Examples of ucar.nc2.ft.PointFeature

ucar.nc2.iosp.IOServiceProvider
A collection of observations at one time and location. @author caron @since Feb 29, 2008

  private VerticalCT makeWRFEtaVerticalCoordinateTransform(NetcdfDataset ds, CoordinateSystem cs) {
    if ((null == ds.findVariable("PH")) || (null == ds.findVariable("PHB")) ||
        (null == ds.findVariable("P")) || (null == ds.findVariable("PB")))
      return null;


    WRFEtaTransformBuilder builder = new WRFEtaTransformBuilder(cs);
    return (VerticalCT) builder.makeCoordinateTransform(ds, null);
  }

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  }
*/


  static private NetcdfFile acquireDODS(FileCache cache, FileFactory factory, Object hashKey,
                                        String location, int buffer_size, ucar.nc2.util.CancelTask cancelTask, Object spiObject) throws IOException {
    if (cache == null) return new DODSNetcdfFile(location, cancelTask);


    if (factory == null) factory = new DodsFactory();
    return (NetcdfFile) cache.acquire(factory, hashKey, location, buffer_size, cancelTask, spiObject);
  }

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    return (NetcdfFile) cache.acquire(factory, hashKey, location, buffer_size, cancelTask, spiObject);
  }


  static private class DodsFactory implements FileFactory {
    public NetcdfFile open(String location, int buffer_size, ucar.nc2.util.CancelTask cancelTask, Object spiObject) throws IOException {
      return new DODSNetcdfFile(location, cancelTask);
    }

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  public GridCoordSys getGridCoordSys(VariableEnhanced ve) {
    List<CoordinateSystem> csList = ve.getCoordinateSystems();
    for (CoordinateSystem cs : csList) {
      if (GridCoordSys.isGridCoordSys(null, cs, ve)) {
        return new GridCoordSys(cs, null);
      }
    }
    return null;
  }

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    List<CoordinateSystem> csList = ds.getCoordinateSystems();
    for (CoordinateSystem cs : csList) {
      Element csElem;
      if (GridCoordSys.isGridCoordSys(null, cs, null)) {
        GridCoordSys gcs = new GridCoordSys(cs, null);
        csElem = new Element("gridCoordSystem");
        csElem.setAttribute("name", cs.getName());
        csElem.setAttribute("horizX", gcs.getXHorizAxis().getFullName());
        csElem.setAttribute("horizY", gcs.getYHorizAxis().getFullName());
        if (gcs.hasVerticalAxis())
          csElem.setAttribute("vertical", gcs.getVerticalAxis().getFullName());
        if (gcs.hasTimeAxis())
          csElem.setAttribute("time", cs.getTaxis().getFullName());
      } else {
        csElem = new Element("coordSystem");
        csElem.setAttribute("name", cs.getName());
      }


      List<CoordinateTransform> coordTransforms = cs.getCoordinateTransforms();
      for (CoordinateTransform ct : coordTransforms) {
        Element ctElem = new Element("coordTransform");
        csElem.addContent(ctElem);
        ctElem.setAttribute("name", ct.getName());
        ctElem.setAttribute("type", ct.getTransformType().toString());
      }


      rootElem.addContent(csElem);
    }


    List<CoordinateTransform> coordTransforms = ds.getCoordinateTransforms();
    for (CoordinateTransform ct : coordTransforms) {
      Element ctElem = new Element("coordTransform");
      rootElem.addContent(ctElem);


      ctElem.setAttribute("name", ct.getName());
      ctElem.setAttribute("type", ct.getTransformType().toString());
      List<Parameter> params = ct.getParameters();
      for (Parameter pp : params) {
        Element ppElem = new Element("param");
        ctElem.addContent(ppElem);
        ppElem.setAttribute("name", pp.getName());
        ppElem.setAttribute("value", pp.getStringValue());
      }
    }


    for (Variable var : ds.getVariables()) {
      VariableEnhanced ve = (VariableEnhanced) var;
      if (ve instanceof CoordinateAxis) continue;
      GridCoordSys gcs = getGridCoordSys(ve);
      if (null != gcs) {
        nDataVariables++;
        Element gridElem = new Element("grid");
        rootElem.addContent(gridElem);


        gridElem.setAttribute("name", ve.getFullName());
        gridElem.setAttribute("decl", getDecl(ve));
        if (ve.getUnitsString() != null) {
          gridElem.setAttribute("units", ve.getUnitsString());
          gridElem.setAttribute("udunits", isUdunits(ve.getUnitsString()));
        }
        gridElem.setAttribute("coordSys", gcs.getName());
      }
    }


    for (Variable var : ds.getVariables()) {
      VariableEnhanced ve =  (VariableEnhanced) var;
      if (ve instanceof CoordinateAxis) continue;
      GridCoordSys gcs = getGridCoordSys(ve);
      if (null == gcs) {
        nOtherVariables++;
        Element elem = new Element("variable");
        rootElem.addContent(elem);

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    try
    {
      File dir = new File( getDiskCache().getRootDirectory() );
      File ncFile = File.createTempFile( "WCS", ".nc", dir );


      NetcdfCFWriter writer = new NetcdfCFWriter();
      writer.makeFile( ncFile.getPath(), dataset,
                       Collections.singletonList( identifier ), null, null,
  //                     Collections.singletonList( req.getCoverage() ),
  //                     req.getBoundingBox(), dateRange,
                       true, 1, 1, 1 );
      return ncFile;

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  }


  private PointFeature nextFilteredDataPoint() throws IOException {
    if (pfiter == null) return null;
    if (!pfiter.hasNext()) return null;
    PointFeature pdata = pfiter.next();


    if (filter == null)
      return pdata;


    while (!filter.filter(pdata)) {

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  private PointFeature nextFilteredDataPoint() throws IOException {
    if ( orgIter == null) return null;
    if (!orgIter.hasNext()) return null;


    PointFeature pdata = orgIter.next();
    while (!filter(pdata)) {
      if (!orgIter.hasNext()) return null;
      pdata = orgIter.next();
    }

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    }


    int count = 0;
    pointFeatureCollection.resetIteration();
    while (pointFeatureCollection.hasNext()) {
      PointFeature pointFeature = (PointFeature) pointFeatureCollection.next();
      StructureData data = pointFeature.getData();
      if (count == 0) {
        EarthLocation loc = pointFeature.getLocation(); // LOOK we dont know this until we see the obs
        String altUnits = Double.isNaN(loc.getAltitude()) ? null : "meters"; // LOOK units may be wrong
        writer = new WriterCFPointDataset(out, pfDataset.getGlobalAttributes(), altUnits);
        writer.writeHeader( dataVars, -1);
      }
      writer.writeRecord(pointFeature, data);

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     * @param args filename
     *
     * @throws IOException  problem reading file
     */
    public static void main(String[] args) throws IOException {
        IOServiceProvider mciosp = new McIDASGridServiceProvider();
        RandomAccessFile  rf     = new RandomAccessFile(args[0], "r", 2048);
        NetcdfFile ncfile = new MakeNetcdfFile(mciosp, rf, args[0], null);
    }

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