示例#1
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) {
    }
  }
示例#2
0
  public void readSlice(NetcdfFile ncfile, int[] origin, int[] shape, String name)
      throws IOException, InvalidRangeException {

    Variable v = ncfile.findVariable(name);

    Array data = v.read(origin, shape);
    assert data.getRank() == 3;
    assert data.getSize() == shape[0] * shape[1] * shape[2];
    assert data.getShape()[0] == shape[0] : data.getShape()[0] + " " + shape[0];
    assert data.getShape()[1] == shape[1];
    assert data.getShape()[2] == shape[2];
    assert data.getElementType() == double.class;

    Index tIndex = data.getIndex();
    for (int i = 0; i < shape[0]; i++)
      for (int j = 0; j < shape[1]; j++)
        for (int k = 0; k < shape[2]; k++) {
          double val = data.getDouble(tIndex.set(i, j, k));
          // System.out.println(" "+val);
          assert TestUtils.close(val, 100 * (i + origin[0]) + 10 * j + k) : val;
        }
  }
示例#3
0
  public void testReadData(NetcdfFile ncfile, String name) throws IOException {

    Variable v = ncfile.findVariable(name);
    assert null != v;
    assert v.getShortName().equals(name);
    assert v.getRank() == 3;
    assert v.getSize() == 36 : v.getSize();
    assert v.getShape()[0] == 3;
    assert v.getShape()[1] == 3;
    assert v.getShape()[2] == 4;
    assert v.getDataType() == DataType.DOUBLE;

    assert !v.isCoordinateVariable();

    assert v.getDimension(0) == ncfile.findDimension("time");
    assert v.getDimension(1) == ncfile.findDimension("lat");
    assert v.getDimension(2) == ncfile.findDimension("lon");

    Array data = v.read();
    assert data.getRank() == 3;
    assert data.getSize() == 36;
    assert data.getShape()[0] == 3;
    assert data.getShape()[1] == 3;
    assert data.getShape()[2] == 4;
    assert data.getElementType() == double.class;

    int[] shape = data.getShape();
    Index tIndex = data.getIndex();
    for (int i = 0; i < shape[0]; i++)
      for (int j = 0; j < shape[1]; j++)
        for (int k = 0; k < shape[2]; k++) {
          double val = data.getDouble(tIndex.set(i, j, k));
          // System.out.println(" "+val);
          assert TestUtils.close(val, 100 * i + 10 * j + k) : val;
        }
  }