Ejemplo n.º 1
0
  public void testEnhanceDefer() throws IOException {
    NetcdfDataset ncd =
        NetcdfDataset.openDataset(
            filename, EnumSet.of(NetcdfDataset.Enhance.ScaleMissing), -1, null, null);
    VariableDS enhancedVar = (VariableDS) ncd.findVariable("t1");

    NetcdfDataset ncdefer =
        NetcdfDataset.openDataset(
            filename, EnumSet.of(NetcdfDataset.Enhance.ScaleMissingDefer), -1, null, null);
    VariableDS deferVar = (VariableDS) ncdefer.findVariable("t1");

    Array data = enhancedVar.read();
    Array dataDefer = deferVar.read();

    System.out.printf("Enhanced=");
    NCdumpW.printArray(data);
    System.out.printf("%nDeferred=");
    NCdumpW.printArray(dataDefer);
    System.out.printf("%nProcessed=");

    CompareNetcdf2 nc = new CompareNetcdf2(new Formatter(System.out), false, false, true);
    assert !nc.compareData(enhancedVar.getShortName(), data, dataDefer, false);

    IndexIterator ii = dataDefer.getIndexIterator();
    while (ii.hasNext()) {
      double val = deferVar.convertScaleOffsetMissing(ii.getDoubleNext());
      ii.setDoubleCurrent(val);
    }
    NCdumpW.printArray(dataDefer);

    assert nc.compareData(enhancedVar.getShortName(), data, dataDefer, false);

    ncd.close();
    ncdefer.close();
  }
Ejemplo n.º 2
0
  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;
    }
  }
Ejemplo n.º 3
0
  // for jon blower
  private Array getEnhancedArray(VariableDS vds) throws IOException {
    Array data = vds.read();
    EnumSet<NetcdfDataset.Enhance> mode = vds.getEnhanceMode();
    if (mode.contains(NetcdfDataset.Enhance.ScaleMissing)) return data;
    if (!mode.contains(NetcdfDataset.Enhance.ScaleMissingDefer))
      throw new IllegalStateException("Must include " + NetcdfDataset.Enhance.ScaleMissingDefer);

    IndexIterator ii = data.getIndexIterator();
    while (ii.hasNext()) {
      double val = vds.convertScaleOffsetMissing(ii.getDoubleNext());
      ii.setDoubleCurrent(val);
    }
    return data;
  }
Ejemplo n.º 4
0
  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();
  }
Ejemplo n.º 5
0
  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;
  }
Ejemplo n.º 6
0
  public void testCoordVar(NetcdfFile ncfile) {

    Variable lat = ncfile.findVariable("lat");
    assert null != lat;
    assert lat.getShortName().equals("lat");
    assert lat.getRank() == 1;
    assert lat.getSize() == 3;
    assert lat.getShape()[0] == 3;
    assert lat.getDataType() == DataType.FLOAT;

    assert !lat.isUnlimited();
    assert lat.getDimension(0).equals(ncfile.findDimension("lat"));

    Attribute att = lat.findAttribute("units");
    assert null != att;
    assert !att.isArray();
    assert att.isString();
    assert att.getDataType() == DataType.STRING;
    assert att.getStringValue().equals("degrees_north");
    assert att.getNumericValue() == null;
    assert att.getNumericValue(3) == null;

    try {
      Array data = lat.read();
      assert data.getRank() == 1;
      assert data.getSize() == 3;
      assert data.getShape()[0] == 3;
      assert data.getElementType() == float.class;

      IndexIterator dataI = data.getIndexIterator();
      assert TestUtils.close(dataI.getDoubleNext(), 41.0);
      assert TestUtils.close(dataI.getDoubleNext(), 40.0);
      assert TestUtils.close(dataI.getDoubleNext(), 39.0);
    } catch (IOException io) {
    }
  }