Examples of GridDataset

ucar.nc2.dt.GridDataset
A dataset containing Grid objects. @author caron
ucar.nc2.dt.grid.GridDataset
Make a NetcdfDataset into a collection of GeoGrids with Georeferencing coordinate systems.

A variable will be made into a GeoGrid if it has a Georeferencing coordinate system, using GridCoordSys.isGridCoordSys(), and it has no extra dimensions, ie GridCoordSys.isComplete( var) is true. If it has multiple Georeferencing coordinate systems, any one that is a product set will be given preference.
Example:
```
 GridDataset gridDs = GridDataset.open (uriString); List grids = gridDs.getGrids(); for (int i=0; i<grids.size(); i++) { GeoGrid grid = (Geogrid) grids.get(i); } 
```
@author caron

Examples of ucar.nc2.dt.GridDataset

    return gds;
  }


  public GridDataset getConstantForecastDataset(Date time) throws IOException {
    checkNeeded( false);
    GridDataset gds =  fmrcDataset.getConstantForecastDataset(time);
    return gds;
  }

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Examples of ucar.nc2.dt.GridDataset

    return gds;
  }


  public GridDataset getConstantOffsetDataset(double hour) throws IOException {
    checkNeeded( false);
    GridDataset gds =  fmrcDataset.getConstantOffsetDataset(hour);
    return gds;
  }

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Examples of ucar.nc2.dt.GridDataset

     */
    public void writeGrid(String fileName, String gridName, int time,
                          int level, boolean greyScale,
                          LatLonRect pt) throws IOException {
        double          scaler;
        GridDataset     dataset = ucar.nc2.dt.grid.GridDataset.open(fileName);
        GridDatatype    grid    = dataset.findGridDatatype(gridName);
        GridCoordSystem gcs     = grid.getCoordinateSystem();
        ProjectionImpl  proj    = grid.getProjection();


        if (grid == null) {
            throw new IllegalArgumentException("No grid named " + gridName
                    + " in fileName");
        }
        if ( !gcs.isRegularSpatial()) {
            Attribute att = dataset.findGlobalAttributeIgnoreCase("datasetId");
            if(att != null && att.getStringValue().contains("DMSP")){
                writeSwathGrid(fileName, gridName,time,level, greyScale, pt);
                return;
            } else {
                throw new IllegalArgumentException(

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Examples of ucar.nc2.dt.GridDataset

   */
  public static void main(String arg[]) throws IOException {
    String defaultFilename = "C:/data/rap/fmrc.xml";
    String filename = (arg.length > 0) ? arg[0] : defaultFilename;


    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open(filename);
    GridDatatype gg = gds.findGridDatatype("T");
    GridCoordSystem gsys = gg.getCoordinateSystem();


    // gsys.getTimeAxisForRun(1);  // generate error


    CoordinateAxis1DTime rtaxis = gsys.getRunTimeAxis();

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Examples of ucar.nc2.dt.GridDataset

    public void writeSwathGrid(String fileName, String gridName, int time,
                               int level, boolean greyScale,
                               LatLonRect llr) throws IOException {


        double           scaler;
        GridDataset      dataset =
            ucar.nc2.dt.grid.GridDataset.open(fileName);
        GridDatatype     grid    = dataset.findGridDatatype(gridName);
        GridCoordSystem  gcs     = grid.getCoordinateSystem();
        ProjectionImpl   proj    = grid.getProjection();


        CoordinateAxis2D xaxis   = (CoordinateAxis2D) gcs.getXHorizAxis();
        CoordinateAxis2D yaxis   = (CoordinateAxis2D) gcs.getYHorizAxis();

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Examples of ucar.nc2.dt.GridDataset

  public TestVertical(String name) {
    super(name);
  }


  public void testOceanS() throws java.io.IOException, InvalidRangeException {
    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open(TestAll.cdmUnitTestDir + "transforms/roms_ocean_s_coordinate.nc");


    GridDatatype grid = gds.findGridDatatype("temp");
    assert grid != null;


    GridCoordSystem gcs = grid.getCoordinateSystem();
    assert gcs != null;


    VerticalCT vct = gcs.getVerticalCT();
    assert vct != null;
    assert vct.getVerticalTransformType() == VerticalCT.Type.OceanS;


    VerticalTransform vt = gcs.getVerticalTransform();
    assert vt != null;


    ArrayDouble.D3 ca = vt.getCoordinateArray(0);
    assert ca != null;
    assert ca.getRank() == 3 : ca.getRank();


    int[] shape = ca.getShape();
    for (int i = 0; i < 3; i++)
      System.out.println(" shape " + i + " = " + shape[i]);


    gds.close();
  }

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Examples of ucar.nc2.dt.GridDataset


    gds.close();
  }


  public void testOceanSigma() throws java.io.IOException, InvalidRangeException {
    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open( TestAll.cdmUnitTestDir + "conventions/cf/gomoos_cf.nc");


    GridDatatype grid = gds.findGridDatatype("temp");
    assert grid != null;


    GridCoordSystem gcs = grid.getCoordinateSystem();
    assert gcs != null;


    VerticalCT vct = gcs.getVerticalCT();
    assert vct != null;
    assert vct.getVerticalTransformType() == VerticalCT.Type.OceanSigma;


    VerticalTransform vt = gcs.getVerticalTransform();
    assert vt != null;


    ArrayDouble.D3 ca = vt.getCoordinateArray(0);
    assert ca != null;
    assert ca.getRank() == 3 : ca.getRank();


    int[] shape = ca.getShape();
    for (int i = 0; i < 3; i++)
      System.out.println(" shape " + i + " = " + shape[i]);


    gds.close();
  }

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Examples of ucar.nc2.dt.GridDataset


    gds.close();
  }


  public void testAtmSigma() throws java.io.IOException, InvalidRangeException {
    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open( TestAll.cdmUnitTestDir + "transforms/temperature.nc");


    GridDatatype grid = gds.findGridDatatype("Temperature");
    assert grid != null;


    GridCoordSystem gcs = grid.getCoordinateSystem();
    assert gcs != null;


    VerticalCT vct = gcs.getVerticalCT();
    assert vct != null;
    assert vct.getVerticalTransformType() == VerticalCT.Type.Sigma;


    VerticalTransform vt = gcs.getVerticalTransform();
    assert vt != null;


    ArrayDouble.D3 ca = vt.getCoordinateArray(0);
    assert ca != null;
    assert ca.getRank() == 3 : ca.getRank();


    int[] shape = ca.getShape();
    for (int i = 0; i < 3; i++)
      System.out.println(" shape " + i + " = " + shape[i]);


    gds.close();
  }

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Examples of ucar.nc2.dt.GridDataset


    gds.close();
  }


  public void testAtmHybrid() throws java.io.IOException, InvalidRangeException {
    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open( TestAll.cdmUnitTestDir + "conventions/cf/ccsm2.nc");


    GridDatatype grid = gds.findGridDatatype("T");
    assert grid != null;


    GridCoordSystem gcs = grid.getCoordinateSystem();
    assert gcs != null;


    VerticalCT vct = gcs.getVerticalCT();
    assert vct != null;
    assert vct.getVerticalTransformType() == VerticalCT.Type.HybridSigmaPressure : vct.getVerticalTransformType();


    VerticalTransform vt = gcs.getVerticalTransform();
    assert vt != null;


    ArrayDouble.D3 ca = vt.getCoordinateArray(0);
    assert ca != null;
    assert ca.getRank() == 3 : ca.getRank();


    int[] shape = ca.getShape();
    for (int i = 0; i < 3; i++)
      System.out.println(" shape " + i + " = " + shape[i]);


    gds.close();
  }

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Examples of ucar.nc2.dt.GridDataset


    gds.close();
  }


  public void testWrfEta() throws java.io.IOException, InvalidRangeException {
    GridDataset gds = ucar.nc2.dt.grid.GridDataset.open( TestAll.cdmUnitTestDir + "conventions/wrf/wrfout_v2_Lambert.nc");


    GridDatatype grid = gds.findGridDatatype("T");
    assert grid != null;


    GridCoordSystem gcs = grid.getCoordinateSystem();
    assert gcs != null;


    VerticalCT vct = gcs.getVerticalCT();
    assert vct != null;
    assert vct.getVerticalTransformType() == VerticalCT.Type.WRFEta : vct.getVerticalTransformType();


    VerticalTransform vt = gcs.getVerticalTransform();
    assert vt != null;


    ArrayDouble.D3 ca = vt.getCoordinateArray(0);
    assert ca != null;
    assert ca.getRank() == 3 : ca.getRank();


    int[] shape = ca.getShape();
    for (int i = 0; i < 3; i++)
      System.out.println(" shape " + i + " = " + shape[i]);


    gds.close();
  }

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