Package ucar.nc2

Examples of ucar.nc2.Group.findVariable()

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   type = Layout(8);  type= 2 (chunked) storageSize = (3,16) dataSize=0 dataAddress=1576
   */
  public void testStructureArrayChunked() throws IOException {
    NetcdfFile ncfile = TestH5.openH5("support/cuslab.h5");

    Variable v = ncfile.findVariable("ArrayOfStructures");
    assert( null != v);
    assert( v.getDataType() == DataType.STRUCTURE);
    assert( v instanceof Structure);
    assert( v.getRank() == 1);
    assert( v.getShape()[0] == 30);
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    type = Layout(8);  type= 1 (contiguous) storageSize = (10,16) dataSize=0 dataAddress=2048
   */
   public void testStructureWithArrayMember() throws IOException {
    NetcdfFile ncfile = TestH5.openH5("support/DSwith_array_member.h5");

    Variable v = ncfile.findVariable("ArrayOfStructures");
    v.setCaching(false);
    assert( null != v);
    assert( v.getDataType() == DataType.STRUCTURE);
    assert( v instanceof Structure);
    assert( v.getRank() == 1);
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    String location = TestAll.cdmUnitTestDir + "ncml/nc/namExtract/test_agg.ncml";
    System.out.println(" TestOffAggExistingTimeUnitsChange.open "+ location);

    NetcdfFile ncfile = NetcdfDataset.openFile(location, null);

    Variable v = ncfile.findVariable("time");
    assert v != null;
    assert v.getDataType() == DataType.DOUBLE;

    String units = v.getUnitsString();
    assert units != null;
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    String location = "file:"+ TestAll.cdmUnitTestDir + "ncml/nc/narr/";
    System.out.println(" TestOffAggExistingTimeUnitsChange.testNarrGrib=\n"+ ncml);
    NetcdfFile ncfile = NcMLReader.readNcML(new StringReader(ncml), location, null);

    Variable v = ncfile.findVariable("time");
    assert v != null;
    assert v.getDataType() == DataType.DOUBLE;

    String units = v.getUnitsString();
    assert units != null;
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  public void testReadCompressedInt() throws IOException {
    // actually doesnt seem to be compressed ??

    NetcdfFile ncfile = TestH5.openH5("support/zip.h5");
    Variable dset = ncfile.findVariable("Data/Compressed_Data");
    assert dset != null;
    assert(dset.getDataType() == DataType.INT);

    assert(dset.getRank() == 2);
    assert(dset.getShape()[0] == 1000);
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  public void testReadCompressedByte() throws IOException {
    // actually doesnt seem to be compressed ??

    NetcdfFile ncfile = TestH5.openH5("msg/MSG1_8bit_HRV.H5");
    Variable dset = ncfile.findVariable("image1/image_preview");
    assert dset != null;
    assert(dset.getDataType() == DataType.BYTE);

    assert(dset.getRank() == 2);
    assert(dset.getShape()[0] == 64);
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  }

  public void testEndian() throws IOException {
    String testDir = TestN4.testDir;
    NetcdfFile ncfile = TestNC2.open(testDir+"endianTest.nc4");
    Variable v = ncfile.findVariable("TMP");
    assert v != null;
    assert v.getDataType() == DataType.FLOAT;

    Array data = v.read();
    assert data.getElementType() == float.class;
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  public void testReadArrayType() throws IOException {
    NetcdfFile ncfile = TestH5.openH5("support/SDS_array_type.h5");

    Variable dset = null;
    assert(null != (dset = ncfile.findVariable("IntArray")));
    assert(dset.getDataType() == DataType.INT);

    assert(dset.getRank() == 3);
    assert(dset.getShape()[0] == 10);
    assert(dset.getShape()[1] == 5);
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  }

  public void testVlengthVariableChunked() throws IOException {
    NetcdfFile ncfile = TestH5.openH5("support/uvlstr.h5");

    Variable v = ncfile.findVariable("Space1");
    assert (null != v);
    assert (v.getDataType() == DataType.STRING);
    assert (v.getRank() == 1);
    assert (v.getShape()[0] == 9);
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  } // */

  public void testVlengthVariable() throws IOException {
    NetcdfFile ncfile = TestH5.openH5("support/vlslab.h5");

    Variable v = ncfile.findVariable("Space1");
    assert (null != v);
    assert (v.getDataType() == DataType.STRING);
    assert (v.getRank() == 1);
    assert (v.getShape()[0] == 12);

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