Java Code Examples for ucar.ma2.Array#hasNext()

The following examples show how to use ucar.ma2.Array#hasNext() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TestSequence.java From netcdf-java with BSD 3-Clause "New" or "Revised" License

6 votes

public void testSequence() {
  String url = "http://tsds.net/tsds/test/Scalar";
  try {
    NetcdfDataset ds = NetcdfDatasets.openDataset(url);
    System.out.println(ds);
    Structure struct = (Structure) ds.findVariable("TimeSeries");
    Variable var = struct.findVariable("time");
    Array arr = var.read();
    int n = (int) arr.getSize();
    int i;
    for (i = 0; arr.hasNext() && i < n; i++)
      System.out.println(arr.nextDouble());
    if (i != n) {
      System.err.println("short sequence");
      System.exit(1);
    }
  } catch (Exception e) {
    e.printStackTrace();
  }
}

Example 2

Source File: H5headerNew.java From netcdf-java with BSD 3-Clause "New" or "Revised" License

6 votes

protected Array convertEnums(Map<Integer, String> map, DataType dataType, Array values) {
  Array result = Array.factory(DataType.STRING, values.getShape());
  IndexIterator ii = result.getIndexIterator();
  values.resetLocalIterator();
  while (values.hasNext()) {
    int ival;
    if (dataType == DataType.ENUM1)
      ival = (int) DataType.unsignedByteToShort(values.nextByte());
    else if (dataType == DataType.ENUM2)
      ival = DataType.unsignedShortToInt(values.nextShort());
    else
      ival = values.nextInt();
    String sval = map.get(ival);
    if (sval == null)
      sval = "Unknown enum value=" + ival;
    ii.setObjectNext(sval);
  }
  return result;
}

Example 3

Source File: Table.java From netcdf-java with BSD 3-Clause "New" or "Revised" License

6 votes

private void init() {
  if (startVarName == null) { // read numRecords when startVar is not known LOOK this should be deffered
    try {
      Variable v = ds.findVariable(numRecordsVarName);
      Array numRecords = v.read();
      int n = (int) numRecords.getSize();

      // construct the start variable
      this.numRecords = new int[n];
      this.startIndex = new int[n];
      int i = 0;
      int count = 0;
      while (numRecords.hasNext()) {
        this.startIndex[i] = count;
        this.numRecords[i] = numRecords.nextInt();
        count += this.numRecords[i];
        i++;
      }
      isInit = true;
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}

Example 4

Source File: Table.java From netcdf-java with BSD 3-Clause "New" or "Revised" License

6 votes

TableParentIndex(NetcdfDataset ds, TableConfig config) {
  super(ds, config);
  this.parentIndexName = config.parentIndex;

  // construct the map
  try {
    Variable rpIndex = ds.findVariable(config.parentIndex);
    Array index = rpIndex.read();

    int childIndex = 0;
    this.indexMap = new HashMap<>((int) (2 * index.getSize()));
    while (index.hasNext()) {
      int parent = index.nextInt();
      List<Integer> list = indexMap.computeIfAbsent(parent, k -> new ArrayList<>());
      list.add(childIndex);
      childIndex++;
    }
  } catch (IOException e) {
    throw new RuntimeException(e);
  }

  addNonDataVariable(config.parentIndex);
}

Example 5