems()); } return Array.factory(data); }
private int addAttributes(opendap.dap.AttributeTable table, Variable v, Iterator iter) { int count = 0; // add attribute table for this variable while (iter.hasNext()) { Attribute att = (Attribute) iter.next(); int dods_type = DODSNetcdfFile.convertToDODSType(att.getDataType(), false); try { String attName = NcDDS.escapeName(att.getName()); if (att.isString()) { /* FIX String value = escapeAttributeStringValues(att.getStringValue()); table.appendAttribute(attName, dods_type, "\""+value+"\""); */ table.appendAttribute(attName, dods_type, att.getStringValue()); } else { // cant send signed bytes if (att.getDataType() == DataType.BYTE) { boolean signed = false; for (int i = 0; i < att.getLength(); i++) { if (att.getNumericValue(i).byteValue() < 0) signed = true; } if (signed) // promote to signed short dods_type = opendap.dap.Attribute.INT16; } for (int i = 0; i < att.getLength(); i++) table.appendAttribute(attName, dods_type, att.getNumericValue(i).toString()); } count++; } catch (Exception e) { log.error( "Error appending attribute " + att.getName() + " = " + att.getStringValue() + "\n" + e); } } // loop over variable attributes // kludgy thing to map char arrays to DODS Strings if ((v != null) && (v.getDataType().getPrimitiveClassType() == char.class)) { int rank = v.getRank(); int strlen = (rank == 0) ? 0 : v.getShape(rank - 1); Dimension dim = (rank == 0) ? null : v.getDimension(rank - 1); try { opendap.dap.AttributeTable dodsTable = table.appendContainer("DODS"); dodsTable.appendAttribute("strlen", opendap.dap.Attribute.INT32, Integer.toString(strlen)); if ((dim != null) && dim.isShared()) dodsTable.appendAttribute("dimName", opendap.dap.Attribute.STRING, dim.getName()); count++; } catch (Exception e) { log.error("Error appending attribute strlen\n" + e); } } return count; }
public void testAggCoordVarNoCoordsDir(NetcdfFile ncfile) throws IOException { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.STRING : time.getDataType(); assert time.getDimension(0) == ncfile.findDimension("time"); Array data = time.read(); assert (data instanceof ArrayObject); IndexIterator dataI = data.getIndexIterator(); String coordName = (String) dataI.getObjectNext(); assert coordName.equals("time0Dir.nc") : coordName; coordName = (String) dataI.getObjectNext(); assert coordName.equals("time1Dir.nc") : coordName; coordName = (String) dataI.getObjectNext(); assert coordName.equals("time2Dir.nc") : coordName; }
/** * Set extra information used by station obs datasets. Use stnIdVName or stnIndexVName. * * @param stnIdVName the obs variable that is used to find the station in the stnHash; may be type * int or a String (char). * @param stnDescVName optional station var containing station description */ public void setStationInfo( String stnIdVName, String stnDescVName, String stnIndexVName, StationHelper stationHelper) { this.stnIdVName = stnIdVName; this.stnDescVName = stnDescVName; this.stnIndexVName = stnIndexVName; this.stationHelper = stationHelper; if (stnIdVName != null) { Variable stationVar = ncfile.findVariable(stnIdVName); stationIdType = stationVar.getDataType(); } }
public void readShortMissing() throws Exception { Variable v = null; assert (null != (v = ncfileRead.findVariable("t4"))); assert (v.getDataType() == DataType.SHORT); // default use of missing_value assert (null != (v = dsRead.findVariable("t4"))); assert v instanceof VariableEnhanced; assert v instanceof VariableDS; VariableDS vs = (VariableDS) v; assert (vs.getDataType() == DataType.SHORT); Attribute att = vs.findAttribute(CDM.MISSING_VALUE); assert (null != att); assert (!att.isArray()); assert (1 == att.getLength()); System.out.println("missing_value = " + att.getNumericValue().shortValue()); assert (((short) -9999) == att.getNumericValue().shortValue()); assert (DataType.SHORT == att.getDataType()); assert (vs.hasMissing()); assert (vs.hasMissingValue()); assert (vs.isMissing((double) ((short) -9999))); assert (vs.isMissingValue((double) ((short) -9999))); Array A = vs.read(); Index ima = A.getIndex(); int[] shape = A.getShape(); int i, j; for (i = 0; i < shape[0]; i++) { for (j = 0; j < shape[1]; j++) { assert (A.getFloat(ima.set(i, j)) == (i * 10 + j)); } } // turn off missing data vs.setMissingDataIsMissing(false); assert (vs.getDataType() == DataType.SHORT); assert (!vs.hasMissing()); assert (vs.hasMissingValue()); assert (!vs.isMissing((double) ((short) -9999))); assert (vs.isMissingValue((double) ((short) -9999))); vs.setMissingDataIsMissing(true); assert (vs.hasMissing()); assert (vs.isMissing((double) ((short) -9999))); System.out.println("**************TestStandardVar Read readShortMissing"); }
/** * Read data from a top level Variable and return a memory resident Array. * * @param v2 Variable. It may have FLOAT/INTEGER data type. * @param section wanted section of data of Variable. The section list is a list of ucar.ma2.Range * which define the requested data subset. * @return Array of data which will be read from Variable through this call. */ public Array readData1(ucar.nc2.Variable v2, Section section) throws IOException, InvalidRangeException { // doData(raf, ncfile, varList); int[] sh = section.getShape(); Array temp = Array.factory(v2.getDataType(), sh); long pos0 = 0; // Suppose that the data has LayoutRegular LayoutRegular index = new LayoutRegular(pos0, v2.getElementSize(), v2.getShape(), section); if (v2.getShortName().startsWith("time") | v2.getShortName().startsWith("numGates")) { temp = readIntData(index, v2); } else { temp = readFloatData(index, v2); } return temp; }
private void doWrite2(NetcdfFileWriteable ncfile, String varName) throws Exception { Variable v = ncfile.findVariable(varName); int[] w = getWeights(v); int[] shape = v.getShape(); Array aa = Array.factory(v.getDataType().getPrimitiveClassType(), shape); Index ima = aa.getIndex(); for (int i = 0; i < shape[0]; i++) { for (int j = 0; j < shape[1]; j++) { aa.setDouble(ima.set(i, j), (double) (i * w[0] + j * w[1])); } } ncfile.write(varName, aa); }
private void copyAll(NetcdfFileWriteable ncfile, Variable oldVar) throws IOException { String newName = N3iosp.makeValidNetcdfObjectName(oldVar.getShortName()); Array data = oldVar.read(); try { if (oldVar.getDataType() == DataType.STRING) { data = convertToChar(ncfile.findVariable(newName), data); } if (data.getSize() > 0) // zero when record dimension = 0 ncfile.write(newName, data); } catch (InvalidRangeException e) { e.printStackTrace(); throw new IOException(e.getMessage() + " for Variable " + oldVar.getFullName()); } }
@Test public void testH5StructureDS() throws java.io.IOException { int a_name = 0; String[] b_name = new String[] { "A fight is a contract that takes two people to honor.", "A combative stance means that you've accepted the contract.", "In which case, you deserve what you get.", " -- Professor Cheng Man-ch'ing" }; String c_name = "Hello!"; // H5header.setDebugFlags(new ucar.nc2.util.DebugFlagsImpl("H5header/header")); try (NetcdfDataset ncfile = NetcdfDataset.openDataset(TestH5.testDir + "complex/compound_complex.h5")) { Variable dset = ncfile.findVariable("CompoundComplex"); assert (null != dset); assert (dset.getDataType() == DataType.STRUCTURE); assert (dset.getRank() == 1); assert (dset.getSize() == 6); Dimension d = dset.getDimension(0); assert (d.getLength() == 6); Structure s = (Structure) dset; // read all with the iterator StructureDataIterator iter = s.getStructureIterator(); while (iter.hasNext()) { StructureData sd = iter.next(); assert sd.getScalarInt("a_name") == a_name; a_name++; assert sd.getScalarString("c_name").equals(c_name); String[] results = sd.getJavaArrayString(sd.findMember("b_name")); assert results.length == b_name.length; int count = 0; for (String r : results) assert r.equals(b_name[count++]); for (StructureMembers.Member m : sd.getMembers()) { Array data = sd.getArray(m); NCdumpW.printArray(data, m.getName(), out, null); } } } System.out.println("*** testH5StructureDS ok"); }