Package ucar.nc2.dataset

Examples of ucar.nc2.dataset.CoordinateSystem

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  private static void mergeOverwriteDataType( ThreddsMetadataBuilder first,
                                              ThreddsMetadataBuilder second,
                                              ThreddsMetadataBuilder mergedThreddsMetadata )
  {
    FeatureType dataType = second.getDataType() != null ? second.getDataType() : first.getDataType();
    if ( dataType != null )
      mergedThreddsMetadata.setDataType( dataType );
  }
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          }

        } else if (elem.getName().equals("typedDatasetFactory")) {
          String typeName = elem.getAttributeValue("datatype");
          String className = elem.getAttributeValue("class");
          FeatureType datatype = FeatureType.valueOf(typeName.toUpperCase());
          if (null == datatype) {
            errlog.append("TypedDatasetFactory "+className+" unknown datatype= "+typeName+"\n");
            continue;
          }
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   * @param nt assign coordinates to this table.
   * @param ds look in this dataset's "Best" coordinate system. If no CoordSystem, try list of coordinate axes
   */
  static public void findCoords(TableConfig nt, NetcdfDataset ds) {

    CoordinateSystem use = findBestCoordinateSystem(ds);
    if (use == null)
      findCoords(nt, ds.getCoordinateAxes());
    else
      findCoords(nt, use.getCoordinateAxes());
  }
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    }
  }

  static public void findCoordWithDimension(TableConfig nt, NetcdfDataset ds, Dimension outer) {

    CoordinateSystem use = findBestCoordinateSystem(ds);
    if (use == null) return;

    for (CoordinateAxis axis : use.getCoordinateAxes()) {
      if (!outer.equals(axis.getDimension(0))) continue;

      if (axis.getAxisType() == AxisType.Lat)
        nt.lat = axis.getShortName();
      else if (axis.getAxisType() == AxisType.Lon)
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   * @param ds look in this dataset's "Best" coordinate system.
   * @param atype look for this type of CoordinateAxis. takes the first one it finds.
   * @return the found CoordinateAxis, or null if none
   */
  static public CoordinateAxis findCoordByType(NetcdfDataset ds, AxisType atype) {
    CoordinateSystem use = findBestCoordinateSystem(ds);
    if (use != null) {
      for (CoordinateAxis axis : use.getCoordinateAxes()) {
        if (axis.getAxisType() == atype)
          return axis;
      }
    }

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   * @param atype look for this type of CoordinateAxis.
   * @param p match this predicate
   * @return the found CoordinateAxis, or null if none
   */
  static public CoordinateAxis findCoordByType(NetcdfDataset ds, AxisType atype, Predicate p) {
    CoordinateSystem use = findBestCoordinateSystem(ds);
    if (use == null) return null;

    // try the "best" cs
    for (CoordinateAxis axis : use.getCoordinateAxes()) {
      if (axis.getAxisType() == atype)
        if (p.match(axis)) return axis;
    }

    // try all the axes
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   * @param ds look in this dataset
   * @return CoordinateSystem or null if none
   */
  static private CoordinateSystem findBestCoordinateSystem(NetcdfDataset ds) {
        // find coordinate system with highest rank (largest number of axes)
    CoordinateSystem use = null;
    for (CoordinateSystem cs : ds.getCoordinateSystems()) {
      if (use == null) use = cs;
      else if (cs.getCoordinateAxes().size() > use.getCoordinateAxes().size())
        use = cs;
    }
    return use;
  }
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    public String getCoordMap() {
      return coordMap;
    }

    public void setCoordMap(java.util.List<CoordinateSystem> csysList) {
      CoordinateSystem use = null;
      for (CoordinateSystem csys : csysList) {
        if (use == null) use = csys;
        else if (csys.getCoordinateAxes().size() > use.getCoordinateAxes().size())
          use = csys;
      }
      coordMap = (use == null) ? "" : "f:D(" + use.getRankDomain() + ")->R(" + use.getRankRange() + ")";
    }
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    // this call must be thread safe - done by implementation
    return useFactory.open(null, ncd, analysis, task, errlog);
  }

  static private boolean isGrid(java.util.List<CoordinateSystem> csysList) {
    CoordinateSystem use = null;
    for (CoordinateSystem csys : csysList) {
      if (use == null) use = csys;
      else if (csys.getCoordinateAxes().size() > use.getCoordinateAxes().size())
        use = csys;
    }

    if (use == null) return false;
    CoordinateAxis lat = use.getLatAxis();
    CoordinateAxis lon = use.getLonAxis();
    if ((lat != null) && (lat.getSize() <= 1)) return false; // COARDS singletons
    if ((lon != null) && (lon.getSize() <= 1)) return false;

    // hueristics - cant say i like this, multidim point features could eaily violate
    return (use.getRankDomain() > 2) && (use.getRankDomain() <= use.getRankRange());
  }
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                        }

                        // COVERAGE NAME
                        // Add the accepted variable to the list of coverages name
                        final Name coverageName = getCoverageName(varName);
                        final CoordinateSystem cs = NetCDFCRSUtilities.getCoordinateSystem(variable);

                        final SimpleFeatureType indexSchema = getIndexSchema(coverageName, cs);
                        // get variable adapter which maps to a coverage in the end
                        final VariableAdapter vaAdapter = getCoverageDescriptor(coverageName);
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